000 00302 am a2200121 a 4500
245 1 _aContinuous cropping
260 _aLondon
_c1916
300 _a1-16 p.
100 1 _a
_d
942 _2udc
_cB
440 _aCropping London Board of Agriculture and Fisheries. Special Leaflet No. 65
901 _aS46257
999 _c101851
_d101851