The long-term performance of composited soil with feldspathic sandstone amendment on sandy soil and its effects on corn yield

Jie Cheng, Jichang Han, Jiancang Xie, Huanyuan Wang, Zenghui Sun, Yichun Du and Yingying Sun
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Jie Cheng: Xi'an University of Technology, Xi'an, P.R. China
Jichang Han: Shaanxi Provincial Land Engineering Construction Group Co., Ltd, Xi'an, P.R. China
Jiancang Xie: Xi'an University of Technology, Xi'an, P.R. China
Huanyuan Wang: Shaanxi Provincial Land Engineering Construction Group Co., Ltd, Xi'an, P.R. China
Zenghui Sun: Shaanxi Provincial Land Engineering Construction Group Co., Ltd, Xi'an, P.R. China
Yichun Du: Shaanxi Provincial Land Engineering Construction Group Co., Ltd, Xi'an, P.R. China
Yingying Sun: Shaanxi Provincial Land Engineering Construction Group Co., Ltd, Xi'an, P.R. China

Plant, Soil and Environment, 2019, vol. 65, issue 8, 395-400

Abstract: To estimate the long-term performance and the optimal ratio of feldspathic sandstone with sandy soil, experiments with different ratios of feldspathic sandstone to sandy soil (0:1, 1:1, 1:2 and 1:5 v/v) was conducted. The physical properties as soil texture, water-stable aggregate (WR0.25) content, and the organic carbon content of the composited soil for 6 years, and corn yield for 9 years were determined. Our results showed that after the addition of feldspathic sandstone: (1) soil texture was notably improved, changing from sand loamy soil (1:2 and 1:5) to sand loam soil (1:1) and silt sand soil (1:1) over planting time; (2) content of water-stable aggregate (WR0.25) significantly increased: WR0.25 of treatments 1:1, 1:2 and 1:5 all increased (by 29.26, 31.47 and 11.56%, respectively) compared with that of treatment 0:1; (3) the organic carbon content of the composited soils increased with time in all treatments. After six years of planting, average organic carbon content in treatments 1:1, 1:2 and 1:5 were 1.64, 1.51 and 1.77 g/kg, respectively, which were higher than that of 0:1 treatment; and (4) among the three ratios, treatment 1:2 (12 984 kg/ha) had the highest corn yield, followed by treatment 1:1 (12 040 kg/ha) and 1:5 (11 301 kg/ha). In conclusion, with a good performance, 1:2 was the best ratio of feldspathic sandstone to sand in improving the sandy soil structure of the Mu Us Desert, China.

Keywords: Zea mays L.; arable land; sand texture; sand-fixing effect; tillage; organic fertilizer (search for similar items in EconPapers)
Date: 2019
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DOI: 10.17221/282/2019-PSE

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