【摘要】 对关中灌区水土资源和农作物水土生态需求进行分析 ,以期在区域水土资源开发利用中 ,促使水资源与土地资源关系趋于平衡 ,使利用效率和效益达到最佳状态。为此 ,对关中灌区土地资源进行了评价与分等 ,对主要作物水土生态需求规律进行了论述与分析 ,提出了水土资源和各类作物协调与合理利用优化配置的思路更多还原

【Abstract】 Taking the Guanzhong irrigating region for an example the crop ecological demand of soil and water resources were analysised in order to make the balance of the soil and water resources and best promote its utilization and its production efficiency in regional soil water exploitation and utilization.Firstly,the soil and water resources were evaluated and classified;secondly the regular pattern of the crop ecological demand were discussed;finally the countermeasures of coordinating between soil water resources and crops and the optinum thought of its utilization were suggested.更多还原