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[1]NI Dongning,SHI Haibin,LI Ruiping,et al.Effects of Plastic Mulching Ridge Tillage and Furrow Irrigation on Soil Moisture, Soil Temperature and Yield in Spring Maize Field[J].Research of Soil and Water Conservation,2016,23(02):89-94.

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Effects of Plastic Mulching Ridge Tillage and Furrow Irrigation on Soil Moisture, Soil Temperature and Yield in Spring Maize Field

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 23 Number of periods: 2016 02 Page number: 89-94 Column: Public date: 2016-04-28

Title:: Effects of Plastic Mulching Ridge Tillage and Furrow Irrigation on Soil Moisture, Soil Temperature and Yield in Spring Maize Field

Author(s):: NI Dongning¹, SHI Haibin¹, LI Ruiping¹, MIAO Qingfeng¹, ZHANG Zuowei¹, PENG Zunyuan¹, LI Maohua²; 1. College of Water Conservancy and Civil Engineering, Inner Mongolia Agricultural University, Hohhot 010018, China;
2. Water Administration of Bayannur Dengkou, Bayannur 015200, China

Keywords:: Hetao Irrigation District; maize; plastic mulching; ridge tillage and furrow irrigation; soil temperature; soil moisture content; yield

CLC:: S513;S152.8

DOI:: -

Abstract:: This study was conducted to discuss the variation in soil moisture and temperature, the response relationship, and maize yield while using plastic mulching ridge tillage and furrow irrigation in Hetao Irrigation District. A comparison study was carried out with respect to the conventional plastic mulching width (70 cm) of maize and local common agricultural wide film (110 cm). The results show that soil temperatures of two film widths present the same change rule, and temperature in the deep soil has a significant lag effect compared with the surface. The wider film has better effect on water-heat preservation at the early stage of maize growth. At the surface, the temperatures changes significantly or extremely significantly in 5 cm deep and 10 cm deep layers. The average moisture content of the 110 cm film in 5—25 cm depths increased by 5.06%,6.83%,3.89%,5.28% and 3.44%, respectively, compared with the 70 cm film over the entire growth stage. The different soil layers and temperatures over time can be described by a logarithmic function, but correlation is poor earlier and later, the mechanism of temperature change is more complicated. The average soil moisture content and soil temperature in 5 cm depth showed an inverse relationship and is directly proportional to the late growth stage of maize in the 20 cm depth, while the soil temperature range is wider under the low moisture content condition. The maize growth characteristics and yield index also reach the significant level, and the yield of the 110 cm wide film increase by 14.86% compared with the 70 cm film. The results can provide a scientific basis for the selection of suitable plastic mulching width under planting practice of ridge tillage and furrow irrigation.

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