First, the timely selection of retention, raise enough mother stem, classification management
The year transplanted asparagus plants, each root plate to retain 10 to 15 mother stem (not clear the garden, only to cut off the weak and yellowish branches); more than two years of retention to raise the number of mother stem depending on the year of asparagus planting and the growth of the field. Field growth of healthy without pests and diseases generally do not need to carry out the second stay stem, only need to strengthen the plant and water and fertilizer management. Field plant diseases and pests are serious, especially the stem blight disease is serious need to carry out the second stay stems, fall hair asparagus generally in September began to stay mother stems. Specific retention time, to the whole field shoots out of the ground neatly after the selection of fine weather.
Second, thoroughly clear the garden, clear the germs
For the need to stay in the second stem of the shoot field, asparagus harvest is over, we must clear the garden in a timely manner, to stay in the mother stem, so as not to affect the fall hair. Generally around the middle of September, choose a sunny day to cut all the mother stems on the ground, together with weeds transported out of the field to a place far away from the asparagus land centralized burned or buried, the soil around the root plate peeled open, let the sun 1 ~ 2 days, the root plate and the surrounding soil disinfection and sterilization, reduce the base of the disease, in order to protect the growth of young stems are not endangered.
Third, reapply autumn fertilizer, promote stem vigorous development
Re-applied autumn hair rejuvenation fertilizer, is conducive to promoting the autumn stem vigorous development, expanding the plant photosynthesis, accumulation of more nutrients for the next year to lay a material foundation for the production of abundant. Autumn fertilizer to organic fertilizer-based, required to be applied in the evening or morning spray in the asparagus stems and leaves, in order to enhance the plant, prolong the green period, the accumulation of more nutrients. And timely spraying of strong stem spirit to make the plant stem thick, lush plants. At the same time, it can enhance the ability to resist disasters, reduce the amount of pesticides and fertilizers, and reduce the residual poison. At the same time to strengthen the integrated control of pests and diseases, and spray the new high fat film to enhance the control effect.
Question 2: When to sow asparagus Suggestions Baidu asparagus planting, which has detailed instructions Oh.
First, seed treatment
Before sowing with 25 degrees -30 degrees of warm water soak 3-5 days, change the water 1-2 times a day, to be the seeds to absorb enough water to fish out, mixed with fine sand or vermiculite, mounted in containers, covered with a wet towel, placed in 25-30 degrees of germination, turning 2 times a day, after 5-8 days of whiteness can be sown.
Second, seedling
Family pots, small garden planting friends, you can use peat soil or seedling soil plus seedling tray, seedling block plus seedling box method of seedling, mulch thickness is about 2-3 cm. Seedlings are best at a temperature of 25-30 degrees.
In agricultural production, the following methods
1, seedbed preparation: seedbed should choose fertile loose sandy loam, per mu seedbed with 2500-3000 kg of rotted farmyard manure, 20 kg of diammonium phosphate, 15 kg of potash, plowing into the soil after the fine preparation of beds, beds 1.3-1.5 meters wide. Sowing is done in longitudinal beds with horizontal furrows, row spacing of 20-30 cm, plant spacing of 7-10 cm, with an eyedropper, sowing a seed in each eye, covering the soil with 2.5 cm, and then covering with thin grass to increase the temperature and heat preservation. Sowing time in late April to early May (ground temperature stabilization through 10 ℃ is appropriate).
2, greenhouse nursery: ① nutrient soil preparation, 30% of rotted farmyard manure, 30% of charcoal, 20% of the old furnace ash, 20% of the farmland soil (no pesticide residues) per kilogram of nutrient soil with 50 grams of diammonium phosphate. ② nutrient bowl (8x12 cm) seedlings, each bowl body sowing a seed, sowing depth of 2 cm, mulch 2 cm, watering. ③ temperature and humidity management, asparagus germination suitable temperature 25 degrees -28 degrees, 25 degrees after the emergence of seedlings, the highest not more than 30 degrees, the lowest temperature is not less than 8 degrees, the soil to maintain a moist state is appropriate. Seedling root system is weak, drought timely watering, timely weeding, 7-10 days before planting, the beginning of large ventilation refining, so that it adapts to the external natural environment, to achieve the healthy seedling standard, there are more than 3 aboveground stems, underground storage roots 5-7.
