THE VALUE OF PEST INFORMATION IN A DYNAMIC SETTING - THE CASE OF WEED-CONTROL

被引:25
作者
SWINTON, SM [1 ]
KING, RP [1 ]
机构
[1] UNIV MINNESOTA, DEPT AGR & APPL ECON, ST PAUL, MN 55108 USA
关键词
BIOECONOMIC MODEL; INTEGRATED PEST MANAGEMENT; SCOUTING; STOCHASTIC SIMULATION; YIELD RISK;
D O I
10.2307/1243918
中图分类号
F3 [农业经济];
学科分类号
0202 ; 020205 ; 1203 ;
摘要
The value of weed scouting information for soil-applied and post-emergence weed management is estimated using a dynamic, whole-farm, stochastic simulation model. The model simulates outcomes of four expected utility functions from management strategies using three levels of weed information. Results from a representative Minnesota com and soybean farm indicate high value of weed seedling counts (for post-emergence control) but relatively low value of weed seed counts (for soil-applied control). While herbicide use is often reduced under information-based management, this is not always the case.
引用
收藏
页码:36 / 46
页数:11
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