Efficient slow-release fertilizer capable of promoting strawberry growth and development and preparation method thereof
Patent Information
- Authority / Receiving Office
- CN ยท China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- ้ซ้น
- Publication Date
- 2017-03-22
- Estimated Expiration
- Not applicable ยท inactive patent
Abstract
Description
technical field
[0001] The invention relates to the technical field of slow-release fertilizers, in particular to a high-efficiency slow-release fertilizer capable of promoting the growth and development of strawberries and a preparation method thereof. Background technique
[0002] As an important agricultural material, chemical fertilizers have played a pivotal role in increasing food production. Although my country has a large amount of fertilizer, its fertilizer use efficiency is far lower than that of developed countries in the world. In my country's traditional fertilizer fertilization, the utilization rate of nitrogen fertilizer is 30% to 35%, the seasonal utilization rate of phosphorus fertilizer is 8% to 20%, and the utilization rate of potassium fertilizer is about 50%. Most of the nutrients are lost in the air and groundwater with leakage and evaporation. , not only waste serious, but also cause soil, air, groundwater and other environmental pollution. Therefore, ...