00293nam a2200097Ia 4500008004100000082001500041100003600056245007000092260002600162300000700188140113s9999    xx            000 0 und d  a631.7   K5  a"Abraham, T.P. and Panse, V.G."  aGreen manuring of crops : Review of experimental results in India  a1965bICARcNew Delhi  a83