-
1
-
-
0345138799
-
-
Samaru misc, paper 75. Institute for Agric. Research, ABU, Zaria, Nigeria
-
ABDULLAHI A. and LOMBIN G., 1978: Long term fertility studies at Samaru, Nigeria. Comparative effectiveness of separate and combined application of mineral fertilizers and farm yard manure in maintaining soil productivity under continuous cultivation in the savannah. Samaru misc, paper 75. Institute for Agric. Research, ABU, Zaria, Nigeria.
-
(1978)
Long Term Fertility Studies at Samaru, Nigeria. Comparative Effectiveness of Separate and Combined Application of Mineral Fertilizers and Farm Yard Manure in Maintaining Soil Productivity under Continuous Cultivation in the Savannah
-
-
Abdullahi, A.1
Lombin, G.2
-
2
-
-
0347020254
-
Maintenance of soil fertility under traditional farming system
-
LOMBIN et al. ( eds ) Proceedings of a National organic Fertilizer Seminar held at Durbar Hotel Kaduna. Nigeria, March 26 and 27, 1991
-
AGBOOLA A. A. and UNAMMA P. A., 1991: Maintenance of soil fertility under traditional farming system. In : LOMBIN et al. ( eds ) Organic fertilizer in the Nigerian Agriculture: Present and Future. Proceedings of a National organic Fertilizer Seminar held at Durbar Hotel Kaduna. Nigeria, March 26 and 27, 1991. p7-20.
-
(1991)
Organic Fertilizer in the Nigerian Agriculture: Present and Future
, pp. 7-20
-
-
Agboola, A.A.1
Unamma, P.A.2
-
4
-
-
0342949940
-
A suitable medium for the enumeration of the micro-organisms in soil
-
BHAT J. V. and SHATTY M. V., 1949: A suitable medium for the enumeration of the micro-organisms in soil. Journal of University Bombay. Section B: 13-15.
-
(1949)
Journal of University Bombay. Section B
, pp. 13-15
-
-
Bhat, J.V.1
Shatty, M.V.2
-
5
-
-
0004005916
-
-
Soil Chemistry and Fertility Laboratory and Analytical Services Laboratory, Ibadan, Nigeria
-
IITA, International Institute of Tropical Agriculture, 1979: Selected Methods for soil and plant analysis. Soil Chemistry and Fertility Laboratory and Analytical Services Laboratory, Ibadan, Nigeria.
-
(1979)
Selected Methods for Soil and Plant Analysis
-
-
-
6
-
-
84974250721
-
The maintenance of soil organic matter under continuous cultivation at Samaru
-
JONES M. J., 1971: The maintenance of soil organic matter under continuous cultivation at Samaru. Nigerian J. Agric. Sci. Camb. 77: 473-482.
-
(1971)
Nigerian J. Agric. Sci. Camb.
, vol.77
, pp. 473-482
-
-
Jones, M.J.1
-
7
-
-
33748788908
-
The effect of fallow and continuous cultivation on the chemical and physical properties of an alfisol in the tropics
-
JUO A. S. R. and LAL R., 1977: The effect of fallow and continuous cultivation on the chemical and physical properties of an alfisol in the tropics. Plant and Soil 47: 567-571.
-
(1977)
Plant and Soil
, vol.47
, pp. 567-571
-
-
Juo, A.S.R.1
Lal, R.2
-
9
-
-
85103066742
-
Intercropping systems in tropical Africa
-
Amer. Soc. of Agronomy
-
OKIGBO B. N. and GREENLAND D. J., 1976: Intercropping systems in tropical Africa, In : Multiple cropping. Amer. Soc. of Agronomy. p 63-101.
-
(1976)
Multiple Cropping
, pp. 63-101
-
-
Okigbo, B.N.1
Greenland, D.J.2
-
10
-
-
0347020253
-
Role of cover crops in soil and water conservation
-
Soil Conservation and Management in Developing Countries FAO Rome
-
OKIGBO B. N. and LAL R., 1977: Role of cover crops in soil and water conservation. In: Soil Conservation and Management in Developing Countries FAO Rome. Soils bulletin 33: 97-122.
-
(1977)
Soils Bulletin
, vol.33
, pp. 97-122
-
-
Okigbo, B.N.1
Lal, R.2
-
12
-
-
0343447021
-
Use of organic materials and green manures as fertilizers in developing countries. Report of the FAO/SIDA Expert consultant on organic material as fertilizer. Rome, 2-6 Dec. 1974
-
SINGH A., 1974: Use of organic materials and green manures as fertilizers in developing countries. Report of the FAO/SIDA Expert consultant on organic material as fertilizer. Rome, 2-6 Dec. 1974. FAO Soil Bulletin 27: 19-30.
-
(1974)
FAO Soil Bulletin
, vol.27
, pp. 19-30
-
-
Singh, A.1
|