Spring wheat growth and water use efficiency under drip irrigation
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DOI:10.7606/j.issn.1000-7601.2012.06.08
Key Words: spring wheat  dripping irrigation  dripping tube lay-out  yield  water use efficiency
Author NameAffiliation
JIANG Guiying Key Laboratory of Oasis Ecology Agriculture of Xinjiang Bingtuan, Shihezi Universiiy, Shihezi, Xingjiang 832003, China 
WEI Jianjun Crop lnstitue, Academy of Land-Reclaimable Sciences, Shihezi, Xingjiang 832000, China 
LIU Ping Key Laboratory of Oasis Ecology Agriculture of Xinjiang Bingtuan, Shihezi Universiiy, Shihezi, Xingjiang 832003, China 
LIU Jianguo Key Laboratory of Oasis Ecology Agriculture of Xinjiang Bingtuan, Shihezi Universiiy, Shihezi, Xingjiang 832003, China 
LIN Ru Key Laboratory of Oasis Ecology Agriculture of Xinjiang Bingtuan, Shihezi Universiiy, Shihezi, Xingjiang 832003, China 
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Abstract:
      Two irrigation ways between dripping and conventional models were analyzed, and two lay-out methods was also established under the drip irrigation, one tube with four rows and one tube with six rows. The object of the ex-periment was to analyze the relationship between spring wheat growth and water use efficiency under different irrigation ways and different lay-out of drip irrigation. The results showed that dripping irrigation could not only increase plant weight, SPAD value of flag leaf and root activity, but also reduce dry matter in vegetative organs, so it was beneficial to increasing yield. Compared with the conventional watering way, dripping irrigation decreased water amount by 25%, while kernel yield increased by 14.4% and irrigation water use efficieney(WUE) increased by 35.4% under dripping irrigation. It had an obvious promoting effect on wheat growth in the treatment of one tube with four rows, meanwhile, in-creased yield and irrigation water use efficiency, owing to the relative even soil water distribution and plant uniformity un-der middle row and border row.