000 00276nam a2200109Ia 4500
008 140224s9999 xx 000 0 und d
245 _aNitrogen fertilization in the humid tropics
260 _aVirginia
_bNTIS
_c1972
300 _a25p.
600 _aRichard H. Fox
942 _cBK
999 _c94718
_d94718