Effect of Water-retaining Agent on Wheat Production and Water Utilization under Different Moisture Conditions in Dryland

doi:10.7668/hbnxb.2007.05.009

Abstract

Abstract: On the study of nutrient water-retaining agent on wheat production and water utilization under different moisture conditions, the results showed nutrient water-retaining agent could improve wheat spike length, spike grains, 1000 grain weight and yield. The yield of nutrient water-retaining agent treatments could be increased 8.42%-22.75%under no irrigated condition, the treatment of 60 kg/ha was the best one. The yield of nutrient water-retaining agent treatments could be increased 10.86%-19.86%under once irrigated condition, the treatment of 45 kg/ha was the best one. The yield of nutrient water-retaining agent treatments could be increased 10.79%-18.42%under twice-irrigated condition, the difference was reduced among the treatments of nutrient water-retaining agent. However, the efficiency of precipitation and irrigated water utilization also had notable difference among different volume of treatment nutrient water-retaining agent treatments under different moisture conditions, which had the same tendency to the production increased. In a word, the application of nutrient water-retaining agent had a positive role on wheat production and the efficiency of water utilization.

Key words: Nutrient water-retaining agent, Wheat, Increase production effect, Efficiency of water utilization

CLC Number:

S512.101

WU Ji-cheng, ZHENG Hui-ling, SHI Fu-gang, YANG Zhan-ping. Effect of Water-retaining Agent on Wheat Production and Water Utilization under Different Moisture Conditions in Dryland[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2007, 22(5): 40-42. doi: 10.7668/hbnxb.2007.05.009.

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