试验研究了水稻在收获前、干燥过程中、干燥后存放和吸湿过程中的应力裂纹规律。
The rough rice may be fissured pre-harvest, in the drying process, after drying and in the moisture adsorbing environment.
将要认证的土地必须根据标准管理，根据NOP首次有机收获前3年内不得使用禁用物质。
Land to be certified according to NOP must be managed according to the standard, and must not have received prohibited sub stances during 3 years before the first organic harvest.
小麦收获前穗发芽问题不仅影响小麦的产量，而且严重降低品质，给小麦生产造成了严重的经济损失。
The Pre-harvest Sprouting of wheat will reduces the yield and quality and leds to loss on quiet economy in wheat production.
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