Special formula fertilizer for rice cultivation
A technology of rice cultivation and special fertilizer, which is applied in the field of special formula fertilizer for rice, and can solve problems such as treating the symptoms but not the root cause
Patent Information
- Authority / Receiving Office
- CN · China
- Current Assignee / Owner
- Publication Date
- 2015-07-01
Abstract
Description
technical field
[0001] The invention belongs to the field of fertilizers, in particular to a special formula fertilizer for rice cultivation. Background technique
[0002] Rice is one of the most important food crops in my country. Its planting range covers a large area of my country from Hainan Island to Heilongjiang, from East China to Sichuan. According to statistics, my country's rice planting area reaches 453 million mu, accounting for about 30% of my country's grain output, and it is a veritable staple food. With the acceleration of industrialization and urbanization, the situation of maintaining arable land area is becoming increasingly severe. The development of industrialization and urbanization requires a large amount of land for construction, which has serious contradictions with maintaining the stability of food production. The increase of construction land will inevitably lead to the decrease of cultivated land. Under the basic premise that the area of c...
Examples
Embodiment 1
[0128] In the 60-mu field experiment conducted in Jiangsu and Zhejiang, the variety Yongyou 12 was used and repeated three times. On the premise of not using the base fertilizer, the special fertilizer a for rice was used for the first topdressing within 5 to 7 days after transplanting. The amount of fertilizer applied was 10kg / mu; the second topdressing one month after transplanting, the fertilization rate is 20kg / mu; the third topdressing is carried out two months after transplanting, the fertilization rate is 5kg / mu; a total of 35kg / mu.
[0129] Concrete method of topdressing fertilizer: it can be evenly sprinkled in the paddy field artificially, and the above-mentioned a) fertilizer can also be dissolved in clear water according to the water addition of 50 times the mass ratio, and directly sprayed in the paddy field by sprinkling irrigation or micro-spraying equipment; In the field, the fertilizer is directly dissolved in clear water, and then applied to the paddy field al...
Embodiment 2
[0131] In the 60-mu field experiment conducted in Jiangsu and Zhejiang, the variety Yongyou 12 was used and repeated three times. On the premise of not using the base fertilizer, the special fertilizer a for rice was used for the first topdressing within 5 to 7 days after transplanting. The amount of fertilizer applied was 12kg / mu; carry out the second topdressing one month after transplanting, and the fertilization rate is 22kg / mu; carry out the third topdressing two months after transplanting, and the fertilization rate is 6kg / mu; a total of 40kg / mu.
[0132] Concrete method of topdressing fertilizer: it can be evenly sprinkled in the paddy field artificially, and the above-mentioned a) fertilizer can also be dissolved in clear water according to the water addition of 50 times the mass ratio, and directly sprayed in the paddy field by sprinkling irrigation or micro-spraying equipment; After the fertilizer is dissolved in clear water directly in the field, it is applied to the...
Embodiment 3
[0134] In the 60-mu field experiment conducted in Jiangsu and Zhejiang, the Yongyou 12 variety was used and repeated three times. On the premise of not using the base fertilizer, the special fertilizer a for rice was used for the first topdressing within 5 to 7 days after transplanting. The amount of fertilizer applied was 14kg / mu; the second topdressing was carried out one month after transplanting, and the fertilization rate was 23kg / mu; the third topdressing was carried out two months after transplanting, and the fertilization rate was 8kg / mu; a total of 45kg / mu.
[0135]Concrete method of topdressing fertilizer: it can be evenly sprinkled in the paddy field artificially, and the above-mentioned a) fertilizer can also be dissolved in clear water according to the water addition of 50 times the mass ratio, and directly sprayed in the paddy field by sprinkling irrigation or micro-spraying equipment; After the fertilizer is dissolved in clear water directly in the field, it is a...