Organic matter and soil fertility restoration in forest and savanna fallows in southwestern Nigeria

DETERMINATION OF TOTAL, ORGANIC, AND AVAILABLE FORMS OF PHOSPHORUS IN SOILS

R. H. Bray, L. T. Kurtz · Soil Science · 1945 · 7.5K citations

Organic Geochemistry, Environmental Chemistry, Biogeochemistry +12

The soil under shifting cultivation.

P. H. Nye, D. J. Greenland · 1960 · 762 citations

Soil Pedology, Land Use, Plant-soil Relationship +7

An Outline of Nigerian Vegetation.

P. W. Richards, R. W. J. Keay · Journal of Ecology · 1955 · 353 citations

Biodiversity, Engineering, African Drylands +6

The effect of fallow and continuous cultivation on the chemical and physical properties of an alfisol in western Nigeria

A. S. R. Juo, Rattan Lal · Plant and Soil · 1977 · 192 citations

Continuous Cultivation, Plant Production, Agricultural Economics +3

Assessment of the Olokemeji fire-control experiment (investigation 254) 28 years after institution.

J. R. Charter, Rw. J. Keay · 1960 · 27 citations

Olokemeji Fire-control Experiment, Behavioral Sciences, Fire Engineering +6