洞庭湖区水稻生产的外部成本高达4。
淹涝胁迫对水稻生产造成了严重的危害。
今天，中国是世界上最大的水稻生产国。
稻瘟病是道真县水稻生产中主要病害之一。
The rice blast is one of main rice diseases in rice production in Daozhen county.
在中国，水稻生产是国民经济的重要组成部分。
China, rice production is an important part of the national economy.
水稻种子播前处理是水稻生产中的一个重要环节。
Presowing treatment of rice seed is an important link in rice production.
改善水稻作业环境、提高水稻生产力是目前面临的研究课题。
Now we face the problem that how to improve its growth condition and productivity.
人们使用水稻的每一部分，人们用水稻生产动物性食品和米油。
People use every part of the rice plant. They make animal food and rice oil from it.
提出在水稻生产秧苗期用浅水灌溉或无水层灌溉的有效水分管理方法。
Effective water manage measure at seedling stage was discussed in rice production.
在当地生产条件下，施用0.05%浓度的药液对水稻可达到最佳的杀雄效果。
The best effection of killing male could be obtained with 0.05% male-Gametocide in local production condition.
从农业生产实际出发，对水稻田杂草群落演化原因及其趋势进行了综述。
The paper discusses the reason and trend of weed community evolution in paddy field.
从农业生产实际出发，对水稻田杂草群落演化原因及其趋势进行了综述。
The paper discusses the reason and trend of weed community evolution in paddy field.
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