上党盆地不少社队每年秋耕后不耙地,坷垃暴露在地面,经风吹日晒,在冬前早已风干,冬季虽有积雪,但雪融后露出坷垃,春季打坷垃用工占到播前各种农活用工的11％,而且只能使地表坷垃减少,暗坷垃却无法破碎,常因此而造成缺苗断垅。消灭坷垃,是保证春播全苗的一项关键措拖。我们经过三年调查研究,初步摸清了当地坷垃形成的原因及解决途径。 Many communes in the Shangdang Basin do not rake after autumn plowing. They are exposed to the ground and are exposed to the wind and the sun. They have been dried in the winter before. However, although the snow accumulates in winter, Before the broadcast, about 11% of all kinds of farm laborers were employed, and only the surface rubbish could be reduced. However, they could not be crushed but often lacked seedlings. Kill rubbish, is to ensure that the spring seedlings a key measure to drag. After three years of investigation and study, we have initially figured out the causes and solutions to the formation of local garbage.