Third, planting
1, select the ground. Choose a loose soil with good ventilation, high terrain, good drainage, deep soil, rich in organic matter, sandy loam, PH value 5.8-6.7 is appropriate, the previous crop should not be planted carrots, beets.
2, land preparation and fertilization, deep turning 20-25 cm ridges, per mu of rotted farmyard manure 3000 kg, plus 25 kg of compound fertilizer as a base fertilizer, . Monopoly width 1.2-1.4 meters.
3, planting method. Plant spacing 30-40 cm, with a shovel to dig planting ditch, 30 cm deep, 30-40 cm wide, ditch mu Shi three yuan compound fertilizer 25 kg plus organic fertilizer 1500 kg, into the ditch mixed evenly, and then sprinkled into the 10 cm thick topsoil, the center of the ditch is slightly high, the grading of bamboo shoots into the ditch, large strong seedlings per hole a plant, weak seedlings per hole two plants. Stretch the root system around, the shoots along the ditch in the same direction, in a straight line, easy to manage the soil and harvesting. One hand holding the seedling body, first cover a small amount of soil and compaction, and then cover the fine soil 4-5 cm, watering, water seeped down after the cover soil 1-2 cm, to prevent the slate and water evaporation, transplanted 3-4 days after the daily timely seedling replanting to prevent the lack of seedlings.
Fourth, the management of planting
15 days after planting a plowing and weeding, loosening the soil, aeration and moisture conservation, soil moisture to maintain 60% -70% of the drought watering in moderation, the rainy season should be dug drainage ditch, to prevent the storage of water rotten roots.
Fifth, the second year of planting and later bamboo shoots
1, in order to early market in early April, according to the ridge buckle shed, arch height of 30 cm, 40-50 cm wide, covered with film, bamboo shoots after the shed temperature of 25 degrees appropriate, more than 30 degrees in time to ventilate and cool down the outside world temperature reaches 20 degrees, you can remove the film, the bamboo shoots generally 20-25 cm in height to start harvesting.
2, harvesting time, generally in the middle of May to start harvesting, and later the same year. Green asparagus requires deep green color, tender, neat, shoot tip scales hold together tightly without losing, shoots straight without bending, no deformity, no insect erosion, harvesting time in the morning 9-11 am is appropriate.
3, harvesting method, with a special stainless steel knife, neatly cut off the young stems, stems do not leave high stubble, put in the basket with a wet towel cover, placed in the shade, to prevent running water aging. The growth of too thin, curved, deformed, stumps, weak branches of diseased plants should be cut off in a timely manner, leaving 1-2 strong stems for photosynthesis per plant, when its height reaches 70 centimeters in time to remove the heart, control plant height.
4, fertilization, germination fertilizer, spring combined with ploughing, can be 30-50 cm from the plant in a ditch, per mu of three yuan compound fertilizer 20 kg. Long shoots period can be fertilized once a month, mu Shi San ...... >>
Question 3: Is there a seasonal requirement for planting asparagus? Aloe vera likes to grow in well-drained, not easy to slough loose soil. General soil can be mixed with some sand and gravel ash, such as can be added to rotting leaves grass ash and other better. Poorly drained and aerated soil can cause root respiration to be impeded, rotting and necrosis, but too much sandy soil often results in the loss of water and nutrients, so that Aloe vera's growth is poor.
Aloe is afraid of the cold. If it is below 0°C, it will freeze. Stop growing at about 5 ℃, it grows the most suitable temperature for 15 ℃ ~ 35 ℃, humidity is 45% ~ 85%. The use of greenhouse insulation cultivation will solve the overwintering problem of large-scale planting of aloe vera in the northern region. Aloe vera, like all plants, needs water, but is most afraid of waterlogging. In the rainy and humid season or poor drainage is easy to leaf shriveling branch root rot to death. Aloe vera grows fastest at about 15 ℃ ~ 35 ℃, our country from March to October, most of the regions are in line with this temperature. During this period, we should strengthen the management, loosen the soil many times to weed, can promote soil aeration, accelerate the transformation of soil nutrients, promote the development of the root system, improve disease resistance, to achieve rapid and healthy growth.
