现在中耕机应用的箭形和平切的锄齿,常常不能切涂杂事,严重地翻动土壤,工作后留下一条深沟。至于浅中耕(深度5—6公分)。箭形锄齿就不适用。对于中耕作物的中耕,照例采用平切锄齿(刮刀)。这种锄齿虽然能够浅耕土壤。不翻动土壤,可是在干旱条件下,尤其是在重壤土和中壤土上,不能切断草根。并且没有把土疏松,只是刮破 Right now, the arrow-shaped and flat-cut hoe teeth of the cultivator are often incapable of chopping the ground, turning the soil seriously and leaving a deep trench after work. As shallow cultivation (depth of 5-6 cm). Arrow-shaped hoe tooth does not apply. For cultivated land cultivator, as usual, flat cut hoe tooth (scraper). Although this hoe can be shallow soil. Without turning the soil, however, the grass roots can not be cut off under dry conditions, especially on heavy loam and medium loam. And did not loose the soil, just scratch