Long-Term Effects of Manure and Inorganic Fertilizers on Yield and Soil Fertility for a Winter Wheat-Maize System in Jiangsu, China

doi:10.1016/S1002-0160(06)60022-2

Pedosphere

Volume 16, Issue 1, February 2006, Pages 25-32

https://doi.org/10.1016/S1002-0160(06)60022-2 Get rights and content

ABSTRACT

Winter wheat-maize rotations are dominant cropping systems on the North China Plain, where recently the use of organic manure with grain crops has almost disappeared. This could reduce soil fertility and crop productivity in the long run. A 20-year field experiment was conducted to 1) assess the effect of inorganic and organic nutrient sources on yield and yield trends of both winter wheat and maize, 2) monitor the changes in soil organic matter content under continuous wheat-maize cropping with different soil fertility management schemes, and 3) identify reasons for yield trends observed in Xuzhou City, Jiangsu Province, over a 20-year period. There were eight treatments applied to both wheat and maize seasons: a control treatment (C); three inorganic fertilizers, that is, nitrogen (N), nitrogen and phosphorus (NP), and nitrogen, phosphorus and potassium (NPK); and addition of farmyard manure (FYM) to these four treatments, that is, M, MN, MNP, and MNPK. At the end of the experiment the MN, MNP, and MNPK treatments had the highest yields, about 7 t wheat ha⁻¹ and 7.5 t maize ha⁻¹, with each about 1 t ha⁻¹ more than the NPK treatments. Over 20 years with FYM soil organic matter increased by 80% compared to only 10% with NPK, which explained yield increases. However, from an environmental and agronomic perspective, manure application was not a superior strategy to NPK fertilizers. If manure was to be applied, though, it would be best applied to the wheat crop, which showed a better response than maize.

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¹: Project supported by the National Natural Science Foundation of China (No. 30030090) and the National High-Tech Research and Development Program of China (863 Program) (No. 2003AA209030).

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Long-Term Effects of Manure and Inorganic Fertilizers on Yield and Soil Fertility for a Winter Wheat-Maize System in Jiangsu, China1

ABSTRACT

Field Crop Research

Field Crops Research

Field Crops Research

Soil Tillage Research

Field Crops Research

Yield and soil nutrient changes in a long-term rice-wheat rotation in India

Soil Science Society of America Journal

Sustainable traditional agriculture in the Tai Lake region of China

Agriculture, Ecosystems and Environment

Long-term changes in yield and soil fertility in a twenty-year rice-wheat experiment in Nepal

Biology and Fertility of Soils

The long term impact of different soil management on nitrogen fertility in rice-based cropping system

Acta Pedologica Sinica

Release 6.1, Reference Manual

Long-Term Effects of Manure and Inorganic Fertilizers on Yield and Soil Fertility for a Winter Wheat-Maize System in Jiangsu, China¹