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The effect of nitrogen fertilizer on biomass production, nodulation, seed yield and CO2 exchange was determined in soybean (Glycine max Merr. cv. Akiyoshi) grown in a pot sand culture in a glasshouse....
This study was carried out to establish cultivation techniques that improve the eating-quality of rice grown in Andosol (AL) paddy fields by the modification of nitrogen fertilizer application and the...
A field experiment was carried out during the two successive seasons of 2005 and 2006 at Demo, Fayoum Governorate, Egypt to study the effect of different sources of nitrogen i.e., urea, ammonium sulp...

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