000			00516nam a2200181Ia 4500
008			220204s9999 xx 000 0 und d
082			_a631/635:001.5 _bYAD
100			_aYadav, R L
245		0	_aFifty years of agronomic research in India
260			_aNew Delhi _bIndian Society of Agronomy _c1998
650			_aAgroforestry
650			_aAgrotechniques
650			_aCropping systems research
650			_aNutrient management
650			_aRain water management
650			_aWeed management
942			_cBK
999			_c42427 _d42427