Compared with other crops, wheat has three significant characteristics: First, wheat is highly dependent on soil fertility. Second, the amount of nitrogen fertilizer in small wheat fields should not be too large, otherwise, it will easily lead to excessive growth in the early stage and lower yield in later stages. Third, wheat is particularly sensitive to phosphorus. If phosphorus deficiency occurs at the three-leaf stage, it will result in fewer secondary roots, delayed delivery, or no labor. Phosphorus deficiency after the trifoliate stage delays heading, flowering and maturation, reduces the number of grains per panicle, and reduces the weight of 1000 grains.
First, the number of fertilization (a) low yield fields. Mushi organic fertilizer 3000 kilograms, standard phosphate fertilizer 60 to 70 kilograms, urea 25 kilograms.
(b) Middle-quality fields. Mushi organic fertilizer 3000 ~ 4000 kg, cake fertilizer 50 kg, standard phosphate fertilizer 70 ~ 80 kg, urea 25 ~ 30 kg.
(c) High-yield fields. Mushi organic fertilizer 4000 ~ 5000 kg, cake fertilizer 50 kg, standard phosphate fertilizer 80 ~ 90 kg, 35 kg of urea, potassium 10 ~ 15 kg, zinc fertilizer 1.5 ~ 2 kg.
(D) late buckwheat. Mushi organic fertilizer about 4,000 kilograms, standard phosphorus 75 kilograms, 25 kilograms of urea.
Second, fertilization method (a) nitrogen fertilizer. Dry, thin and low-yielding fields, which can not be poured into the water all year round, can use 70% of nitrogen fertilizer as base fertilizer, 30% of nitrogen fertilizer as top dressing, or all nitrogen fertilizer as base fertilizer. In middle and high yield fields, 50% of the total amount of nitrogen fertilizer can be used as base fertilizer and 50% as top-dressing fertilizer.
(b) Phosphate fertilizers. All phosphate fertilizers can be used as base fertilizer and applied in layers. 70% of the phosphate fertilizer is applied before tillage and 30% of phosphorus fertilizer is applied after tillage.
(3) organic fertilizer, cake fertilizer, potash fertilizer, and trace fertilizer, all of which are base fertilizers at one time.
(d) Seed fertilizer. Mu 4 to 5 kg of ammonium sulfate, or 2 kg of urea and diammonium phosphate.
First, the number of fertilization (a) low yield fields. Mushi organic fertilizer 3000 kilograms, standard phosphate fertilizer 60 to 70 kilograms, urea 25 kilograms.
(b) Middle-quality fields. Mushi organic fertilizer 3000 ~ 4000 kg, cake fertilizer 50 kg, standard phosphate fertilizer 70 ~ 80 kg, urea 25 ~ 30 kg.
(c) High-yield fields. Mushi organic fertilizer 4000 ~ 5000 kg, cake fertilizer 50 kg, standard phosphate fertilizer 80 ~ 90 kg, 35 kg of urea, potassium 10 ~ 15 kg, zinc fertilizer 1.5 ~ 2 kg.
(D) late buckwheat. Mushi organic fertilizer about 4,000 kilograms, standard phosphorus 75 kilograms, 25 kilograms of urea.
Second, fertilization method (a) nitrogen fertilizer. Dry, thin and low-yielding fields, which can not be poured into the water all year round, can use 70% of nitrogen fertilizer as base fertilizer, 30% of nitrogen fertilizer as top dressing, or all nitrogen fertilizer as base fertilizer. In middle and high yield fields, 50% of the total amount of nitrogen fertilizer can be used as base fertilizer and 50% as top-dressing fertilizer.
(b) Phosphate fertilizers. All phosphate fertilizers can be used as base fertilizer and applied in layers. 70% of the phosphate fertilizer is applied before tillage and 30% of phosphorus fertilizer is applied after tillage.
(3) organic fertilizer, cake fertilizer, potash fertilizer, and trace fertilizer, all of which are base fertilizers at one time.
(d) Seed fertilizer. Mu 4 to 5 kg of ammonium sulfate, or 2 kg of urea and diammonium phosphate.
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