After the harvest of rice in summer, it is the turn of autumn cabbage cultivation time, but many plants often have various problems in the process of planting autumn cabbage. Today, Hui Nongwang Xiaobian will talk about high-yield cultivation management techniques of autumn cabbage.
1, variety selection
Autumn Chinese cabbage is one of the vegetables with large cultivation area, high yield and good quality. Most of the selected varieties have a medium-maturing type of about 80 days, Qingza No.3, Modified Qingza No.3, and Jiaobai1. No., Shandong No. 4, etc.
2, seed treatment
   Seeds were immersed in warm water at 50 ° C for 20 minutes, stirred constantly, and then dried for sowing or seeded with 50% thiram WP.
3. Preparation before sowing
PRECEDING non-selected block of cruciferous vegetables, roots requires small rake, no large particles, with site preparation Mushi sufficient decomposition of organic fertilizer 3000 kg superphosphate 25 to 30 kg, 100 kg ash. Basal fertilized uniformly mixed with the soil by harrowing basal it, the land formation, can be 50 to 60 cm wide, 13 to 19 cm high ridges, for sowing.
4, planting density
   It is suitable for about 1800 plants per mu, with a row spacing of 60 cm × 60 cm.
5, sowing
   Autumn cabbage is usually sown in mid-August, and it is broadcast early because of high temperature and high humidity. Most take the form of Dibble per acre seed quantity is around 150 grams, three days after seedling emergence thinning, start Dingmiao 5 leaves, Deficiency timely fill the gaps.
6, field management
Try to avoid weeding during the growth of autumn cabbage to reduce the damage caused by root damage. Under the premise Shizujifei, sitting lotus, cabbage each post to recover a fertilizer, urea per acre 15 ~ 20 kg, 5 to 10 kg fertilizer potassium sulfate, can be sprayed in the late 1% aqueous solution of potassium dihydrogen phosphate or urea and other Foliar fertilizer, moisture to keep see dry and wet as well, stop watering 5-7 days before harvest, 7 to 10 days before harvesting (leaf vegetables), avoid sudden freezing of snow and cold, and avoid aphids entering leaf autumn internal.
7. Pest control
Pesticides should be used strictly in accordance with the safety interval. It is strictly forbidden to use national banned pesticides, such as: phorate, bismuth phosphorus, parathion, methyl parathion, chlorpyrifos, monocrotophos, phosphatidamine, methamidophos , isopropoxide, thiophosphorus, omethoate, zinc phosphide, aluminum phosphide, insecticide, cyanide, carbofuran, DDT and other high-toxic, high-residue pesticides.
Pest control
Take some physical control methods as much as possible, such as using a yellow plate to trap aphids, etc. For some species such as cabbage caterpillars, Plutella xylostella, etc., the principle of safe drug use must be adopted to avoid the use of pesticides banned by the state.
Disease prevention
Viral disease : First select disease-resistant varieties, timely planting, and grasp the field management. Followed by the use of chemical control, spray 20% virus A wettable powder 600 times before or after planting, or plant disease Ling milk 1000 ~ 1500 times liquid.
Downy mildew : First select resistant varieties, timely sowing, seed dressing, sorghum cultivation, and scientific fertilization. Secondly, taking the chemical control, the lotus seed is generally sprayed with 25% metalaxyl WP 750 times liquid, or 69% An Mn Mn 500-600 times liquid, or chlorothalonil WP 500 times liquid, in serious condition. It can be used alternately, spray once every 7 to 10 days, and continuously spray 2 to 3 times.
Soft rot : First, carefully select seeds, sorghum cultivation, timely sowing, and eliminate the mantle. Second is to take chemical control, agricultural antibiotic use before planting 75-1, vegetables Fengning seed dressing, the latter continue to increase spray drug prevention, such as diseased plants appear to be immediately removed, to be buried, and applicator lime Cave, also Timely spray with 72% agricultural streptomycin sulfate soluble powder 4000 times solution.
8, harvesting
In mid-November, timely harvest according to weather conditions to avoid freezing damage. Winter storage should be collected as late as possible and must be harvested before frost.
The above is the high-yield cultivation technology of autumn cabbage prepared by Hui Nong.com, and I hope to help you grow autumn cabbage.
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