论文部分内容阅读
松嫩平原西部分布着大面积沙化盐化的中低产耕地土壤,根据当地草木樨第二年的鲜草的数量与质量都好于当年的特点,实行小麦与草木樨混播,次年翻压绿肥复种大豆,第三年种玉米或杂粮。三年粮肥轮作试验取得了不占季发展绿肥而改土培肥增产增收的效果。
According to the quantity and quality of fresh grass in the second year of local shrubs, the quantity and quality of fresh grass are better than that of the year, and the mixture of wheat and grass shrubs is mixed, the next year greening fertilizers Multiple cropping of soybeans, third year corn or cereals. Grain and fertilizer for three years made a trial did not account for seasonal development of green manure and soil fertility increase yield effects.