Untitled

被引：1

作者：

Beavington, F ^{[1
]}

Varley, JA

机构：

[1] Bayero Univ, Dept Geog, Kano, Nigeria

[2] Trop Soils Anal Unit, Reading, Berks, England

来源：

关键词：

D O I：

10.1111/j.1475-4959.2000.tb00027.x

中图分类号：

P9 [自然地理学]; K9 [地理];

学科分类号：

0705 ; 070501 ;

摘要：

引用

页码：282 / 283

页数：2

共 9 条

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[2] HARRIS, 1999, GEOGR J, V165, P275
[3] Nutrient management strategies of small-holder farmers in a short-fallow farming system in north-east Nigeria
Harris, F
[J]. GEOGRAPHICAL JOURNAL, 1999, 165 : 275 - 285
[4] Healey W. B., 1972, Proceedings, New Zealand Grassland Association, V34, P84
[5] NITROGEN IN RAINFALL AT SAMARU, NIGERIA
JONES, MJ
BROMFIELD, AR
[J]. NATURE, 1970, 227 (5253) : 86 - +
[6] JONES MJ, 1975, 55 COMM BUR SOILS CO
[7] MCTAINSH G, 1982, THESIS MACQUARIE U
[8] NYE PH, 1960, 51 COMM BUR SOILS CO
[9] OYENUGA VA, 1967, AGR NIGERIA GRAIN CR