华北山区农作物种植结构的时空分布研究

Research on the Temporal and Spatial Distribution of Crop Planting Structures in Mountainous Areas of North China

摘要: 在我国的华北山区，耕地类型多样且分布零散、农作物种植种类多，因此合理选种与优化种植可提升管理效率，减少各种不确定因素可能造成的种植风险。建立以农作物种植的时空限制为约束条件，销售利益为目标函数的线性规划模型，利用此模型，可得出不同销售情况下各地域的时空演变趋势和最佳种植方案，实现各类作物种植结构最优化，可为山区农业可持续性发展提供方向，对实现农业资源可持续利用具有重要意义。

Abstract: In the mountainous areas of North China, there are diverse types of cultivated land that are scattered, and a wide variety of crops are planted. Therefore, rational selection of seeds and optimization of planting can improve management efficiency and reduce planting risks that may be caused by various uncertain factors. A linear programming model is established with the temporal and spatial constraints of crop planting as the constraint conditions and sales profit as the objective function. By using this model, the temporal and spatial evolution trends of different regions under different sales situations and the optimal planting plan can be obtained, realizing the optimization of the planting structure of various crops. This can provide a direction for the sustainable development of mountainous agriculture and is of great significance for the sustainable utilization of agricultural resources.