000			00501nam a2200193Ia 4500
008			220216s9999 xx 000 0 und d
100			_aJoseph M.[a]
245		0	_aPotassium nutrition of mature rubber
260			_bIndian Journal of Natural Rubber Research _c1998
300			_a58-66
650			_aAvailable phosphorus
650			_aCritical value
650			_aLaterite soil
650			_aPotassium
700			_aMathew M.
700			_aNair R.B.
700			_aPunnoose K.I.
942			_cBS
999			_c51531 _d51531