上海果園土壤質(zhì)量分析與評價.pdf

1、上海交通大學碩士學位論文上海果園土壤質(zhì)量分析與評價姓名：沈秋光申請學位級別：碩士專業(yè)：農(nóng)業(yè)推廣指導教師：陸貽通200506016 Analysis and Evaluation of Soil Environmental Quality of Orchards in Suburb of Shanghai ABSTRACT 31 orchards of Shanghai were surveyed and evaluated by s

2、ynthetical method, which integrated strict control index and general control index, adopted corresponding regional, national and trade standard. Analysis indicated that soil environmental quality of orchards was good as

3、a whole. 2 orchards reached producing environmental standard of safe, healthy, high quality farm outputs, accounting for 6.45%; 21 orchards won Standard of environmental technical terms for green food production area , a