轮作和不同施肥措施对春玉米生长、产量和水分利用影响.PDFVIP

30 2 Vol.30, No.2 2010 4 Bulletin of Soil and Water Conservation Apr., 2010 　 、 1, 2 1 3 1 张益望 , 刘文兆, 王 俊, 杨玉玲 (1. , 712100; 2. , 100049;3. , 710127) 　:24 a , 2007 、 。 , , , , (CT)、; (RT), 、:RT—NPMRT—NPK RT—NP; ;0—300 cm , , :CT—NPM RT—NPM RT—NPK RT—NP;, ;, RT—NPM , RT—NP RT—NPK 。 :;;;;; :A 　　　　　　:1000-288X(2010)02-0124-05　 :S513.06 Effects of Long-term Rotation and Fertilization on the Growth, Yield and Water Use of Spring Maize 1,2 1 3 1 ZHANG i-wang , LIU Wen-zhao , WANG Jun , ANG u-ling (1.Institute of Soil and Water Conversation, CAS MWR, and Northwest Sci-Tech University of Agriculture and Forestry, Yangling, Shaanxi 712100, China;2.raduateSchool of the Chinese Academy of Sciences, Beij ing 100049, China; 3.Departmentof Urban and ResourceScience, Northwest University, X ian, Shaanxi 710127, China) Abstract:Based on 24 year rotation and fertilizer experiments, the effects of rotation and fertilization on the grow th, yield and water consumption of spring maizewere studied.Results showed that at the same fertiliza- tion level, leaf area, yield, and biomass of continuous cropping maize were higher than rotation treatment. Under the same rotation conditions, RT —NPM had the highest leaf area, yield, and biomass, RT —NPM was the second, and RT —NP was the lowest. ield and biomass of the three treatments were significantly different.The averaged soil water content in 0—300 cm layer decre