Method for calculating potential of water and land resources of regional agriculture

Abstract

The application discloses a method for calculating potential of water and land resources of regional agriculture. The method comprises the steps of: obtaining agricultural water resource quantity, a utilization coefficient of irrigation water, soil type, agricultural acreage, a crop plant structure, meteorological factor data and main crop water demand data of a region to be calculated; calculating a matching index of current water and land resources of the region to be calculated, and calculating current regional production capacity according to the obtained data; building a multi-target water and land resource optimization configuration model of the region to be calculated; solving a water and land resource optimization configuration result of the region to be calculated by the multi-target water and land resource optimization configuration model, and calculating the regional production capacity at the optimal water and land resource matching index according to the water and land resource optimization configuration result; calculating a difference value between the regional production capacity at the optimal water and land resource matching index and the current regional production capacity, and obtaining the potential of agricultural water and land resources of the region to be calculated. Therefore, the matching situation of the water and land resources in the region can be reflected, and help can be offered to scientific configuration of the water and land resources.

Description

technical field [0001] This application relates to the field of agricultural water and soil engineering, in particular to a method for measuring and calculating the potential of regional agricultural water and soil resources. Background technique [0002] At present, due to the shortage of water resources and the conversion of a large amount of arable land from agricultural to non-agricultural land, the state has increased investment in water-saving agriculture and land consolidation projects, especially in the arid and semi-arid areas of northern my country, where land use potential is limited by the potential of local water resources. At this stage, some places often lack comprehensive consideration of the local water resource potential and land potential, and blindly develop irrigated farmland areas, thereby exacerbating the deterioration of the local ecological environment. [0003] In the existing technology, the potential of water resources and the potential of land res...

AI Technical Summary

Problems solved by technology

[0002] At present, due to the shortage of water resources and the conversion of a large amount of arable land from agricultural to non-agricultural land, the state has increased investment in water-saving agriculture and land consolidation projects, especially in the arid and semi-arid areas of northern my country, where land use potential is limited by the potential of local water resources. At this stage, some places often lack comprehensive consideration of local water resource potential and land potential, and blindly develop irrigated farmland area, thus exacerbating the deterioration of local ecological environment

[0003] In the existing technology, the potential of water resources and the potential of land resources are measured and calculated separately. This often neglects the other, and it is difficult to meet the actual needs of regional planning, management, design and other departments. Resource potentials are separated from each other, and it is difficult to express quantitatively to form a complete measurement system of agricultural water and land resources potential. The existing measurement methods cannot carry out scientific planning of water and soil resources in the region, and it is difficult to carry out scientific planning of national human, financial, material and other resources. scientific configuration

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