稻草
护根物
灌溉
环境科学
水平衡
农业
节约用水
农学
用水效率
含水量
水分
产量(工程)
节约用水
土壤水分
农业工程
水资源管理
土壤科学
工程类
地理
材料科学
岩土工程
考古
气象学
冶金
生物
作者
Guoqiang Zhao,Zixi Zhu,Yan Zheng,Wensong Fang
摘要
Based on the relationship between water balance and crop-water, water-saving irrigation model was integrated with monitoring and prediction of soil moisture, forming a system of decision-making of irrigation. It is demonstrated that straw mulching for winter wheat is an effective way to reduce soil evaporation at early stages and increase yield and improve water utilization efficiency. Combination of water-saving irrigation and straw mulching plays an important role in China water-saving agriculture.
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