1, seedling replenishment: seedling replenishment time can generally be carried out when the seedlings grow true leaves, when the seedlings have 3-4 true leaves can be fixed. 2, plowing and weeding as well as drainage: appropriate shallow plowing after the emergence of the seedling, the melon needs to pay attention to the weeding, after the heavy rain in a timely manner after the discharge of the stagnant water. 3, fertilizer and watering: watering needs to be based on the soil as well as the weather flexibility, the seedling can be applied to a small amount of chemical fertilizers. A small amount of chemical fertilizer, after the melon every 667 square meters of nitrogen, phosphorus and potassium compound fertilizer 10-15kg.
A cucumber how to manage to high yield
1, seedling replenishment
(1) to manage the open ground summer and autumn cucumber as an example, when the seedling grows out of the true leaves, you can begin to inter-seedling replenishment.
(2) When the seedlings grow to 3-4 true leaves, set the seedling, note: because of the summer rainstorms, as well as pests and diseases, it is better to set the seedling later than earlier.
2, plow and weed and drainage
(1) cucumber seedlings can be appropriate shallow plow, to promote seedling rooting, to avoid growing.
(2) before the cucumber melon needs to be plowed several times, but also pay attention to weeding.
(3) Clean the drainage ditches and drain the water after heavy rain.
3, fertilizer watering
(1) Cultivation of summer and autumn cucumbers need extra attention to prevent flooding, so watering needs to be flexible according to the soil, weather.
(2) A small amount of fertilizer can be applied during the seedling period to promote growth.
(3) After the melon is usually chased 1 time every 10-15 days of fertilizer, generally can be applied nitrogen, phosphorus and potassium compound fertilizer 10-15kg/667 square meters.
(4) in the melon season need to provide sufficient fertilizer, in the summer, the weather will slowly cool, so you can foliar spray 0.2% potassium dihydrogen phosphate, to avoid melting melon.
4, inserting the frame and tying the vine
(1) in the seedling watering needs to be inserted after the frame, and combined with tying the vine for rectification.
(2) because the summer and fall cultivation of cucumber varieties have more lateral trails, so generally do not leave the base of the lateral trails, the upper side of the lateral trails can be discretionary to leave a few more leaves for centering.
5, control of pests and diseases
(1) diseases
① Types: cucumbers are mainly mildew, powdery mildew, anthracnose and other diseases.
② prevention and control methods: mildew can be used 72% DuPont Keroux wettable powder 600-800 times liquid prevention and control; with 15% powder rust Ning wettable powder 1500 times liquid general control of powdery mildew; anthracnose can be used to prevent and control 50% anthracnose Fomei wettable powder 500 times liquid prevention and control.
(2) pests
① types: cucumber mainly aphids, mites and other pests.
② prevention and control methods: usually available 40% Rogaine emulsion 1000 times, or 20% Aifodin 2 1500 times spray control.
Second, cucumber planting methods
1, seed selection
Cultivation of summer and fall open field cucumbers, for example, you need to choose heat-resistant and disease-resistant cucumber varieties, such as Jinchun 4.
2, the whole land fertilization
(1) because of the summer rain, easy to lead to the loss of fertilizers, so you can properly reapply organic fertilizers, generally in the whole of every 667 square meters of rotted fertilizer into the 4000-5000kg.
(2) the depth of the whole land should not be too deep to about 15cm is appropriate to avoid deep plowing led to waterlogging.
3, do bed
(1) small raised beds: bed width 50cm, height 20cm, bed ditch width 70cm, generally can be planted on both sides of the small raised beds 2 rows of cucumbers, plant spacing for 20-25cm.
(2) high row: bed width of 70cm, the ditch width of 50cm, and then in the middle of the raised beds to open a small ditch depth of 20cm, watering the small ditch, then the ditch, and then the ditch, and then the ditch, and then the ditch, and the ditch. After watering the small ditch, the seeds can be sown on the inside of the small ditch.
(3) Note: Cultivation of summer and fall cucumbers generally need to use small raised beds or high ridges, can not use flat beds, to avoid flooding; in the beds, but also need to do a good job of drainage ditches to facilitate drainage.
4, planting
(1) can generally be planted in mid-June to early July, mostly direct seeding, but also the use of seedling transplantation methods.
(2) Note: Because the summer temperature is higher, it will lead to weaker melon seedlings, so it can be appropriately dense planting, planting density is generally 5000-5500 plants/667 square meters.