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- W2377191862 abstract "In the production of field crops,pesticides are often applied to fields to control pests,including crop diseases,pest insects and weeds.With society caring more and more about the safety of the environment and people's health,traditional pesticide-based pest-control is facing a challenge.It is widely accepted that making pest control decisions more scientifically is one way to reduce pesticide use in crops.The analytical hierarchy process(AHP) is a flexible modeling methodology that has been applied in a wide range of planning and decision-making environments.It offers the ability to structure a problem in hierarchical form as viewed by the decision-makers.The method permits either subjective or objective evaluation,allowing for consideration of intangible and qualitative factors,and thus it facilitates assessment of relevant criteria critically and logically to assist in making sensible decisions.After investigation and analysis of the practice of pesticide application in the rice fields of the Agricultural Experimental Zone of Shanghai(Songjiang district),AHP was applied to evaluate 4 alternative pest-control strategies.Comprehensive Profits(CP) and Comprehensive Costs(CC) of the pest-control strategies were used as the targets of AHP,in which Comprehensive Profits were classified into economic,social and ecological profits,while Comprehensive Costs were split into economic,social and ecological costs.Ratio of Cost to Profit(RCP) was calculated by dividing Comprehensive Costs(CC) by Comprehensive Profits(CP).In using the AHP to model this problem,we developed a hierarchic structure(four levels: goal,criteria,sub-criteria,and alternatives) to represent the problem and made pairwise comparisons.The judging matrices were developed,and tests of coherence were carried out.Then corresponding contributions of the control measures to CC and CP were calculated,and each control measure's contribution to the CC was divided by its contribution to the CP to evaluate the measure's contribution to RCP.According to the analysis,the best strategy was to apply pesticides 5 times(at the active ingredient rate of 2.23kg·hm~(-2)) during the whole period of rice growth and to use a frequency vibration lamp to attract and kill pests.The second best strategy was to apply pesticides 3 times(at the active ingredient rate of 1.52kg·hm~(-2)) along with using the frequency vibration lamp.The implementation of the AHP in this case demonstrates its usefulness as a tool to evaluate pest-control strategies in crops." @default.
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- W2377191862 date "2005-01-01" @default.
- W2377191862 modified "2023-09-28" @default.
- W2377191862 title "Application of the analytic hierarchy process to pest management in the rice fields of Shanghai City" @default.
- W2377191862 hasPublicationYear "2005" @default.
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