Abstract：In order to explore a compensatory effect of crops after encountering drought stress and then rehydration, the change of growth, yield and water use efficiency of Cassava under alternate different irrigation amount modes was studied. Five water treatment modes were designed in this experiment,i.e. three conventional watering treatments: T1, T2, T3(every time the irrigation amount of 10 mm, 20 mm, 30 mm, respectively), two alternate watering treatments: T4(repeated alternate two kinds of combined irrigation amount as 10 mm or 20 mm), T5(repeated alternate two kinds of combined irrigation amount as 10 mm or 30 mm). Results show that compared to T2 treatment, T5 treatment significantly increased total leaf area, total dry mass, yield, total water use efficiency by 31.1%, 20.3%, 64.6% and 114.0%, respectively. Compared to T3 treatment, T5 treatment saved irrigation water by 33.3%, the total dry mass reduced a little, but the root mass, total water use efficiency and yield significantly increased by 11.2%, 119.0% and 13.3%, respectively. Therefore, T5 treatment is the best mode to improve yield and water use efficiency of Cassava in greenhouse.
赵馀, 杨启良, 王亓剑, 刘小刚, 王卫华. 不同水量交替灌溉对木薯产量和水分利用的影响[J]. 排灌机械工程学报, 2016, 34(8): 715-721.
ZHAO Yu, YANG Qiliang, WANG Qijian, LIU Xiaogang, WANG Weihua. Effects of alternate different irrigation amount modes on yield and water use efficiency of Cassava. Journal of Drainage and Irrigation Machinery Engin, 2016, 34(8): 715-721.
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