播种机在场地调试播量后,田间实际播种时,实际播种量并不一定完全符合预定要求。这是因为田间实际播种时播种机地轮的滑移率、种子的清洁度、地面的起伏等因素都对播量有影响。因此,播种机组开始在田间进行播种作业后,还应考查其实际播种量,当实际播种量与预定播量不符时,应及时调整。考查田间实际播种量的方法很多,现介绍一种简便易行的方法:将种子箱 Seeder sowing in the field debugging sowing, the actual field sowing, the actual sowing does not necessarily meet the predetermined requirements. This is because the sowing machine when the actual field sowing slip wheel speed, cleanliness of the seeds, the ground ups and downs and other factors have an impact on the sowing. Therefore, the sowing unit began sowing operations in the field, it should also check the actual seeding rate, when the actual sowing amount and the scheduled sowing does not match, it should be promptly adjusted. There are many ways to examine the actual seeding rate in the field. Now, we introduce a simple and convenient method: