【摘要】 本文从实验和理论两方面分析了排种方向对精量播种时株距均匀性的影响,指出横向排种可提高株距的均匀性.更多还原

【Abstract】 By experiment and applying the theory of motion the effect of the seed-dropping direction of a precision drill on its seed spacing uniformity Was analysed and the advantages of dropping the seeds across was pointed out.更多还原