The nine technologies of corn cultivation

1. Drought-resistance sowing techniques for maize (1) Robbery and sowing (2) Picking sowing (3) Sowing with shallow trenches in deep ditch (4) Deep ditch with deep ditch (5) Drainage and other rain (6) Precipitating and sowing water to resist drought
2. Summer corn sticking and no-tillage sowing techniques (1) Watering good yellowish water (2) Sticking machine sowing (3) Spraying chemical herbicide before emergence (4) Hand-seedling (5) Strengthening field management
3. Fertilization points for high-yielding cultivation of summer maize The corn needs a lot of nutrients in its life, with the largest demand of nitrogen, phosphorus and potassium. It needs to make up for it through fertilization. The amount of base fertilizer in high-yield cultivation accounts for 70%, topdressing accounts for 30%, and all of phosphorus fertilizer is at the end. Applying to the previous season crops, the principle of nitrogen fertilizer application for stalk fertilizer accounted for 60-70% of the total topdressing fertilizer, attacking panicle fertilizer accounted for 30-40%, attacking the grain before the application of silk, not more than 10%, potassium fertilizer application. Topdressing promotes deep burial between trees or rows and watering after application.
4. Irrigation guidelines for high-yield cultivation of summer maize Corn is usually fed with 4-5 waters during its growth period.
(1) Pre-planting quail 40 square meters/mu (2) Jointing and booting water 35-40 square meters/mu (3) Tasselling flowering water 50 square meters/mu (4) Grout water 10 days after silking, keeping soil Adequate moisture.
5. Key yield-increasing techniques in low-yielding corn areas (1) Fertility enhancement materials (2) Increase density to increase group yield (3) Timely sowing
6.Maize film corn cultivation points (1) Select frost-free period in areas under 130 days (2) Choose medium-high yield land (3) Sufficient basal fertilizer (4) Good site preparation quality, tight, tight, solid cover film, super Membrane (5) Chemical spraying herbicide before land cover film (6) Seedling density per hole when seedling temperature stability of 5 cm below 5 cm in the film exceeds 8 degrees (7) Variety selection Longer growth period, strong resistance, high yield, stable production type (Doing a good job in field management)
7. Supplementary Techniques for Increasing Maize Production (1) Using Maize Robust Maize, using 30ml of Robust Fertilizer per acre and 40 kg per mu before jointing, spray evenly on the upper leaflet of the plant to prevent lodging of the corn and promote root development. Rate, early growth period.
(2) foliar spraying foliar fertilizer such as potassium dihydrogen phosphate, Aonong (VI) artificially assisted pollination (3) artificial detasseling
8. Application technology of corn Zn fertilizer Early occurrence of "black leaf disease" in maize deficiencies, fertility retardation, ear tipping, and severe reduction in yield. Zinc can produce 30 kilograms of corn per mu. Method 1 Base application, 2 kg per gram of sulphate-zinc mixed fine soil 15 kilograms tilling tillage. 2 seed dressing, with 4-6 grams of zinc sulfate per kilogram of seeds, made into a solution of seed dressing, shade can not catch up with dry after sowing. 3Spraying at the seedling stage, spraying once to the depth of 0.1-0.3% zinc citrate solution during the jointing stage
9. Prevention and control technology of corn rough dwarf disease 1 Spring sowing of corn in early April sowing, so that the baldness period avoids the first generation of Laodelphax striatus. 2 selection of disease-resistant technology 3 agents to control corn Wang Ye before the spray dimethoate, 1605 and other agents except for the pre-morbidity spray green wind 95, virus A, virus spirit and so on.

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