000 00800nam a2200229u 4500
001 00670154
003 PWmBRO
008 780714s1977 ph a b 00010 eng
050 0 _aS597.R5
_bP65
082 _a633/.18
090 0 0 _aVF
_b633.18/P797p
100 1 0 _aPonnamperuma, F. N.
_q(Felix Nelson),
_d1920-
245 1 0 _aPhysicochemical properties of submerged soils in relation to fertility :
_paper presented at the Seminar on the Fertility ofPaddy Soils, Taipei, Taowan, 26-31 July 1976 /
_cF. N. Ponnamperuma.
260 0 _aManila :
_bInternational Rice Research Institute,
_c1977.
300 _a32 p. :
_bill.
440 0 _aIRRI research paper series ;
_vno. 5
650 0 _aRice
_xSoils.
650 0 _aSoils, Irrigated.
650 0 _aSoil fertility.
942 _2ddc
994 0 1 _aT1001 052 873
999 _c42603
_d42603