Plant Soil Environ., 2014, 60(3):100-104 | DOI: 10.17221/820/2013-PSE

Effects of tillage practices and rate of nitrogen fertilization on crop yield and soil carbon and nitrogenOriginal Paper

Y. Feng1, T. Ning1, Z. Li1, B. Han1, H. Han1, Y. Li2, T. Sun1, X. Zhang1
1 State Key Laboratory of Crop Biology, Chinese National Engineering Research Center for Slow/Controlled Release Fertilizers, Key Laboratory of Crop Water Physiology and Drought-tolerance Germplasm Improvement of Ministry of Agriculture, Shandong Agricultural University, Taian, Shandong, P.R. China
2 Agro-technology Extension Center of Longkou City, Longkou, Shandong, P.R. China

We conducted field experiments since 2006 to determine the effect of tillage practices and rate of nitrogen fertilization on soil properties and crop yield. Four tillage practices and five N rates were used. The results showed that the year-round total yield of wheat and maize under harrow tillage (HT) and rotary tillage (RT) was not significantly different from that of conventional tillage (CT, moldboard tillage) but was higher than that of no-tillage (NT). Reduced tillage (HT and RT) with straw returned and rate of nitrogen (157.5 kg/ha for wheat and 202.5 kg/ha N for maize) were suitable to increase the yield and adjust the soil carbon and nitrogen situation for the winter wheat-summer maize cropping system.

Keywords: wheat; maize; straw returned; N fertilization

Published: March 31, 2014  Show citation

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Feng Y, Ning T, Li Z, Han B, Han H, Li Y, et al.. Effects of tillage practices and rate of nitrogen fertilization on crop yield and soil carbon and nitrogen. Plant Soil Environ. 2014;60(3):100-104. doi: 10.17221/820/2013-PSE.
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