A 20-YEAR LONG TERM STUDY OF YIELD SUSTAINABILITY AND SOIL FERTILITY AFFECTED BY FERTILIZATION AND APSIM CLIMATIC CHANGE MODEL OF URUMQI, XINJIANG, CHINA
文献类型： 外文期刊
作者： Tahir, N. 1 ; Li, J. 1 ; Ma, Y. 2 ; Ullah, A. 1 ; Liu, H. 3 ;
作者机构： 1.Chinese Acad Agr Sci, Inst Agr Resources & Reg Planning, 12 Southern St Zhongguancun, Beijing 100081, Peoples R China
2.Macau Univ Sci & Technol, Macau Environm Res Inst, Macau 999078, Peoples R China
3.Xinjiang Acad Agr Sci, Inst Soil Fertilizer & Agr Water Saving, Urumqi 830000, Xinjinag, Peoples R China
关键词： long-term fertilization; nutrients balance; nutrient input; carbon sequestration rate
期刊名称：APPLIED ECOLOGY AND ENVIRONMENTAL RESEARCH （ 影响因子：0.711； 五年影响因子：0.797 ）
ISSN： 1589-1623
年卷期： 2021 年 19 卷 3 期
页码：
收录情况： SCI
摘要： To achieve high crop production, long-term field experiments 20 years (1990-2010) were conducted at Urumqi-China In this study, we investigate the effect of organic and inorganic fertilization treatments on maize, spring wheat, and winter wheat cropping system in Urumqi, Xinjiang China We investigated the impact of soil fertility, crop yield sustainability index, nutrients balance, carbon sequestration (CSR), and climatic change model through the Agricultural Production Systems Simulator (APSIM). Five treatments were studied: CK (control); NPK (inorganic fertilizers nitrogen, phosphorus, and potassium); NPKM and manure; NPKS & straw and NPKM2 and manure (the rate of manure was double from NPKM. The study showed that the combined application of inorganic and manure application (NPKM2 and NPKM) significantly increased the crop grain yield and soil fertility and sustainable yield index were higher as compared to NPK and CK. The changes of maximum and minimum temperature (+2), decreasing precipitation (-10), and increased CO2 level (350-650 ppm) from observed values, simulated in the climatic model will significantly decrease essential soil water (191.2-181.1 mm), runoff (0.43-0.40 mm), total NO3- (1444.0 to 1422.5) kg ha(-1), and leaching (0.75-0.73) and runoff (0.43 mm to 0.40 mm) while increased total NH4+(35.1 to 41.72) kg ha(-1).
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