The Effect of Drip Irrigation under Different Water and Fertilizer Condition on Yield and Water Use Efficiency of Seed Corn

ZHANG Li-qin, CHE Zong-Xian, CUI Yun-ling, CUI Zeng-tuan, WAN Lun

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Water Saving Irrigation ›› 2018 ›› (12) : 29-32.

The Effect of Drip Irrigation under Different Water and Fertilizer Condition on Yield and Water Use Efficiency of Seed Corn

  • ZHANG Li-qin1 ,CHE Zong-Xian1 ,CUI Yun-ling1 ,CUI Zeng-tuan2 ,WAN Lun2
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Abstract

Under the fertigation cultivation mode of drip irrigation in Yellow River irrigated area in Gansu,the yield performance,water use efficiency and production benefits of seed corn were studied. The results show that suitable irrigation quota and fertilizer application are beneficial for increasing yield,the yield of seed corn decreases when the irrigation water is shortage,and the effect of increasing yield is not significant when the fertilizer is applied too much. Under the condition of 3 450 m3 /hm2 irrigation water quota with fertilizer quantity of 270 kg / hm2 N,90 kg /hm2 P2O5 and 54 kg /hm2 K2O,compared with other treatments,the yield of seed corn is increased by 1 395.5~3 600.0 kg /hm2 , the water use efficiency is improved by 1.13~9.38 kg /( mm·hm2 ) ,the net income of planting is increased by 7 779.0~2 1920.0 yuan /hm2 , and the ratio of output to investment is increased by 0.09~1.41.The effects of water and fertilizer usage and planting benefit are optimized.

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seed corn / fertigation / yield / water use efficiency

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ZHANG Li-qin, CHE Zong-Xian, CUI Yun-ling, CUI Zeng-tuan, WAN Lun. The Effect of Drip Irrigation under Different Water and Fertilizer Condition on Yield and Water Use Efficiency of Seed Corn. Water Saving Irrigation. 2018, 0(12): 29-32

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