Colored sticky corn is generally white, yellow, red, purple and black, among which white, yellow and purple corn are the basic colors. If the purple gene of the purple-white hybrid "beats" the white gene, it will naturally become purple, and vice versa, so if the two are tied, we will see white and purple corn. Purple can become red and black corn, or as we often say, "red is purple and black is purple".
Among these colorful corn, the most common Yellow Waxy Corn is the most nutritious because it is rich in carotene.
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The varieties of Huaguan Qinghai cabbage, May slow, and strong green rapeseed were used, and the seed quality complied with the requirements of GB 16715.2.
Soil fertigation
Fine preparation before planting, early plowing, deep plowing, smashing soil, smashing and straightening, application of decomposed organic fertilizer 5000kg/667m2, using sorghum cultivation.
sowing
1. Seed treatment
Use 50% carbendazim WP 500 times liquid soaking for 1 hour, or 10% trisodium phosphate soaking for 20 minutes. Disinfect the seeds and wash them in clean water and soak in warm water for 6-8 hours. Rinse and rinse with water.
2. Bed soil treatment
With 75% chlorothalonil Wp per square meter 8-10 grams and 15 kilograms of fine soil mix made of medicinal soil, spread into the seedbed sowing layer.
3. Sowing method
Determine the sowing date according to market demand, select the appropriate variety, use seedling transplanting or seedling drilling, cover the soil after sowing 0.5-1cm, compaction, seedling age 30 days can be transplanted, according to different varieties, leave 40,000 to 50000 plants per acre .
Field management
1. Miao Dingmiao
After emergence and time seedlings, 5 leaves - 6 leaves when the Dingmiao, watering, weeding and weeding.
2. Water and fertilizer management
Seedling stage control water seedlings 7-10 days, when the plants began to grow new leaves timely watering, topdressing each urea 7.5-10kg/667m2.
Pest control (details in vegetable pest control)
Control methods
Agricultural control
1. Reasonable layout, implementation of crop rotation, strengthening of weeding and weeding, cleaning of pastoral areas, reducing the number of pests and diseases.
2. Use disease-resistant varieties and disinfect seeds before sowing.
Biological control
1. Use of biological preparations such as cabbage caterpillars, small leil moths, beet armyworms, etc. using viruses such as silver spotworm virus (Olympus novae), sweet beetle virus, diamondback moth virus, Beauveria bassiana, and Bacillus thuringiensis preparations Prevention.
2. Protect and use predatory natural enemies such as ladybugs, grass ridges, herbivores, falcons, spiders, etc., and parasitic natural enemies such as Trichogramma and Trichogramma.
3. Utilize oxymatrine, nicotine and other plant-derived pesticides to control pests.
Physical control
1. Silver ash film can be used to avoid or yellow traps to kill locusts.
2. The field hanging insecticidal lamp traps pests.
Chemical control
Common Disease Prevention and Control Recommends Use of Pesticides
1. Control of soft rot with 70% of agricultural streptomycin SP208g/hm2-417 g/hm2 or 77% can kill WP625 g/hm2-750 g/hm2 and other sprays.
2. The use of 58% metalaxyl WP2250 g/hm2-2800 g/hm2 may be used for the prevention of downy mildew; 69% of MnZn WP1500 g/hm2-2000 g/hm2 or 72.2% of Proklac AS1170 g/hm2- 1620 g/hm2 spray.
3. The control of anthracnose, white spot, and black spot may use 70% thiophanate-methyl WP1070 g/hm2-1440 g/hm2 or 80% anthrax fumei WP1875 g/hm2-2250 g/hm2.
Pesticides are recommended for common pest control
1. Control aphids with 10% imidacloprid WP150 g/hm2-300 g/hm2 or 3% acetamiprid EC18 g/hm2-22 g/hm2.
2. Control of beet armyworm spraying with 4.5% beta cypermethrin EC11.25 g/hm2-22.5 g/hm2 or 20% tebufenozide (Miman) suspension agent 200 g/hm2-300 g/hm2.
3. Control against leaf miner flies with 10% ciprofloxacin WP 225 g/hm2-338 g/hm2 or 40% turfgrass EC900 g/hm2-1125 g/hm2.
Harvest and follow-up management
According to different varieties of the best product requirements for timely harvesting, after testing in line with the provisions of GB 18406.1 can be listed, after the harvest prohibited the use of sewage washing. The tools used in harvesting, packing, transportation and storage are clean and free from pollution. In the packaged rapeseed, the packaging shall indicate the name, place of production, name of the producer, date of harvest, net weight, and label and label of pollution-free product, and the label shall comply with the provisions of GB7718.
Rape pollution-free production technology
Variety selection