适当的早播或晚播可以降低稻米垩白度；
Rice chalkiness degree decreased in timing early or late sowing.
灌水、重肥与早播处理棉株根重、地上部重及籽棉产量等均增加。
The weight of roots and above ground parts and the seed cotton yield increased at irrigation, more fertilizer applied or early sowing conditions.
早稻不催芽直播育秧，抗寒力强，成秧率高，可早播、早插、早熟和省工、省种。
The technology of non pregermination and direct seeding of early rice has good growing charactristics such as high capability of cold tolerance and high rate of seedling.
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