犂是用来耕地的。耕地时要求将土壤松碎、翻转,并且还要求深耕。松碎的土壤,可以储蓄较多的水分,使肥料容易分解。翻土可消灭杂草。深耕能增加松土层厚度,使作物根部能够充分发育,这样就可提高产量。在农业生产过程中,耕地从来就是很重要的。这次全国农具展览会上,各地劳动人民对犂作了很多改进,并且还创造了许多新型的犂。这些改进和创造,大大地提高了耕地的质量和效率。为了使犂的改革,能够进一步提高,下面的几个问 Plow is used for arable land. Requiring soil to be loosened, flipped during cultivation, and deep plowing is also required. Loose soil, can save more water, make fertilizer easy to break down. Turn soil to eliminate weeds. Deep plowing can increase the thickness of the loamy soil and allow crop roots to fully develop, thus increasing yields. Cultivated land has always been important in agricultural production. At the National Farm Machinery Exhibition, working people from all over the country made many improvements to plows and also created many new plows. These improvements and creation have greatly improved the quality and efficiency of arable land. In order to make the plow reform can be further improved, the following few questions