CAJ | 학술논문

渭北黄土台塬区是关中灌溉农业区的重要组成部分，近年来随着当地经济社会快速发展，生活用水、工业用水及生态用水不断增加，种植业灌溉用水受到显著影响，农业发展与水资源供需矛盾日趋突出.本文建立了以充分利用水资源、保障粮食安全、增加种植业产值和提高投资收益等为目标的模糊优化模型，测算了不同投入水平和粮食保障率下的优化方案，利用DEA进行方案优选，结果表明高资金投入(规划目标年种植业总资金投入水平为基期年的1.38倍)粮食供给型(粮食供给率为1.05)方案是该区种植结构优化调整的最佳方案.建议至2015年，研究区播种面积应提高18.8%(增加至52.16×104 hm2)，适当提高经济与饲料作物播种比例，将粮经饲作物的三元种植结构比例调整为64：31：5.
위북황토태원구시관중관개농업구적중요조성부분，근년래수착당지경제사회쾌속발전，생활용수、공업용수급생태용수불단증가，충식업관개용수수도현저영향，농업발전여수자원공수모순일추돌출.본문건립료이충분이용수자원、보장양식안전、증가충식업산치화제고투자수익등위목표적모호우화모형，측산료불동투입수평화양식보장솔하적우화방안，이용DEA진행방안우선，결과표명고자금투입(규화목표년충식업총자금투입수평위기기년적1.38배)양식공급형(양식공급솔위1.05)방안시해구충식결구우화조정적최가방안.건의지2015년，연구구파충면적응제고18.8%(증가지52.16×104 hm2)，괄당제고경제여사료작물파충비례，장량경사작물적삼원충식결구비례조정위64：31：5.
Rational use of water resources directly affects the productivity of land resources,and the development and utilization of land resources also affects the degree of efficiency of water use.With the worsening situation of agricultural water and the increasing demand of agricultural water,the adj ustment and optimization of region planting structure become one of the most important and effective measures to alleviate the conflict between region agricultural development and water shortages.The necessity of adj usting and optimizing region planting structure is more urgent especially in arid and semi-arid regions.The Loess Plateau region is an important part of the Guanzhong irrigated agricultural area.In recent years,with the rapid development of the local economy and society,domestic water,industrial water and ecological water increased rapidly.Crop irrigation water is significantly affected. Agricultural development and the contradiction between supply and demand of water resources has become increasingly prominent.This paper established the planting structure multi-obj ective fuzzy optimization model,which aim to make full use of water resources,ensuring the food security,increase crop output and improve the return on investment and so on,and measured the optimization programs at different input levels and food security levels,and used the data envelopment analysis (DEA)model to evaluate input-output efficiency values of the optimization programs.High capital investment can improve the efficiency of input and output,high capital investment is better than that of low capital investment.With increased investment in water and soil resources,more money to invest in local advantages crops,planting each benefit significantly improve the efficiency per unit of land is higher than the low level of capital investment,and return on capital investment also increased.The results showed that the type of high capital investment and food supply program is the best program for planting structure optimization in the Loess Tableland Area.Through analyzing different optimization scheme and comparing with situation in planting structure,to the Loess Tableland Area is put forward the following suggestions.First,the area sown in the study area should be increased by 18.8% in 2015(increased to 52.16×104 hm2 ).Second,increasing economic and forage crop planting proportion,food crops,cash crops and forage crop proportion of ternary planting structure adj ustment for 64:31:5.Third,keeping the sustained increase in agricultural investment and increasing by 37.8% based on the investment in 2010 to achieve the objective of maximizing the overall efficiency of region.