QUADRATIC-PROGRAMMING METHOD FOR DETERMINING OPTIMUM NITROGEN RATES FOR WINTER-WHEAT DURING TILLERING

被引:7
作者
BAETHGEN, WE
TAYLOR, DB
ALLEY, MM
机构
[1] VIRGINIA POLYTECH INST & STATE UNIV,DEPT AGR ECON,BLACKSBURG,VA 24061
[2] VIRGINIA POLYTECH INST & STATE UNIV,DEPT AGRON,BLACKSBURG,VA 24061
[3] INT FERTILIZER DEV CTR,DIV AGROECON,MUSCLE SHOALS,AL 35660
关键词
D O I
10.2134/agronj1989.00021962008100040002x
中图分类号
S3 [农学(农艺学)];
学科分类号
0901 ;
摘要
引用
收藏
页码:557 / 559
页数:3
相关论文
共 5 条
[1]  
ALLEY MM, 1986, MAR P MAX WHEAT YIEL
[2]   OPTIMIZING SOIL AND FERTILIZER NITROGEN USE BY INTENSIVELY MANAGED WINTER-WHEAT .2. CRITICAL LEVELS AND OPTIMUM RATES OF NITROGEN-FERTILIZER [J].
BAETHGEN, WE ;
ALLEY, MM .
AGRONOMY JOURNAL, 1989, 81 (01) :120-125
[3]  
BAETHGEN WE, 1985, AGR ABSTR ASA, P165
[4]  
SCHRAGE L, 1984, LINEAR INTEGER QUADR
[5]   DECIMAL CODE FOR GROWTH STAGES OF CEREALS [J].
ZADOKS, JC ;
CHANG, TT ;
KONZAK, CF .
WEED RESEARCH, 1974, 14 (06) :415-421