摘要
阐述了盐渍化土壤的营养障碍因素及其对作物、蔬菜、林木等的危害程度、盐渍化土壤中N、P、K以及微量元素的养分状况与土壤盐分效应、施肥效应和施肥技术等;重点探讨了磷石膏作为化学改良剂应用于盐渍化土壤的前景及存在的问题;简介了北方盐渍化土壤的K素发展趋势及K肥效应,并展望了今后研究的方向。
Studies on the nutrition, fertilizer and their effects in saline soils are summarized in this paper , especial-ly the effects of nitrogen, phosphorus, potassium and micro-elements on the crops, vegetables and forests grown in saline soils. Soil chemical agent was emphasized in this study. Expectations for researching saline soils were put forward.
出处
《中国生态农业学报》
CAS
CSCD
2001年第2期79-81,共3页
Chinese Journal of Eco-Agriculture
