Fertilization model and economic analysis for water-saving wheat
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DOI：10.7606/j.issn.1000-7601.2005.06.12
Key Words: winter wheat  model  high-production and high-efficiency  fertilization amount
Author NameAffiliation
LIU Zheng-xue Linyi Institute of Agricultural Sciences，Linyi，Shandong 276012，China 
LIU Fei Linyi Institute of Agricultural Sciences，Linyi，Shandong 276012，China 
LI Bao-qiang Linyi Institute of Agricultural Sciences，Linyi，Shandong 276012，China 
WANG Jing Linyi Institute of Agricultural Sciences，Linyi，Shandong 276012，China 
ZHU Xin-liang Linyi Institute of Agricultural Sciences，Linyi，Shandong 276012，China 
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Abstract:
      The interrelationships between the 3 fertilizer factors （ N，P2O5 and K2O） and the yield， economic benefit and cost of saving-water wheat were studied by the experiment design of orthogonal rotation combination．The results showed that to increase the application rate of nitrogen and phosphorous fertilizers was the key measurement in the high-production and high-efficiency optimal cultivation of winter wheat．The reasonable fertilization combination was N 259．26～318．84kg／hm2，P2O5121．52～154．61kg／hm2，and K2O 71．42～130．22kg／hm2．Moreover，the fertilization prescription and amount in connection with different conditions was analyzed from the aspect of economy and technology．
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