A new type of soil cover machine in raising rice seedlings was designed in view of the actuality of scattered rice seedling in Dandong so as to improve the performance of these tools.
为提高水稻育苗覆土机构的实用性，根据丹东地区分散育苗的特点，设计了一种新型水稻苗床育苗覆土机构。
Climatic and seedling raising patterns are the key factors for the occurrence and widespread of rice downy mildew.
气候条件与育秧方式是水稻霜霉病发病与传播的关键因素。
Seedbed soil fertilizing is one of the key measures for raising mechanical transplanting rice seedling.
床土培肥是培育水稻机插秧苗的首要措施。
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