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Supplemental Nitrogen Fertilizer to Soybeans:III. Effects on nitrogen fixation
Acetylene reduction Nitrogen Nitrogen fixation Soybean Top-dressing
2009/8/6
Effects of (NH4)2SO4 top-dressing at the flowering stage to soybeans were investigated in view of its nitrogen fixation and assimilation. Possibility of estimating nitrogen fixation by time course mea...
Patterns of Soil Nitrogen Release in Paddy Fields of Warm Regions in Japan and Diagnosis of Fertilizer Application : III. Evaluation of amount of soil nitrogen supplied from paddy fields in relation to rice yield
Ammonification Nitrogen uptake Paddy soils Rate of Fertilizer application Soil nitrogen
2009/7/30
It was investigated whether the amount of ammonification could be used as an index of soil analysis for fertilizer application, which was related with the amount of soil nitrogen supplied from paddy f...
Effect of a Mixture of Charcoal and Pyroligenous Acid Applied to the Soil at Different Fertilizer Levels on the Growth and Yield of Rice
Rice Yield Yield components Pyroligenous acid Charcoal
2009/7/9
The effects of a mixture of charcoal and pyroligenous acid (MCPA; 80% charcoal and 20% pyroligenous acid) applied to the soil at different fertilizer levels on the growth characteristics and yield of ...
Influence of nitrogenous fertilizer plant effluents on growth of selected farm crops in soils polluted with crude petroleum hydrocarbons
Nitrogenous fertilizer effluents farm crops pollution petroleum
2009/3/4
Nitrogenous fertilizer (NPK) plant effluents from NAFCON were used in amending plots of land experimentally polluted with crude oil. Results obtained showed that NPK served as a good soil for the ...
Extractability of slurry and fertilizer phosphorus in soil after repeated freezing
SOINNE HELENA PELTOVUORI TOMMI
2010/8/11
The potential effects of freezing on phosphorus (P) chemistry in Finnish soils are not well known. We studied the effects of multiple freeze-thaw cycles on soil P chemistry in a laboratory incubation ...