000 | 00537nam a2200157Ia 4500 | ||
---|---|---|---|
008 | 140208s9999 xx 000 0 und d | ||
020 | _a9780851983400 | ||
044 | _aUnited Kingdom | ||
080 | _a631.84 R561SO | ||
100 | _aRobinson, J.B.D. | ||
245 |
_aSoil nitrogen, index and its calibration with crop performance to improve fertilizer efficiency on arable soils _cJ.B.D. Robinson |
||
260 |
_bCommonwealth Agricultural Bureaux _aLondon _c1975 |
||
300 | _a53 p.; 25cm. | ||
490 | _a(Special publication; no. 1) | ||
942 |
_2udc _cGB |
||
999 |
_c7216 _d7216 |