POTASSIUM AND AMMONIUM FIXATION IN INDIA SOILS(A REVIEW)
GREWAL,J.S. & Others
POTASSIUM AND AMMONIUM FIXATION IN INDIA SOILS(A REVIEW) - - NEW DELHI ICAR 1973 - 75
631.416/GRE
POTASSIUM AND AMMONIUM FIXATION IN INDIA SOILS(A REVIEW) - - NEW DELHI ICAR 1973 - 75
631.416/GRE