How to grow Aloe Vera
(-) Introduction
Aloe Vera is a perennial succulent plant of the lily family, with more than 500 species. Aloe vera shape varies greatly, thousands of forms, flower color, leaf type has its own characteristics, can be suitable for a variety of different cultivation purposes, loved by the people. Aloe vera's English name ALOE, from *** ALLOEH, which means "bitter taste". Some species in the genus Aloe Vera have a peculiar shape, thick leaves, with medical, beauty, health care and other functions. Aloe vera has a wide range of medicinal uses, known as "do not need a doctor" plant, people have long known that it can be used as a laxative and gastrointestinal drugs, and at the same time, for everyday injuries, such as burns, cuts, etc., is the most suitable to be used to do the emergency treatment of medicines, for a long time, Aloe vera has always been a popular folk favorite and relied on the family of regular medicines.
(B) Aloe vera potting technology
1, the preparation of aloe vera potting soil common natural materials
1) humus: humus is commonly used through the collection of withered leaves and leaves through the heap of decomposition, from the flower and bird store can also be purchased from the rich organic matter of humus.
2) peat soil: also known as peat soil, peat, rich in nitrogen, bird store can also be purchased.
3) wood chips soil: strong water retention, poor permeability, neutral. The use of wood chips formulated culture soil, the effect is good, the root group is developed, vigorous growth, the texture is also lighter.
2, selection of pots, pots and pots
1) Selection of pots: pots are extremely important appliances in the aloe vera potted plants, but also the most basic appliances. (Different types of pots are: clay pots, alabaster pots, porcelain pots, plastic pots.)
2) POTTING: The process of removing aloe vera from the ground or seedling containers into pots is called potting, and the specific process is as follows:
Table 1 Two steps to potting
Before potting Put a piece of broken tile at the bottom of the pot, and then fill in the potting soil.
When potting, put the seedling in the center of the pot, let the root system spread, then add soil and try to hold the seedling upright. Finally, slowly water the pot thoroughly and put it in the half-shade.
(3) potting: Aloe vera is very strong, through a period of growth, aloe vera root system will be full of pots, potting soil is getting less and less, will seriously affect the further growth of aloe vera plant, this time you need to aloe vera root mass out of the original pots, replacing some of the new nutrient soil, replaced with a larger pot, which is to change pots. The time to change pots, to the spring of every year in April ----5 month and fall in September ----10 month is most suitable. The specific process is as follows:
Table II Changing pots duo
Changing pots small pots: first pots of aloe vera plant head down, with one hand to hold the potting soil, the other palm beat the outer wall of the pot, the potting soil and the wall of the pot automatically separated, and then even with the soil with the aloe vera plant together into a larger pot.
Larger pots: one hand can not hold up, the large pot with aloe vera plant in the soft soil, rolling back and forth, then, one person stick to the aloe vera, the other person to remove the old pots, and then move the whole mass of soil with aloe vera plant to a larger pot.
3, management and maintenance
1) Watering: Aloe vera is relatively drought-resistant, is a suitable potted foliage plants, in general, ten days and a half months without watering, the problem is not too big, although it affects the normal amount of Aloe vera growth, but will not cause drought death. In contrast, due to excessive watering, so that the potting soil for a long time waterlogged, aloe vera root system due to insufficient oxygen and stunted, and finally blackened necrosis and cause rotten heart death.
2) Observation: the close relationship between different seasons and the watering of potted aloe vera.
3) Record: the following table:
Season temperature ...... >>
Question 4: What is the best month to plant asparagus? Asparagus if open air, April and May seedlings, July and August planting. If it is a greenhouse, you can also raise seedlings in August and September and plant them in October.
Question 5: What season is asparagus planted? If the asparagus is open-air, seedlings can be raised in April or May and planted in July or August. If it is a greenhouse, it can also be sea nursery in August and September, and planted in October. This is in the Hangzhou area.
Question 6: How to plant asparagus Cultivation points of asparagus are as follows:
First, choose the best varieties
Asparagus is a perennial rooted herbaceous plant, adaptable, varieties are more. Generally can choose UC800 new varieties, manifested in early budding, fast growth, young stem thickness, head scales are not easy to head, color and lustre green, good commercialization, high yield, the plant is a dwarf type, disease resistance, resistance to collapse, is a green, white shoots dual-use varieties, is the current more ideal production species.
Second, the nutrient bowl to cultivate strong seedlings
The use of nutrient bowl nursery, is conducive to improving the seedling rate, cultivate strong seedlings, transplanting plant injury is light, is conducive to strong seedling early development, to achieve the timely planting, the purpose of the early yield.
