Autumn sowing crops
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Strategy 1: Soaking method First dilute the relevant micro-fertilizer water, then put the seeds into the micro-fertilizer solution, so that the seeds absorb the fertilizer liquid and expand, and the nutrients enter the seed with the water liquid. Therefore, during the soaking process, the seeds must be frequently turned over so that the seeds can evenly absorb the fertilizer. The commonly used soaking concentration and time are: molybdenum fertilizer is immersed in 0.05%~0.1% ammonium molybdate solution for 10~12 hours; boron fertilizer is immersed in 0.05% borax solution for 4~6 hours; zinc fertilizer is 0.05% zinc sulphate solution Dip for 12~24 hours; manganese fertilizer is immersed in 0.1% manganese sulfate solution for 8~12 hours; rare earth micro-fertilizer is immersed in 0.03%~0.1% rare earth nitrate for 10~12 hours. After the seeds are soaked, they can be sown after being dried and dried.
Strategy 2: Seed dressing method First dissolve the micro-fertilizer with a small amount of water, and mix it into a high-concentration fertilizer solution, then spray the fertilizer solution on the seeds, while spraying and mixing, so that the surface of the seeds is stained with a layer of fertilizer. Generally, only 1 to 4 grams of micro-fertilizer is used for each 0.5 kg of seed. After the seeds are sucked and dried, they can be sown. If it is dry mix, mix the micro-fertilizer powder with the seeds thoroughly.
Strategy 3: Spraying method The micro-fertilizer is sprayed evenly on the foliage of the crop, and then absorbed by the leaves and then supplied to various parts of the plant. This is a commonly used fertilization method, which is economical and effective. The practice is: first dilute the relevant micro-fertilizer with water and then spray. The number of sprays is determined according to the length of the crop growth period. It is advisable to spray more sensitive crops and deficient soils. It is advisable to spray the stems and leaves with each spray. It is advisable to spray at dusk on sunny days to maximize the wet time of the fertilizer on the crop leaves and enhance the effect of fertilizer absorption.
Strategy 4: Soil Application When planting autumn-sown crops, 0.5~1.5 kg of micro-fertilizer and seeds are simultaneously planted into the seeding ditch. If the amount of soil is sufficient, it can be used for the whole growth period of the crop. The experiment shows that when the amount of micro-fertilizer is large, the micro-nutrient content in the plant is large. Because the micro-fertilizer is easily fixed by soil particles in the soil, the dosage is large and the investment is high, so it should be concentrated as much as possible to reduce the loss of soil in the season. The micro-fertilizer. In this way, not only the current season, but also for several years, still get better results. Therefore, the soil application method is suitable for farmers with better economic conditions and less labor.