穴距是影响水稻播种机精密播种质量的主要因素。
Seed spacing is the key factor of the effects on the quality of precision drilling.
改进后的机器减少了操作人数和种土分离的作业量，提高了播种质量。
After improved, the number of operators wais reduced and the separating between seeds and soil would get easy; and the seeding quality was quite good.
通过对该装置进行排种试验，得出了影响排种速度的因素，确定了提高播种质量的实验方案。
Feeding experiment is done on this feeding device, and by experiment analysis the factors affect feeding speed are got, and the experiment exam of seeding quality is gained.
精密播种机的监测系统是现代精播机的一个重要组成部分，其性能的好坏将影响精密播种质量。
Seeding monitoring system is an important component of present precision drill and its function directly affects the quality of precision seeding.
对于旱地小麦，利用可调翼铲式深松机深松后，可以增加播种前土壤含水量，改善播种质量，提高作物产量；
For dryland wheat, subsoiling operation could increase pre planting soil moisture, improve sowing quality and the yield could be increased by 10% compared with conventional tillage.
小麦收获前穗发芽不仅影响产量，而且严重影响加工品质、粮食存储及下年的播种质量，造成不同程度的经济损失。
Pre-harvest sprouting of wheat not only results in decreasing of grain yield but also affects flour quality and seed value next year and so on.
小麦收获前穗发芽不仅影响产量，而且严重影响加工品质、粮食存储及下年的播种质量，造成不同程度的经济损失。
Pre-harvest sprouting of wheat not only results in decreasing of grain yield but also affects flour quality and seed value next year and so on.
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