论文部分内容阅读
春播前的整地工作.是关系着春作产量的首先环节。如何抓紧时间把这一种工作搞好,对于旱地的产量来说,是有决定性的意义的。不过,春播前的整地工作.是与秋季的整地工作紧密联系的。苏联土壤学家威廉斯特别强调这一点,他认为播种前的整地工作不过是用来补助秋耕的工作,这一点很要紧,否则,纵然完成了春播前的整地工作,而没有秋季的整地工作,也是得不到完美的效果的。春播前的整地工作包括耕地、耙地、耱地(或称盖地)等工作。
The preparation for spring before sowing is the first step in the production of spring. How to speed up this type of work in a timely manner is of decisive significance to the output of drylands. However, the site preparation work before spring sowing is closely linked with the land preparation work in autumn. This point was especially emphasized by the Soviet soil scientist Williams. He thought that the pre-planting land preparation work was only used to supplement the autumn plowing work. This is very important. Otherwise, even though the site preparation work prior to spring sowing was completed without the autumn land preparation work , But also can not get the perfect result. Land preparation work prior to spring sowing includes farming, harrowing, hilly land (or cover land) and other work.