Distribution of Soil Nutrients in Tropical Arable Land in Qiongzhong County, Hainan Province

PAN Xiaozhong; TAN Lixia; ZHUO Huanfu; WU Qiongze; WANG Tingzhong

doi:10.16211/j.issn.1004-390X(n).2016.06.028

JOURNAL OF YUNNAN AGRICULTURAL UNIVERSITY（Natural Science） > 2016 > 31(6): 1149-1154. > DOI: 10.16211/j.issn.1004-390X(n).2016.06.028

PAN Xiaozhong, TAN Lixia, ZHUO Huanfu, et al. Distribution of Soil Nutrients in Tropical Arable Land in Qiongzhong County, Hainan Province[J]. JOURNAL OF YUNNAN AGRICULTURAL UNIVERSITY（Natural Science）, 2016, 31(6): 1149-1154. DOI: 10.16211/j.issn.1004-390X(n).2016.06.028

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Distribution of Soil Nutrients in Tropical Arable Land in Qiongzhong County, Hainan Province

1.
Agricultural Environment and Soil Institute, Hainan Academy of Agricultural Sciences, Haikou 571100, China
2.
Agricultural Technology Extension and Service Center of Qiongzhong County, Qiongzhong 572900, China
3.
College of Agriculture, Hainan University, Haikou 570228, China
4.
Hainan Province Agricultural Technology Extension and Service Center, Haikou 571100, China

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Received Date: October 08, 2015
Revised Date: December 09, 2015
Published Date: November 29, 2016

Graphical Abstract

Abstract

Abstract

Qiongzhong County in Hainan was taken as the typical area to explore the distribution of nutrients and pH in tropical arable land soils. The research techniques of field research and lab analysis were applied for comprehensive research into the distribution of soil pH, organic matters and available nutrients (N, P, K, Ca, Mg, Zn) contents in arable land of study area. The results indicated that, the sampled arable land soils are more acid, with pH 4.50.5. The contents of organic matters and available N were sufficient, however, the available P and K were deficient, and the contents of them were 7.4 and 39.7 mg/kg, respectively. The contents of available Ca and Mg in arable land were 508.9 and 82.8 mg/kg, respectively, and these two elements were deficient. The content of available Zn was as high as 4.72 mg/kg. High acidity degrees in soils may result in Zn pollution and, therefore, it shall be noted that excessive accumulation may be threatened to physical health.
- tropical area,
- arable land,
- soil nutrients

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References (20)

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