Rape fertilization method in winter rape area

Abstract

The invention discloses a rape fertilization method in a winter rape area. The rape fertilization method comprises the following steps of: selecting biogas slurry and biogas residues capable of normally generating gas for two months or more; soaking seeds in the biogas slurry for 15 hours; performing fertilization on seedling fields, wherein base fertilizer including the biogas residues, calcium superphosphate, borax and sodium of polyaspartic acid is applied to the seedling fields, and then topdressing is applied to the seedling fields; and performing fertilization on large fields, wherein the biogas residues are taken as base fertilizer, and the topdressing of the large fields is divided into three stages, namely seedling stage fertilization, sedge fertilization and flower fertilization, wherein the fertilizer is applied twice during the seedling stage, for the first time within 1-2 days after the transplanted seedlings survive, the biogas residues are mixed with urea and water for fertilization in each mu of field, and the sodium of polyaspartic acid is applied to the leaves of the rapes, and for the second time, the biogas residues mixed with water are applied to the rapes from the middle of December to the first ten-day period of January; sedge fertilizer is applied after the rapes has flower buds for one day to three days, and the biogas slurry and efficient instant boric fertilizer with water are uniformly sprayed on the rapes; and flower fertilizer is applied within one day to three days before and after blooming, the urea is applied to the rapes, and aqueous solution mixed by the biogas slurry, the borax and the sodium of polyaspartic acid is sprayed on the leaves in each mu of field.

Description

technical field [0001] The invention relates to a method for cultivating rapeseed in a winter rapeseed area, in particular to a method for fertilizing rapeseed in a winter rapeseed area. Background technique [0002] Rapeseed is distributed all over the country in my country. The planting area and total output of winter rapeseed account for about 90% of the country. In recent years, the production of rapeseed has developed rapidly. Long-term problems such as soil compaction, nutrient imbalance, and poor physical properties, the production capacity has dropped significantly, and the efficiency of organic fertilizers is slow. At the same time, in recent years, biogas construction has developed rapidly, resulting in good economic and social benefits, but biogas waste If the waste cannot be digested and utilized in time, it will also affect the normal operation and circulation of the biogas digester. Biogas slurry and biogas residue not only have complete nutrients and fast ferti...

AI Technical Summary

Problems solved by technology

[0002] Rapeseed is distributed all over the country in my country. The planting area and total output of winter rapeseed account for about 90% of the country. In recent years, the production of rapeseed has developed rapidly. Long-term problems such as soil compaction, nutrient imbalance, and poor physical properties, the production capacity has dropped significantly, and the efficiency of organic fertilizers is slow. At the same time, in recent years, biogas construction has developed rapidly, resulting in good economic and social benefits, but biogas waste If the waste cannot be digested and utilized in time, it will also affect the normal operation and circulation of the biogas digester.