Effects of Urea, Humic Acid and Phosphate Interactions in Fertilizer Microsites on Ammonia Volatilization and Soil Ammonium and Nitrate Contents O. H. Ahmed, H. Aminuddin and M. H.A. Husni Abstract PDF Fulltext XML References
Comments gowtham l r 17 July, 2009 sir kindly give information that how can we test purity of humic acid at presently available in market
gowtham l r
sir kindly give information that how can we test purity of humic acid at presently available in market