A kind of microbial preparation and organic fertilizer for preventing and treating rice blight
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- 南京宁粮环保集团有限公司
- Publication Date
- 2021-06-11
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Abstract
Description
technical field
[0001] The invention relates to the technical field of fertilizers, in particular to a microbial preparation and an organic fertilizer for preventing and treating rice blight. Background technique
[0002] Rice is the most important food crop in China, but rice sheath blight caused by the soil-borne basidiomycetes Rhizoctonia solani Kühn is one of the most serious rice fungal diseases worldwide, especially in intensive planting The high and stable yield of rice has been seriously hindered in the system. In recent years, with the strengthening of rice production system, the increase of planting density and the utilization of high-yielding rice varieties, the damage of sheath blight in China has become increasingly serious. When natural conditions are favorable for the growth of pathogenic bacteria, the yield damage caused by them may be as high as 50%. In addition, the rice sheath blight epidemic area in my country is as high as 15 to 20 million hm 2 , whic...