Effects of Supplemental Irrigation Based on Measuring Soil Moisture on Water Use Characteristics and Grain Yield of Wheat
Wu Fuxue
Sun Huimin
Li Haiyan
Wu Changlu
Liu Shunian
Su Xiaozhou
Yu Zhenwen
Shi Yu
Abstract：In the wheat growing seasons of 2014-2015 and 2015-2016,taking wheat cultivars Fengchuan 6 and Fengchuan 9 as materials,5 irrigation treatments were designed in field,including no irrigation during the whole growth stage (W0),local traditional irrigation (Wck),supplemental irrigation to make the moisture content of 0 ～40-cm soil reach 70％ (W70),75％ (W75),80％ (Ws0) at jointing and anthesis stages,respectively.The effects of different soil moisture treatments on water use characteristics and grain yield of wheat were studied.The results showed that compared with Wck,W75 showed lower irrigation amount,higher soil water consumption and higher proportion in the total water consumption.The soil water consumption amount of 20 ～ 160-cm soil layer of W75 was significantly higher than that of Wck,which showed that W75 promoted the deep soil water absorption of wheat.According to the two-year experiments,W75 had higher grain yield,water use efficiency and irrigation water production efficiency,thus it was the best treatment with high yield and water conservation under the experimental conditions.
Keywords：WheatSupplemental irrigation based on measuring soil moistureSoil water consumptionGrain yield
Publication Date：2017-10-01
Online Publishing Date：2026-05-22(First online date of this platform, not the publication date of the document)
Pages：4( 23-26 )