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Article
Influence of 15N-labeled ammonium sulfate and straw on nitrogen retention and supply in different fertility soils
Microbial immobilization/mineralization and mineral fixation/release of ammonium are important for N retention and supply. However, the rates of such processes vary among different fertility soils and fertiliz...
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Article
Responses of bacterial and archaeal ammonia oxidisers of an acidic luvisols soil to different nitrogen fertilization rates after 9 years
It is still not clear which group of ammonia-oxidizing microorganisms plays the most important roles in nitrification in soils. Change in abundances and community compositions of ammonia-oxidizing bacteria (AO...
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Article
Field balances and recycling rates of micronutrients with various fertilization treatments in Northeast China
Due to their effects on human health, recent research in China has focused on the status of micronutrients in agro-ecosystems. In this study, we analyzed the concentrations of available micronutrients in cropp...
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Article
Effects of fertilization on nutrient budget and nitrogen use efficiency of farmland soil under different precipitations in Northeastern China
Based on a consecutive 16-year field trial and meteorological data, the effects of fertilization on the nutrient budget and nitrogen use efficiency in farmland soil under different precipitation years were stu...
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Article
Effects of nutrient cycling on grain yields and potassium balance
Soybean-maize rotation is a profitable crop** system and is used under rain fed conditions in north China. Since crop yields have been reported to decrease when K fertilizers are not used, we analyzed the pr...
