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[1]CAO Han,WU Shufang,FENG Hao,et al.Effects of Different Film Mulches on Soil Water and Heat as Well as the Yield of Winter Wheat[J].Research of Soil and Water Conservation,2015,22(06):110-115.

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Effects of Different Film Mulches on Soil Water and Heat as Well as the Yield of Winter Wheat

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 22 Number of periods: 2015 06 Page number: 110-115 Column: Public date: 2015-12-28

Title:: Effects of Different Film Mulches on Soil Water and Heat as Well as the Yield of Winter Wheat

Author(s):: CAO Han¹, WU Shufang^1,2, FENG Hao², ZHANG Yan¹; 1. College of Water Resources and Architectural Engineering, Northwest A & F University, Yangling, Shaanxi 712100, China;
2. Institute of Water Saving Agriculture in Arid and Semi-arid Areas of China, Northwest A & F University, Yangling, Shaanxi 712100, China

Keywords:: ridge culture; film mulching; surface soil temperature; soil water storage capacity; water use efficiency

CLC:: S157.1;S157.4⁺1

DOI:: -

Abstract:: The films in two colors (black and white) were used combined with two planting patterns (ridge culture and traditional tillage) to explore the effects of different film mulches on soil water and heat as well as the growth of winter wheat. TRIME-TDR and thermometers were used to monitor soil moisture and temperature under different mulch treatments during the entire growth period of winter wheat. The object of this study is to reveal the effects of different film mulches on the dynamic of soil water and temperature and the yield of the winter wheat. Results showed that: (1) warming effect of film mulching was the most significant from the winter stage to reviving stage; compared with control, the temperature increased by 1.3℃; the soil temperatures in 5 cm depth of both two planting methods with black film were higher than those of white film and control; at the jointing-filling stage, warming effect of mulching was not significant; during the day, changes in surface soil temperature underwent two stages: increasing stages and decreasing stages; (2) throughout the growing period, topsoil soil water content changed most significantly in 0—20 cm depth; compared with treatments of white film with ridge culture and control, the mean soil water contents under black film (BL) increased by 5.04% and 14.82%, respectively; at the heading stage, BL had the significant soil water storage capacity in 0—100 cm depth, increased by 45.2 mm compared with the control; (3) the BL treatments had the most significant effect on increasing winter wheat yield and water use efficiency; compared with the control, the wheat yield under BL treatment increased by 658.7 kg/hm²; water use efficiency increased by 16.3%; in the wetting year, due to the abundant rainfall, soil water use efficiency among different mulching treatments had no significant difference. These results are of a certain guiding significance for improving film mulching techniques.

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