紫云英回田对土壤肥力及水稻产量的影响

Effect on soil fertility and rice yield with returning Astragalus sinicus to field

摘要: 紫云英还田可以改善土壤理化性状，显著提升土壤肥力，改善水稻主要性状，每667m²水稻产量增加65~66 kg，经济效益增加45.5~48.5元。

Abstract: Returning Astragalus sinicus straw to field could improve soil physical and chemical properties, significantly increase the soil fertility and the main traits of rice plants, rice yield per 667 m² increased by 65-66 kg, increased economic benefits by 45.5-48.5 RMB Yuan.