Comprehensive Resources for Agriculture: Topical Questions, Past Papers, and Answers
Atika School
Economic Injury Level of a Pest: Determining the Threshold for Pest ControlDefine the term ‘economic injury level of a pest
Detailed Answer: Economic Injury Level of a Pest The term "economic injury level" refers to the point at which the damage caused by a pest surpasses the tolerance level of a crop, necessitating the implementation of control measures. It is the pest population density or infestation level at which the cost of the damage inflicted on the crop outweighs the cost of implementing pest control measures. The economic injury level serves as a threshold or trigger point for farmers and pest management professionals to determine when it becomes economically justifiable to intervene and control the pest population. This level is determined by considering several factors, including the crop's value, market prices, yield potential, the cost of control measures, and the potential damage caused by the pest. When the pest population reaches or exceeds the economic injury level, the damage inflicted on the crop becomes significant enough to cause economic losses. At this point, it is no longer feasible to tolerate the pest population and take no action. Instead, control measures must be implemented to prevent further damage and reduce economic losses. The economic injury level is essential for making informed decisions regarding pest management. It helps farmers determine the most appropriate time to initiate control measures and select the most cost-effective and efficient methods for pest control. By taking action at the economic injury level, farmers can prevent excessive crop damage, protect their yields, and maximize their economic returns. In conclusion, the economic injury level of a pest is the point at which the damage caused by the pest exceeds the tolerance level of the crop, necessitating the implementation of control measures. It serves as a threshold for determining when it becomes economically justifiable to intervene and combat the pest population in order to minimize economic losses.
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