Rice seedling culture substrate and application thereof
Patent Information
- Authority / Receiving Office
- CN · China
- Current Assignee / Owner
- NORTHEAST AGRICULTURAL UNIVERSITY
- Publication Date
- 2019-07-12
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Abstract
Description
technical field
[0001] The invention belongs to the technical field of rice planting, and in particular relates to a rice seedling raising substrate and an application thereof. Background technique
[0002] Rice is the main food crop in my country. As of 2016, the rice planting area in my country was 30.16 million ha 2 , The rice output reached 206.93 million tons. The dominant areas for rice planting in my country are mostly concentrated in the Northeast and the middle and lower reaches of the Yangtze River. Among them, the rice seedlings in the Northeast mostly adopt the dry seedling raising technology, and a large amount of high-quality cultivated soil is required every year as the seedling bed soil. With the development of large-scale rice seedling raising in Northeast China, the demand for high-quality seedling bed soil has increased sharply, and it has caused damage to the farmland plow layer soil; at the same time, due to the influence of pesticide residues in the so...