Effect of biuret concentration in urea on wheat and rice
Fertilizer nitrogen movement in soil and fertilizeation by wheat and paddy under field conditions: Studies with N 15 labelled ammonium sulphate
tracer study of nitrogen balacne and crop response to water soluble phosphorus in nitrophosphates under submerged conditions
Studies on the effect of direct and residual nitrogen application on the growth, behaviour and yield of crops in maize- wheat-legume rotation
comparative study of physiological changes in resistant and susceptible rice varieties following nitrogen fertilization and infection by Pyriclaria oryzae
Nitrogen fixation by soil algae
Studies on the times of nitrogen application for high yielding varieties under upland conditions
Efficiency of ammonium nitrate as a fertilizer