MAINTENANCE OF SOIL ORGANIC MATTER UNDER CONTINUOUS CULTIVATION AT SAMARU, NIGERIA

被引：37

作者：

JONES, MJ

机构：

来源：

关键词：

D O I：

10.1017/S0021859600064558

中图分类号：

S [农业科学];

学科分类号：

09 ;

摘要：

引用

页码：473 / +

页数：1

共 11 条

BACHE, BW ;

HEATHCOTE, RG .

[2]

BARROW N. J., 1960, AUSTRALIAN JOUR AGRIC RES, V11, P317, DOI 10.1071/AR9600317

GREENLAND, DJ ;

NYE, PH .

JOURNAL OF SOIL SCIENCE, 1959, 10 (02) :283-299

[4] NITROGEN IN RAINFALL AT SAMARU, NIGERIA [J].

JONES, MJ ;

BROMFIELD, AR .

[5]

Keay R. W. J., 1959, OUTLINE NIGERIAN VEG

[6]

KLINKENBERG K, 1968, Nigerian Journal of Science, V2, P91

[7]

KOWAL J, 1968, NIGERIAN AGR J, V5, P13

[8]

LAWES DA, 1962, NIGER GEOGR J, V5, P33

[9]

OBI JK, 1959, 8 N NIG MIN AGR SAM

[10]

STOCKINGER KR, 1969, PRIVATE COMMUNICATIO