IGKV

biofertilizers polyphenol theory lignin protein theory process of humus importance of humus húmus breakdown of protein composition of soil organic matter soil organic matter soil organism denitrification nitrification ammonification assimilation biological nitrogen fixation nitrogen fixation factors affecting sulfur cycle sulfur cycle steps in sulfur transformation sulfur nature of soil microbial association soil reaction soil temperature soil moisture soil quality index soil quality parameters factors affecting soil quality soil quality assessment soil quality factors of land degradation methods of assessment of land degradation land degradation and restoration restoration technology land degradation mechanical analysis textural clases soil texture pesticide effect impact of pesticide in soil pesticide factors of fixation phosphorous fixation phosphate fixation formulation mass multiplication of bacillus isolation of bacillus collection characteristics of bacillus systemic position of bacillus bacillus subtalis pea enation mosaic early browning of pea bacterial blight powdery mildew downey mildew fusarium wilt ascochyta blight/black spot idm strategies on diseases of pea