MySheen

Skillful fertilization-- the principle of fertilizer use

Published: 2024-11-05 Author: mysheen
Last Updated: 2024/11/05, What kinds of fertilizers are commonly used in apple orchards? The basic fertilizer of apple orchard is mainly organic fertilizer, combined with appropriate amount of nitrogen, phosphorus, potassium fertilizer and trace element fertilizer; topdressing mainly uses chemical fertilizer; when correcting element deficiency, it is necessary to apply trace element fertilizer on the basis of normal fertilization. (1) Organic fertilizer: loop compost, compost, chicken manure, human manure.

The use of fertilizer must meet the needs of fruit trees for nutrient elements, maintain or increase soil fertility and soil microbial activity. The application of organic or inorganic (mineral) fertilizers should not have adverse consequences for the environment and fruit trees. To achieve three main, three combinations, that is: mainly organic fertilizer, supplemented by chemical fertilizer, the combination of organic fertilizer and chemical fertilizer; root topdressing, foliar fertilizer spraying as a supplement, topdressing and spraying fertilizer; a large number of elements, trace elements, a large number of and trace elements. Prohibited to use: urban garbage without harmless treatment by ① or garbage containing harmful substances such as metal, rubber, plastic and so on. ② nitrate nitrogen fertilizer, unspoiled human feces and unregistered fertilizers, etc.

 
0