000 00272 a2200121 4500
080 _a631.8
_bS 642 M
245 1 _aManures and fertilizers
_cby A.M. Smith
260 _aLondon
_c1952
650 _aFertilizer
100 1 _aSmith, A.M.
_d
300 _a275 p.
901 _a40169
999 _c45321
_d45321