Method and device for early warning of farmland ecological environment

Abstract

The invention relates to a method and a device for early warning of a farmland ecological environment. The method comprises the steps of constructing a farmland ecological environment quality prewarning index system, and determining the prewarning index; determining the standard value and the weight of the prewarning index; obtaining the prewarning index by utilizing the measured value or statistical value of the prewarning index and the standard value of the prewarning index; determining the prewarning total index by utilizing the prewarning index and the weight; through a prewarning model, determining the prewarning type by utilizing the prewarning total index; and performing early warning on the farmland ecological environment according to the prewarning type. According to the technical scheme, the mode of incomprehensive index investigation, low efficiency and poor reliability is developed into a mode of high-efficiency, real-time and accurate monitoring and prewarning technology, the precision of monitoring the type, amount and concentration of pollutants of the farmland soil can be obviously improved, and the land utilization rate and farmland ecological safety can be improved.

Description

technical field [0001] The invention relates to the field of early warning technology, in particular to a method and device for early warning of farmland ecological environment. Background technique [0002] The farmland ecosystem is an ecosystem controlled by humans, with crops as the main component and soil as the basis, and agricultural production as the main goal. With the rapid economic development and the rapid increase of population, various ecological and environmental problems have arisen as the times require, and agricultural ecological problems, especially farmland ecological problems, are prominent. For example, the reduction of cultivated land resources, the decline in quality, the shortage of reserve cultivated land, the destruction of vegetation lead to soil erosion, desertification, soil salinization, and serious soil acidification. Organic pollutants have seriously exceeded the standard, causing serious soil pollution in farmland, and some agricultural basi...

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Problems solved by technology

[0010] Some of the grading evaluation standards used in this method are obtained through experiments. Due to the influence of regional differences, this method can only be applied to local areas, and the accuracy will be significantly reduced after changing the area.

Secondly, the system failed to use network technology and WebGIS methods for development, the data transmission efficiency is low, the popularity is poor, and it does not conform to the development direction of information technology

[0011] At present, there is no technology and method based on WebGIS technology in Xinjiang to monitor the ecological environment of cotton fields and make early warning and safety evaluation systems. The existing technical methods are not enough to meet the actual conditions of cotton fields in the oasis area. Cotton in the oasis area continues to maintain high yield, high quality and high efficiency, which has become a bottleneck to promote sustainable agricultural development in Xinjiang

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