Preparation method of flower and plant nutrient soil
Patent Information
- Authority / Receiving Office
- CN · China
- Current Assignee / Owner
- 合肥沁牧生态农业有限公司
- Publication Date
- 2017-01-25
- Estimated Expiration
- Not applicable · inactive patent
Abstract
Description
technical field
[0001] The invention relates to the field of flower nutrition soil, in particular to a preparation method of flower nutrition soil. Background technique
[0002] China is a country with serious soil degradation. The organic matter content of cultivated land in China is generally low, and the soil organic matter content of paddy fields is mostly 1% to 3%, while the organic matter content of dry land soil is lower than that of paddy fields, and the organic matter content of <1% accounts for 31.2%; most of China The total nitrogen in the cultivated land soil is below 0.2%. Among them, five provinces (regions) including Shandong, Hebei, Henan, Shanxi and Xinjiang account for more than half of the total cultivated land area; the area of phosphorus-deficient soil is 673,000 square kilometers. More than half of the cultivated land in more than 20 provinces (regions) is severely deficient in phosphorus; the proportion of potassium-deficient soil is relatively sm...