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Article
Effects of ammonium application rate on uptake of soil adsorbed amino acids by rice
In recent years, excessive use of chemical nitrogen (N) fertilizers has resulted in the accumulation of excess ammonium (NH 4 + ) in many agricultural soils. Th...
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Article
Organic nitrogen components in soils from southeast China
To investigate the amounts of extractable organic nitrogen (EON), and the relationships between EON and total extractable nitrogen (TEN), especially the amino acids (AAs) adsorbed by soils, and a series of oth...
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Article
Soil microbial biomass as affected by non-flooded plastic mulching cultivation in rice
The long-term field experiments were initiated in 2001 on five sites in Zhejiang province of China to monitor the impacts of non-flooded plastic mulching management on rice soil microbial biomass for sustainab...