问:选择什么茬口的地块种植谷子好?答:根据不同前茬作物对土壤环境的影响以及谷子对土壤条件的要求,谷子最好的前茬作物依次为豆类、马铃薯和甘薯、麦类、玉米、高粱等。由于豆科作物的固氮作用,土壤中氮素营养较多,杂草少,所以,豆类茬具有深翻基础和很好的耕层结构。马铃薯和 Q: Which stubble plots to choose to grow millet? A: According to the impact of different stubble crops on the soil environment and millet on the soil conditions, the best stubble crop of millet followed by beans, potatoes and sweet potatoes, wheat , Corn, sorghum and so on. Due to the nitrogen fixation effect of leguminous crops, the nitrogen in the soil is more nutritious and less weeds. Therefore, the stubble of the beans has deep plowing foundation and good topsoil structure. Potato and