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How to grow red grapes
The raisin cultivation technology

Selected

Selected good traffic conditions, fertile land, wind and sunny, sufficient light, irrigation and convenient leveling of the land to build the garden.

Planting

1⒈ full base fertilizer: dig a good planting ditch according to 80cm x 80cm, farmyard manure, green manure, pig and cow dung and other organic fertilizers according to 5000kg/667 square meters into the bottom of the ditch, backfilled with a layer of loose soil, and then 100kg/667 square meters of ternary composite fertilizers or fruit composite fertilizer can also be applied per 667 square meters of ammonium bicarbonate 50kq, calcium superphosphate 100kg, potassium sulfate 20kg. 100kg, potassium sulfate 20kg, mix the soil and fertilizer evenly, and then fill the ditch with excavated cooked soil, and slightly above the ground.2. Selection of seedlings: in the rooting seedling bed to select the rooted seedlings that have been cultivated with healing tissues (or have been rooted), full of buds (or have been sprouted), and protect the roots of the seedlings with a wet cloth or wet saw foam, to prevent dehydration or wind drying.

3. Reasonable dense planting: According to the degree of land fertility and fertilizer management, make full use of land resources. Take single stand as an example, the general planting specifications for row spacing 3m × 1m or 2m × 1m, respectively, 222 and 333 plants.

4. Transplantation time and method: Transplantation time is generally more appropriate before and after the Qingming transplantation.

Transplantation method: in the planting ditch at the center of the two ends of the tie a positioning line, with a length of 20cm or so of bamboo, close to the positioning line according to the specifications of the planting while digging holes transplantation, transplantation will be placed on the side of the buds to the side of the sun, seedling nodes longer can be planted diagonally close to the positioning line, watering the root of the full water, the whole planting ditch with a large 90cm film cover, and half-dry and wet with a fine soil to seal the film mouth.

Seedling management

Pest control

Seedling transplanted within 3d to spray 1 time to prevent black pox, white rot pesticides, generally with 50% carbendazim 800 times liquid or 50% fumonisin 700 times liquid spray, and then every 7-10d every time to spray 1 time. It can also be used alternately with 70% metribuzin 800 times liquid. If insect pests appear, can be mixed with insecticide and sprayed together. Watering

After transplanting the seedlings for about 10d, the 10cm thick soil under the membrane should be checked to determine whether to water according to the dry and wet conditions. In the watering should not be too much, the first and second to small watering mainly, to be normal growth of seedlings, and then appropriate irrigation.

Seedling replenishment

Seedling survival, according to the lack of seedlings should be replenished in a timely manner to ensure that the whole orchard fruit seedlings synchronized growth.

Fertilizer

To fast-acting fertilizers, according to the size of the ripe 3 near the root end (5 years of trees in the trunk of the tree with 40 centimeters or so) to open a 50 cm deep, 20 cm wide ditch, fertilizer mixed with soil buried in the ditch, for the fruiting of the vine, can be in the pre-emergence of budding, pre-flowering, fruit expansion, coloring period and post-harvest fertilizer. In the dry spring out of the ground to budding before and after the first fertilizer, nitrogen and potassium-based, with a small amount of phosphorus fertilizer, called sprouting fertilizer, to promote the sprouting of young buds, inflorescences continue to differentiate and accelerate the growth of branches and leaves have a better effect, in the flowering period of seven days or so, the second fertilizer, nitrogen and potassium-based, known as flower fertilizer, in order to ensure that the flowering, pollination, fertilization and inflorescence differentiation is carried out normally. In addition, in this period can be based on the situation of foliar spraying 0.3% of borax, in order to improve the rate of fruiting, in the berry growth period, that is, in the berry grow to soybean size, in order to promote fruit expansion, enhance the photosynthesis of the leaves, promote the growth of the branches, improve the yield and quality, you can be the third fertilizer, nitrogen and potassium fertilizer, that is, the catalytic fertilizer. Then the fruit coloring from the beginning, according to the need to apply a certain amount of potash, in order to improve the color of the fruit, improve the commercial rate. From the harvest to the end of October during the first frost, is the maturation of grape branches, to restore the tree, for the next year's growth in the accumulation of nutrients in an important stage, in order to supplement the nutritional consumption of grapes, to carry out the fourth fertilizer, nitrogen and potassium-based. This time the chase can be combined with organic fertilizer, which can save labor, and can improve the efficiency of fertilizer use. Foliar fertilizer is often used in agricultural production of a fast and effective fertilization method, this method can quickly restore the tree, correct the milder symptoms of deficiency, and can supplement the grape rising often lack of iron, boron, zinc and other trace elements.

The specific method is to dissolve the fertilizer in water, according to a certain concentration (nitrogen, phosphorus and other nutrients to about three-thousandths of an inch appropriate), evenly sprayed on the foliage of grapes, foliar fertilizer is best carried out early in the morning to ensure that the fertilizer in the foliage have enough effective wetting time.

Branch cultivation

When the seedlings grow to a certain height, each plant to cultivate 2 tips to do the main vine, not enough 2 new plants, in the new tips grow to 20cm high remove the main heart, cultivate 2 secondary tips to form the main vine. For those who have two new shoots, but the strength is too obvious, then remove the weak one, and then cultivate two main vines on the strong one, in order to balance the nutrients.

Tie branch

Whenever the branch grows to a certain height of wire on the grapevine, it is necessary to remove the tendrils and tie branches in a timely manner. Tie knot to play pig's feet buckle, wire on the buckle knot to tight, and branches and vines on one side to leave a margin of 5-7cm, so that the branches and vines to grow freely and can avoid wind damage. It is strictly prohibited to branch

TiZi

fall on the ground to prevent infection of germs. In addition, the main branch 50cm below the secondary tip to wipe out all, in the wipe the secondary tip should pay attention to protect the winter buds, towards the opposite direction of the winter buds wipe out.

If the plant grows vigorously, we should pay attention to whether it is deficient in micronutrients and replenish the plant with micronutrients in a timely manner. Generally every 10-15d separate spray 1 time 600 times liquid Gomez, into July, combined with spraying, spray 500 times liquid potassium dihydrogen phosphate 2-3 times.

Shaping and racking

Dragon pole shaping, a main vine length of 1.5m, the front end of the two sides of the uniform distribution of fruiting mother branch 10-12, each branch about 20cm apart, every other fruiting branch, arranged for a nutrient branch, fruiting technology and nutrient branch rotation every year. Shelf type with a small trellis, trellis height 1.5m, so that the grapes grow under the shed, can prevent the occurrence of sunburn disease.

Pruning

1. winter pruning

The first year of heavy cutting, leaving a 20cm long mother branch, the second year to stay 1 meter long main vine, above the 3-5 fruiting branches, each fruiting branch to leave 1-2 buds. The third year has covered the surface of the shed, this time to stay 1.5-2m of the main vine, leaving 10-12 fruiting branches, which