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[1]TANG Guang-mu,HE Hong,YANG Jin-yu,et al.Effect of Irrigation Quota on Physiological Characteristic and Yield in Drip Irrigation under Mulch of Maize[J].Research of Soil and Water Conservation,2014,21(03):293-297.

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Effect of Irrigation Quota on Physiological Characteristic and Yield in Drip Irrigation under Mulch of Maize

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 21 Number of periods: 2014 03 Page number: 293-297 Column: Public date: 2014-06-28

Title:: Effect of Irrigation Quota on Physiological Characteristic and Yield in Drip Irrigation under Mulch of Maize

Author(s):: TANG Guang-mu¹, HE Hong², YANG Jin-yu¹, XU Wan-li¹; 1. Institute of Soil and Fertilizer and Agricultural Sparing Water, Key Laboratory of Oasis Nutrient and Efficient Utilization of Water and Soil Resources, Xinjiang Academy of Agricultural Sciences, Urumqi 830091, China;
2. National Engineering Techanical Research Center of Cotton, Urumqi 830091, China

Keywords:: irrigation; drip irrigation under mulch; physiological characters; yield

CLC:: S274.1;S513

DOI:: -

Abstract:: A study on physiological characters and yield index of maize by the different irrigation quota in drip irrigation under mulch was conducted in order to provide scientific basis for application and popularization of drip irrigation under film in maize. The effect of different irrigation quota [3 000 m³/hm² (D1), 4 500 m³/hm² (D2), 5 250 m³/hm² (D3), 6 000 m³/hm² (D4), 6 750 m³/hm² (D5)] and routing irrigation (CK) on the physiological characters and yield index were studied by random block experiments in the field experiment. In different irrigation quota, stem diameter, height, leaf area and SPAD of maize increased with irrigation quota, as showed that D5 > D4 > D3 > D2 > D1, and high irrigation quota increases by 21.74%, 17.36%, 18.73% and 18.50% averagely than low in the whole growth period of maize. Yield and yield component of maize increased with irrigation quota in the certain irrigation quota (3 000~6 000 m³/hm²),but it insignificantly increased over 6 000 m³/hm². In the drip irrigation under mulch, it was an appropriate irrigation quota in the range from 5 250 to 6 000 m³/hm² of interplanting corn in the southern region of Xinjiang.

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