The nutrient requirements by the crabs might be provided basically and the survival rate did not decrease obviously when they were fed every other day or more than 80% satiation.
当日投饵宁大于饱喂组的80%或隔天投喂足量饵料,则可基本满足蟹的摄食需求,对其群体的成活率没有明显的影响;
The increasement of double ears and the decrease of empty stalk were main reason for obtaining high yield because their agronomical characters did not obviously changed.
增产的主要贡献是双穗率提高,空秆率下降——每公顷有效穗数的增加。
The increasement of double ears and the decrease of empty stalk were main reason for obtaining high yield because their agronomical characters did not obviously changed.
增产的主要贡献是双穗率提高,空秆率下降——每公顷有效穗数的增加。
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