低丘红壤南酸枣与花生复合系统种间水肥光竞争的研究——Ⅳ.南酸枣与花生利用N素养分探析  

Competition of water,fertilizer and light between Choerospondias axillaries trees and peanut in the low hilly land of red soil—Analysis on using rate of N of Choerospondias axillaries trees and peanut.

作　　者：翟进升[1] 王明珠[2] 张斌[2] 王兴祥[2] 

机构地区：[1]安徽阜阳师范学院生物系,阜阳236032 [2]中国科学院南京土壤研究所,南京210008

出　　处：《中国生态农业学报》2006年第2期82-84,共3页Chinese Journal of Eco-Agriculture

基　　金：国家自然科学基金项目(49701008);区域治理攻关项目(2001BA508B15);INTERNATIONALATOMICENERGYAGENCY(D1-CPR-10407)和INTERNATIONALFOUDATIONFORSCIENCE(D/2872-1)项目资助

摘　　要：用15N研究了花生与南酸枣复合系统中两者N素利用率及其对产量与生物量的影响,并分析了N素养分在水肥光竞争诸因子中的作用。Using rate of N by tSN tracer isotope and the influence on the yield and biomass of Choerospondias axillaries trees and peanut in their agroforestry system are studied and the function of N nutrient is analyzed in the competition of various factors such as light energy, water, N nutrient.

关 键 词：农林复合 N素养分 水肥光竞争 

分 类 号：S665.1[农业科学—果树学] N94[农业科学—园艺学]