Journal of Food, Agriculture and Environment

Dynamic characteristics of soil temperature for compound planting soybean with drip irrigation in arid zone

Author(s):

Zhenhua Wang ^{1, 2}*, Xurong Zheng ^{1, 2}*, Guojun Jiang ^{1, 2}

Recieved Date: 2013-07-10, Accepted Date: 2013-10-13

Abstract:

In order to explore the change process of soil temperature for compound planting soybean with drip irrigation in Northern Xinjiang, through measured pit test monitoring, the results show that: soil critical depth that the soil temperature by atmospheric temperature diurnal variation is 40 cm, soil temperature of 0 - 40 cm soil layer is sinusoidal fluctuations, its amplitude tends to be gentle with soil depth; change trend for soil temperature of narrow line is consistent with wide line, and its soil temperature of wide line is higher than narrow line; the diurnal variation of soil temperature was rising and falling two stages of change, the rising rate was significantly greater than the cooling rate; suitable irrigation quota has the effect of improving the soil temperature, the treatment of irrigation quota for 360 mm that norm soil temperature and accumulated temperature are the highest. Making sure the soil temperature distribution characteristics and the impact of irrigation on soil temperature is conducive to the creation of a favourable thermal environment for crop growth.

Keywords:

Soil temperature, irrigation quota, drip irrigation

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Journal: Journal of Food, Agriculture and Environment
Year: 2013
Volume: 11
Issue: 3&4
Category: Environment
Pages: 2399-2402

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