IndCat

281	Studies in nitrogen fixation
282	Nitrogen economy in Indian soils through biological nitrogen fixers
Language:	English
283	Studies in carbon and nitrogen transformations
284	Nitrogen recuperation and fluctuations in the soils of the Bombay presidency
Language:	English
285	Studies in fixation of atmospheric nitrogen with chemically pure substances
286	Nitrogen fixation and bacterial counts on the application of energy rich substances to the soil
Language:	English
287	Studies in nitrogen fixation in soils
288	Fixation of nitrogen with legumes
Language:	English
289	Studies in nitrogen transformation
290	Study of some aspects of enzymic reactions in biological fixation of nitrogen
Language:	English
291	Nitrogen fixation and loss in surfaces and cultures
292	Nitrogen fixation
Language:	English
293	Studies on stabilisation of nitrogen in Indian cotton soils: treatment and agricultural utilization of liquid wastes from the cotton textile industry
294	Some aspects of nitrogen utilisation by soil fungi
Language:	English
295	Studies in nitrification
296	Studies in nitrogen fixation
Language:	English
297	Studies in photochemical fixation of nitrogen
298	Studies on nitrogen loss in the transformation of different inorganic nitrogen compounds
Language:	English
299	Influence of light on nitrogen fixation and loss
300	Nitrogen transformations in soil
Language:	English