⒈ adequate nutrition bowl: first choose a high level of fertility of loose sandy loam as a seedbed, seedbed width 1.3-1.5 meters, 10-15 cm deep. Before making bowl each cubic nutrient soil should be applied to well rotted chicken manure 30-40 pounds, 2 pounds of phosphorus fertilizer, 10 pounds of grass ash, fully mixed and then hit the bowl. Mantle diameter of more than 8 centimeters, mantle height of 10 centimeters, each mu of the field needs to prepare 2500 mantles.
⒉浸种催芽: asparagus seed shell thick and lipids, water absorption is slow. First of all, use 50% carbendazim 300-500 times solution to soak the seeds for 24 hours, and then put into 25-30 degrees warm water to soak the seeds for 2-3 days, and replace the new water 2-3 times a day. After soaking the seeds, wrap them in clean gauze and place them in 25-30 degrees to germinate, and during the germination period, water them 1-2 times a day with warm water of about 25 degrees. Seeds can be sown when they are white. Before sowing the nutrient bowl watering, each bowl of a grain, after sowing covered with fine soil 2 cm thick. Then sprinkle poisonous bait to prevent underground pests. Finally, the bed surface is paved with film, and the bed is covered with a bowshed to implement double film cover.
Singing Seedbed Management: Seedbed management should be centered on regulating temperature and humidity, cultivating strong seedlings, and preventing diseases and insects. The bed temperature is 20-30 degrees during the day and not less than 12 degrees at night before the seedling emerges. The first 70% of seedlings out of the ground to remove the pavement film and gradually ventilated seedlings. When the seedlings are about 20 centimeters high, you can take the method of ventilation without uncovering the film, so that the seedlings adapt to the external environment. Keep the seedbed moist during this period. Seedlings should be supplemented with seedling fertilizer, fertilizer and water combination. Timely removal of weeds in the seedbed, found aphids and other hazards timely spray control.
Third, soil selection and planting
Asparagus is suitable for loose and fertile soil, good air permeability, deep soil, organic matter rich sandy loam, is conducive to the development of the root system and the tender stems of the high quality and high yield. Too much pH and heavy clay silt are not suitable for asparagus growth.
Asparagus is a perennial crop, once planted, the land can not be fully plowed again. Therefore, before planting, combined with deep plowing, mu Shi organic fertilizer 3-4 square, 100 kg of compound fertilizer. After plowing and harrowing, good field irrigation and drainage projects, north and south grain line excavation planting ditch. Row spacing 1.2-1.5 meters, ditch width 40-50 cm, 30-40 cm deep. Before transplanting the ditch mu fertilizer 100 kg, 80 kg of cake fertilizer, organic fertilizer 2-3 square. Uniformly applied to the ditch and mixed evenly with the backfill soil. Transplanting planting ditch 10 cm from the ground is appropriate. Every 25-30 cm planting a plant, mu planting 1500-2000 holes. Do the grading while picking up seedlings, planting, watering, mulching and other operations are completed at once. Big strong seedlings planted one plant per hole, weak seedlings planted two plants per hole, strong and weak seedlings separate planting. Planting should be oriented planting, that is, the underground stem bearing the end of the scale buds should be along the ditch in the same direction, rows into a straight line, to facilitate the future cultivation of bamboo shoots. Seedling survival after the new stem out, to gradually fill in the planting ditch in stages.
Fourth, field management
must be planted that year
asparagus should be planted to pay close attention to the root of the plant, and vigorously promote the autumn hair as the core of the field management work, in order to achieve the purpose of the early fast-growing and productive. After planting because the plant is short, should be timely plowing and weeding. If the weather is dry and early, watering should be timely, flood season should be flooded in a timely manner, to prevent the field water composting dead seedlings. According to the seedling situation supplementary seedling fertilizer 20-30 pounds of urea to promote balanced growth. After entering August, asparagus entered the autumn growth stage. Should be heavy autumn fertilizer, vigorously promote the asparagus in 8, 9, 10 three months of rapid growth, early next year to lay the foundation for abundant production. Generally mu Shi organic fertilizer 2-3 square, compound fertilizer 100 kg, urea 20 kg. In 40 centimeters from the plant open furrow strip. At the same time, pay attention to the control of pests and diseases. After winter, the above ground part of the asparagus began to wither, and its plant nutrition to the underground root transfer, favorable to the strong roots of the spring development of high yield. The end of winter and early spring in February, should be thoroughly cleaned up above ground plants, reduce the source of disease germs.
