Combining crop modelling with economic risk-analysis for the evaluation of crop management strategies

被引：10

作者：

Lansigan, FP

Pandey, S

Bouman, BAM

机构：

[1] INT RICE RES INST, MANILA 1099, PHILIPPINES

[2] DLO, RES INST AGROBIOL & SOIL FERTIL, NL-6700 AA WAGENINGEN, NETHERLANDS

来源：

FIELD CROPS RESEARCH | 1997年 / 51卷 / 1-2期

关键词：

rainfed lowland rice; Oryza sativa; simulation; stochastic dominance; agro-ecology; Philippines;

D O I：

10.1016/S0378-4290(96)01037-4

中图分类号：

S3 [农学（农艺学）];

学科分类号：

0901 ;

摘要：

An agro-ecological approach is presented for the evaluation of alternative management options for rice production in the light of farmers attitudes towards risk. The approach combined eco-physiological crop growth modelling with stochastic dominance theory and is illustrated for a case study of rainfed lowland rice in Victoria, Tarlac Province, the Philippines. The eco-physiological rice growth model ORYZA_W was used to estimate probability distributions of rice yields under different management scenarios. Relatively simple management options were considered for soils with different water storage capacities: plant density; seedling age at transplanting; bund height; and puddled soil depth. Stochastic dominance analysis was applied to identify risk-efficient management options. A critical appraisal of the proposed agro-ecological method for risk-analysis is given and suggestions are made for refinement and further research. (C) Elsevier Science B.V.

引用

页码：133 / 145

页数：13

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