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[1]ZHANG He-xi,CHI Dao-cai,WANG Yong-tao,et al.Evaluation on Suitability of Water Production Functions to Maize in Central Area of Guizhou Province[J].Research of Soil and Water Conservation,2013,20(03):176-179.

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Evaluation on Suitability of Water Production Functions to Maize in Central Area of Guizhou Province

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 20 Number of periods: 2013 03 Page number: 176-179 Column: Public date: 2013-06-28

Title:: Evaluation on Suitability of Water Production Functions to Maize in Central Area of Guizhou Province

Author(s):: ZHANG He-xi^1,2, CHI Dao-cai¹, WANG Yong-tao², LIU liu²; 1. College of Water Resources, Shenyang Agricultural University, Shenyang, 110161;
2. Guizhou Academy of Hydraulic Sciences, Guiyang, 550002

Keywords:: central area of Guizhou Province; maize; water production function; evaluation

CLC:: S274.1

DOI:: -

Abstract:: To explore the corn water production function suitability in central Guizhou, we combined with the test data of water consumption and maize yield under different irrigation treatments, and 5 kinds of water production function models including Jensen model, Minhas model, Blank model, Stewart model and Singh model are compared and analyzed. The results show that sequence λ_i of multiplication model Minhas model and maize water physiological characteristics do not match each other, the A_i of the addition of Blank model is the highest in the second stage, for the Stewart model, the B_i is the highest at 2 stage > 4 stages, at stage 3 and stage 5, the C_i in Singh model begins to turn to negative, which conflicts with the physiological characteristics of water and irrigation practice of corn, but calculating the water phase sensitive sequence and the corn moisture physiological characteristics and practical experience to irrigation by using Jensen model are accorded, Therefore, we determine that Jensen model is the most suitable model for corn water production function in central Guizhou.

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