Second planting the second year and the subsequent year of bamboo shoots
The second year and the subsequent year of bamboo shoots, should focus on doing a good job in the scientific transportation of three fertilizers, stay stems, timely centering and other comprehensive control of disease ...... >>
Question 7: What do I need to pay attention to in asparagus planting? China asparagus trading network: asparagus, alias stone diao cypress, longbeard, lily family asparagus genus, perennial rooted herbaceous plants. Asparagus to young stems for food, nutrient-rich, crisp texture, fragrant and delicious, can be eaten fresh, can also be processed for canning, is a high-grade fine vegetables, is also one of the world's top ten famous dishes. It is rich in vitamins, minerals, the same also contains asparagine and aspartic acid, as well as Yunxiang glycosides, folic acid, nucleic acid and other substances, regular consumption of asparagus on heart disease, high blood pressure, cystitis, diabetes, leukemia has a certain efficacy, and can inhibit the development of cancer cells, known as the health of the anti-cancer vegetables.
First, botanical characteristics
Although perennial asparagus, but on the ground stems and leaves every winter low-temperature frost that is dead, to the underground rhizome overwintering rest eyes, to the following year, March-April temperature rise and then by the underground pumping new stems, the new pumping young stems that are asparagus, good management, the harvest period can be up to 10 years or more.
Second, the requirements of environmental conditions
1. Temperature
Asparagus has a wide range of adaptability to temperature, the appropriate temperature for seed germination is 25-30 ℃, the optimal temperature for nutritional growth is 20-30 ℃, 15 ℃ below the growth of slow, young stems occur less, more than 30 ℃, the outer skin of the young stems are easy to fibrous, the tip of the bamboo shoots are easy to spread, poor quality; more than 35 ℃. Stop growing.
2. Light
Asparagus is a light-loving plant, requires strong light, sufficient sunshine, flourishing leaves, photosynthesis and temperature have a close relationship. The high temperature season is unfavorable to the growth of asparagus, and the long-term rainy season also has an impact on asparagus yield.
3. Soil
Asparagus is a deep-rooted role, and the young stems need to cultivate the soil shade, should be selected deep soil, loose and fertile, rich in organic matter sandy loam. pH 5.8-6.5 best.
Third, cultivation techniques
1. seeding
① seeding period: spring March-April, fall August-September.
② Seed treatment
The seeds are put into 50% carbendazim or 70% Kitobuzhin 400 times solution, the water temperature is maintained at 25-30%, sterilized for 24 hours, and then panned with water, the seeds are placed in warm water at about 30 ℃ soaked for 2-3 days. Things seeds fully absorb water, and then wrapped in gauze or towels placed in a warm box or warm place to germinate, during which time it is necessary to spray water or rinse frequently, 2-3 days seed breaks white can be sown.
③ Seedbed preparation
Seedbed to well-drained, loose and breathable loam or sandy loam is appropriate, the bottom fertilizer according to the seedbed per mu of high-quality farmyard manure 1500-200kg, urea 10kg, calcium 7kg, potassium sulfate 6kg, evenly sprinkled, and then turned into the soil layer and soil mix.
④ Sowing method
Spreading about 10kg of seed per acre, spot sowing and strip sowing about 1kg of seed per acre, after sowing with straw or pine wool to cover the bed, and then evenly watered with a spray can, 15-20 days after sowing to start seedlings.
⑤ Seedbed management
80% of the seeds out of the soil can be successively uncovered cover, pay attention to the light washing water, weed chasing fertilizer, found that the underground pest control in a timely manner.
⑥ Split Seedling False Planting When the seedlings are about 10cm high.
2, planting
① Selection of digging ditch
planting should be selected windward and sunny, the water table is not high, drainage and irrigation convenient loam or sandy loam. Turning digging sunfa, ripening the soil, and then according to the 1.5m row spacing dug planting ditch, ditch depth 50cm, ditch on the width of 40cm, under the width of 50cm. asparagus should be heavy bottom fertilizer, the first in the ditch filled with topsoil of about 10cm, and then every week to apply the monthly machine fertilizer 4000-5000kg, 150-200kg of composite fertilizer or 100-150kg of oil withered, 50kg of calcium, 15kg of potassium sulphate, Furadan 2kg to prevent underground pests, mixed well, and then backfill the topsoil layer are 20cm, mixed and stepped solid. Finally, the topsoil backfill into the ditch, but the surface of the ditch still need to be lower than the bed about 10cm or so.
