Summer corn fertilization skills
2022-08-28 00:03:48
Corn is a high-yield crop, which requires a large amount of fertilizer. Scientific fertilization is the key to obtaining high yield and stable yield of corn. According to the law of corn fertilizer demand, determine the reasonable fertilization method, and determine the appropriate proportion of fertilizer, in order to achieve high quality and high yield of corn, and obtain the maximum economic benefits.
1. Apply base fertilizer and seed fertilizer. Summer corn should be applied before the sowing, mainly organic fertilizer, can also use the former glutinous wheat to directly return the straw, but should be applied with appropriate amount of nitrogen fertilizer to adjust the carbon to nitrogen ratio to accelerate the straw maturity. The seed fertilizer is mainly available nitrogen, phosphorus and potassium fertilizers, such as diammonium phosphate (5-10 kg per mu) and potassium sulfate composite fertilizer (45-15% of the application of 10-15 kg).
2. It is very important to topdress. Topdressing plays an important role in the growth of corn. Topdressing is mainly based on available nitrogen, and is combined with phosphorus and potassium fertilizer according to different growth stages of corn. Usually divided into three times, namely, seedling fertilizer, jointing fertilizer, and ear fertilizer. The seedling fertilizer should be applied early, accounting for about 10% of the total topdressing fertilizer. The jointing fertilizer accounts for about 60% of the total topdressing fertilizer, and the ear fertilizer accounts for about 30%. In addition, summer maize has more demand for nitrogen, phosphorus and potassium at jointing and booting stage. Therefore, phosphorus and potassium fertilizer should be applied according to specific conditions.
3. Use foliar fertilizer skillfully. Spraying 0.2%-0.3% potassium dihydrogen phosphate 2-3 times in the jointing stage of corn can increase the yield of corn by more than 10%. Spraying 0.1%-0.3% zinc sulphate solution in the seedling stage and jointing stage can prevent corn. The occurrence of white seedling mosaic disease.
4. Carefully apply special fertilizer. Nowadays, there are many kinds of special fertilizers in various names in the agricultural resources market. There are many fake and inferior products. Therefore, when purchasing fertilizer and fertilizer, be careful and choose fertilizer according to corn growth characteristics and soil nutrient content.
1. Apply base fertilizer and seed fertilizer. Summer corn should be applied before the sowing, mainly organic fertilizer, can also use the former glutinous wheat to directly return the straw, but should be applied with appropriate amount of nitrogen fertilizer to adjust the carbon to nitrogen ratio to accelerate the straw maturity. The seed fertilizer is mainly available nitrogen, phosphorus and potassium fertilizers, such as diammonium phosphate (5-10 kg per mu) and potassium sulfate composite fertilizer (45-15% of the application of 10-15 kg).
2. It is very important to topdress. Topdressing plays an important role in the growth of corn. Topdressing is mainly based on available nitrogen, and is combined with phosphorus and potassium fertilizer according to different growth stages of corn. Usually divided into three times, namely, seedling fertilizer, jointing fertilizer, and ear fertilizer. The seedling fertilizer should be applied early, accounting for about 10% of the total topdressing fertilizer. The jointing fertilizer accounts for about 60% of the total topdressing fertilizer, and the ear fertilizer accounts for about 30%. In addition, summer maize has more demand for nitrogen, phosphorus and potassium at jointing and booting stage. Therefore, phosphorus and potassium fertilizer should be applied according to specific conditions.
3. Use foliar fertilizer skillfully. Spraying 0.2%-0.3% potassium dihydrogen phosphate 2-3 times in the jointing stage of corn can increase the yield of corn by more than 10%. Spraying 0.1%-0.3% zinc sulphate solution in the seedling stage and jointing stage can prevent corn. The occurrence of white seedling mosaic disease.
4. Carefully apply special fertilizer. Nowadays, there are many kinds of special fertilizers in various names in the agricultural resources market. There are many fake and inferior products. Therefore, when purchasing fertilizer and fertilizer, be careful and choose fertilizer according to corn growth characteristics and soil nutrient content.
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