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微纳米气泡增氧灌溉对双季稻需水特性及产量的影响

作  者:
才硕;时红;潘晓华;刘方平;谢亨旺;许亚群;徐涛;曹娜
单  位:
江西农业大学作物生理生态与遗传育种教育部重点实验室;江西省灌溉试验中心站
关键词:
微纳米气泡;增氧灌溉;节水;增产;双季稻
摘  要:
为探究微纳米气泡增氧灌溉技术对水稻节水增产的综合影响,以陆两优996和天优华占为双季早、晚稻试验材料,研究了不同施氮水平下微纳米气泡增氧灌溉对双季稻需水特性、产量及产量构成因素的影响。结果表明,微纳米气泡增氧灌溉处理的灌水量、排水量和耗水量均低于常规水灌溉处理,早、晚稻水分利用效率(耗水量)分别提高7.78%和8.37%,降雨利用效率分别提高6.03%和24.58%,产量分别提高4.05%和3.35%。同时,微纳米气泡增氧灌溉具有良好的节肥效果。
译  名:
Effects of Micro-Nano Bubble Aerated Irrigation on Water Requirement Characters and Yield of Double Season Rice
作  者:
CAI Shuo;SHI Hong;PAN Xiao-hua;LIU Fang-ping;XIE Heng-wang;XU Ya-qun;XU Tao;CAO Na;Jiangxi Irrigation Experiment Central Station,the Key Laboratory of Agricultural Efficient Water-saving and Non-point Source Pollution Preventing of Jiangxi;Key Laboratory of Crop Physiology,Ecology and Genetic Breeding,Ministry of Education,Jiangxi Agricultural University;
关键词:
micro-nano bubble;;aerated irrigation;;water saving;;yield increase;;double season rice
摘  要:
In order to study the comprehensive effect of micro-nano bubble aerated irrigation on water-saving and yield-increase of rice,under the different nitrogen levels,a field experiment was conducted to study the effects of micro-nano bubble aerated irrigation on water requirement characteristics,yield and yield composition of the early rice Luliangyou 996 and the late rice Tianyouhuazhan. The results indicated that compared with conventional irrigation,micro-nano bubble aerated irrigation reduced the irrigation amount,water discharge and water consumption and increased the water use efficiency by 7.78% for early rice and 8.37% for late rice. The utilization rate of rainfall was enhanced by 6.03% and 24.58%,and the yield was increased by 4.05% and 3.35% for early rice and late rice,respectively. Moreover,the micronano bubble aerated irrigation had a well fertilizer-saving.

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