②. Planting period and density
Spring sown seedlings are planted in May-June, fall sown seedlings are planted in March-April of the following year. The white asparagus row spacing of 1.6-1.8m, plant spacing of 30-35cm, 1000-1200 per mu, green asparagus row spacing of 1.4-1.5m, plant spacing of 20-25cm.
③ will be selected asparagus seedlings stem and leaves cut off part of the leaves, leaving 20 cm can be, according to the determined spacing of the root group will be pulled apart, so that it is to the surroundings of the diagonal downward stretch, mulch once can not be too deep into the soil. ...... >>
Question 8: What time is appropriate for asparagus planting in the courtyard Open-air nursery seedlings can be sown in early April to early August, small arched greenhouse nursery seedlings can be advanced in early March.
(1) seedling time: open ground seedling can be sown in early April to early August, small arched greenhouse seedling can be advanced in early March. (2) seedling land selection: seedling land should choose fertile soil, good permeability, drainage and irrigation conditions better sandy soil, to choose less weeds, especially perennial weeds less plots. (3) Seed treatment: asparagus seed skin is thick, with a thick layer of wax, not easy to absorb water. Before sowing, the seeds must be soaked to promote germination, pharmaceutical treatment before sowing. (4) sowing: to be about 10% of the seed germination can be sown. Before sowing, the nursery land should be fully fertilized, make a flat bed of 1.1 meters wide, take the way of granular sowing, the depth of sowing according to the temperature, sowing density of 10 cm × 10 cm.
Question 9: How long does it take to grow asparagus to have a harvest Details See the link below... baike.baidu/view/37776
Question 10: How to plant asparagus A, choose the best varieties Currently suitable for planting in our region are Mary Washington, Mary Washington 500, Mary Washington 500W, California 72 and other varieties, these varieties of resistance to adversity, adaptability, high yield and quality. Second, the cultivation of robust seedlings 1. seedling selection seedbed requires good drainage and ventilation of fertile sandy loam. 5000 kg of soil fertilizer per mu, 20 kg of urea, 5 kg of calcium superphosphate, 12.5 kg of potassium nitrate, and then with the right amount of lime to disinfect the soil, reduce pests and diseases. 2. Seed treatment With 50 grams of carbendazim to 12.5 kg of water, 5 kg of seeds, after 24 hours of fishing, rinsing, and then soak the seeds in water or 25 ~ 30 ℃ warm water for two days, change the water 1 ~ 2 times a day, and then fish out to germinate, dew white sowing. 3. Sowing Spring and fall can be sown. Sowing in the fall is good, in October ~ early November, the temperature of 25 ℃ is appropriate, after sowing covered with plastic thin. Seed per mu seedlings with 1.5 ~ 2.5 kg, open furrow strip sowing, row spacing 15 ~ 25 cm, ditch depth of 2 cm, seed spacing 3 ~ 5 cm, covered with fine soil after sowing about 2 cm. Cover the center of the bed with wet grass, and keep the bed moist with frequent watering before the emergence of seedlings. Seedling height of 1 ~ 2 cm, you can lift the cover grass, 20 days after the seedling, that is, the first chase fertilizer, and then once a month, each time 4 kg of urea, potassium chloride 2.5 kg. Third, land preparation and planting 1. Select the water table is less than 2 meters, well-drained, soft sandy loam or loamy soil. Sprinkle 3000 to 3500 kilograms of rotting stable fertilizer per mu, deep plowing and turning into the soil. Level the ground, according to the predetermined row spacing dug planting ditch, general white asparagus ditch spacing for 1.8 ~ 2.0 meters. Green asparagus for 1.5 meters, ditch depth of 35 to 45 centimeters, 50 to 60 centimeters wide. Every mu to rotted heap stable fertilizer 2500 kg, laid in the bottom of the ditch, mixed with the soil and stamped solid. Then take 35 kilograms of calcium superphosphate, 20 kilograms of ammonium sulfate, and 15 kilograms of potassium nitrate per mu, spread it on the compost, and mix it with the soil. Fertilizer on another layer of soil, to 10 to 13 cm from the ground, you can plant seedlings