现有的调整播种机播量的方法是笨的、复杂的。为了量轮缘长度,需要有尺子;需要有天平平(带法码的);需要将播种机架起,下面铺以帆布或麻袋。这些东西手边不一定经常有,特别是在田间。因此,播种机的播量通常是由农学家来调整。他将量度槽轮工作部分的样板交给播种手,以便在工作中进行检查。但是当样板丢失时,还得从新调整。农学家常常是照顾两个生产队,每个队都有几台播 The existing methods of adjusting the sowing rate are stupid and complex. In order to measure the length of the rim, the need for a ruler; need to have a day of balance (with a legal code); need to sow the racks, covered with canvas or sack below. These things may not always be on hand, especially in the field. Therefore, seeder sowing is usually adjusted by agronomists. He handed over to the sowing hands a sample of the working part of the sheave for inspection at work. But when the model is lost, you have to re-adjust. Agronomists often take care of two production teams, each with a few broadcasts