Development and Utilization Technology of Cold Coaked Field and Comprehensive Planting and Breeding in Southern Rice Area
Received date: 2022-07-08
Online published: 2022-11-17
The distribution, formation, characteristics, definition methods and the current situation of utilization of cold soaked fields in southern rice area were analyzed in this paper. In view of the current situation of large area and low utilization rate of cold-soaked fields in southern rice area, research on the development and utilization technology of cold-soaked fields was carried out. The results showed that the benefit of the “rice + turtle +carp” model in the cold-soak field was 88 586 yuan/hm2, and the production-to-investment ratio was 2.062, which was much higher than that of the single-plant rice model in the cold-soak field （the benefit was 1 969 yuan/hm2, and the production-to-investment ratio was 1.138）, and higher than the “rice + turtle + carp” model in ordinary fields（the benefit was 64 860 yuan/hm2, and the production-to-investment ratio was 1.761）. On the basis of the experiment, the technical points of comprehensive planting and breeding development and utilization in cold-soaked fields are summarized: renovation of the three-dimensional structure of cold-soaked fields, improvement of farming and fertilization technology, comprehensive cultivation of “rice + turtle + carp”. The development and utilization of comprehensive planting and breeding in cold-soaked fields is of great significance to improve the utilization rate of cold-soaked fields and ensure food security.
ZENG Jianxin, GONG Xiangsheng, YU Zhengjun, LIU Xiaoyan, CHEN Can, FU Zhiqiang, DAI Zhenyan, HUANG Yao, LIU Dengkui, CHEN Liechen, LU Ming, CHEN Shuang, ZHOU Guofeng, YU Changsheng, TONG Zhongquan, LIU Wenling, HUANG Huang . Development and Utilization Technology of Cold Coaked Field and Comprehensive Planting and Breeding in Southern Rice Area[J]. China Rice, 2022 , 28(6) : 102 -106 . DOI: 10.3969/j.issn.1006-8082.2022.06.020
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