土壤肥沃才能长好庄稼，反之则作物生长不良。但农户没有土壤速测箱，也无化验条件，那么，怎样去识别土壤的肥瘦呢？看土壤颜色肥沃土壤其颜色都比较深，呈黑色或灰黑色，而瘦土土色较浅，呈黄色或淡黄色。看耕层深浅耕层深的土壤较肥，耕层过浅的土壤较瘦。看土壤酥黏用... Fertile soil to grow good crops, otherwise poor crop growth. However, farmers do not have soil fast test box, there is no laboratory conditions, then, how to identify the fat and fat soil? See the color of soil fertile soil its color is relatively deep, black or gray black, while the lean soil color is shallow, yellow or light yellow. See the depth of the topsoil deep soil more fat, too shallow topsoil thinner. See soil sticky with ...