-
1
-
-
0013050758
-
Evaluation of P supplying capacities of southwestern Nigerian soils
-
Adetunji MT (1994) Evaluation of P supplying capacities of southwestern Nigerian soils. J Ind Soc Soil Sci 42:208-213
-
(1994)
J Ind Soc Soil Sci
, vol.42
, pp. 208-213
-
-
Adetunji, M.T.1
-
2
-
-
0000991911
-
14C in plant and soil
-
14C in plant and soil. Soil Biol Biochem 15:611-612
-
(1983)
Soil Biol Biochem
, vol.15
, pp. 611-612
-
-
Amato, M.1
-
4
-
-
0001009985
-
Hydrometer method improved for making particle size analysis of soils
-
Bouyoucos GJ (1962) Hydrometer method improved for making particle size analysis of soils. Agron J 54:464-465
-
(1962)
Agron J
, vol.54
, pp. 464-465
-
-
Bouyoucos, G.J.1
-
5
-
-
0343016909
-
Yield-of-phosphorus curves
-
Dean LA (1954) Yield-of-phosphorus curves. Soil Sci Soc Am Proc 18:462-466
-
(1954)
Soil Sci Soc Am Proc
, vol.18
, pp. 462-466
-
-
Dean, L.A.1
-
7
-
-
0030391792
-
Fertilizer inputs, nutrient balance, and soil nutrient-supplying power in intensive, irrigated rice systems. I. Potassium uptake and K balance
-
Dobermann A, Sta. Cruz PC, Cassman KG (1996a) Fertilizer inputs, nutrient balance, and soil nutrient-supplying power in intensive, irrigated rice systems. I. Potassium uptake and K balance. Nutr Cyc Agroecosyst 46:1-10
-
(1996)
Nutr Cyc Agroecosyst
, vol.46
, pp. 1-10
-
-
Dobermann, A.1
Sta. Cruz, P.C.2
Cassman, K.G.3
-
8
-
-
0030378079
-
Fertilizer inputs, nutrient balance, and soil nutrient-supplying power in intensive, irrigated rice systems. II. Effective soil K-supplying capacity
-
Dobermann A, Cassman KG, Sta. Cruz PC, Adviento MA, Pampolino MF (1996b) Fertilizer inputs, nutrient balance, and soil nutrient-supplying power in intensive, irrigated rice systems. II. Effective soil K-supplying capacity. Nutr Cyc Agroecosyst 46:11-21
-
(1996)
Nutr Cyc Agroecosyst
, vol.46
, pp. 11-21
-
-
Dobermann, A.1
Cassman, K.G.2
Sta. Cruz, P.C.3
Adviento, M.A.4
Pampolino, M.F.5
-
9
-
-
0030318502
-
Fertilizer inputs, nutrient balance, and soil nutrient-supplying power in intensive, irrigated rice systems. III. Phosphorus
-
Dobermann A, Cassman KG, Sta. Cruz PC, Adviento MA, Pampolino MF (1996c) Fertilizer inputs, nutrient balance, and soil nutrient-supplying power in intensive, irrigated rice systems. III. Phosphorus. Nutr Cyc Agroecosyst 46:111-125
-
(1996)
Nutr Cyc Agroecosyst
, vol.46
, pp. 111-125
-
-
Dobermann, A.1
Cassman, K.G.2
Sta. Cruz, P.C.3
Adviento, M.A.4
Pampolino, M.F.5
-
10
-
-
0003886815
-
-
EPTHA. International Institute of Tropical Agriculture Ibadan, Nigeria
-
EPTHA (1996) Mechanism for sustainability and partnership in agriculture. International Institute of Tropical Agriculture, Ibadan, Nigeria, p 29
-
(1996)
Mechanism for Sustainability and Partnership in Agriculture
, pp. 29
-
-
-
11
-
-
0037425554
-
Internal nutrient efficiencies, fertilizer recovery rates and indigenous nutrient supply of irrigated lowland rice in Sahelian West Africa
-
Haefele SM, Wopereis MCS, Ndiaye MK, Barro SE, Ould Isselmou M (2003) Internal nutrient efficiencies, fertilizer recovery rates and indigenous nutrient supply of irrigated lowland rice in Sahelian West Africa. Field Crops Res 80:19-32
-
(2003)
Field Crops Res
, vol.80
, pp. 19-32
-
-
Haefele, S.M.1
Wopereis, M.C.S.2
Ndiaye, M.K.3
Barro, S.E.4
Ould Isselmou, M.5
-
12
-
-
0345255215
-
On-farm evaluation of the contribution of sole and mixed applications of organic matter and urea to maize grain production in the Savanna
-
CABI publishing in association with the International Institute of tropical Agriculture Wallingford, UK
-
Iwuafor ENO, Aihou K, Vanlauwe B, Diels J, Sanginga N, Lyasse O (2002) On-farm evaluation of the contribution of sole and mixed applications of organic matter and urea to maize grain production in the Savanna. In: Vanlauwe B, Diels J, Sanginga N, Merckx R (eds) Integrated plant nutrient management in sub-saharan africa: from concept to practice. CABI publishing in association with the International Institute of tropical Agriculture, Wallingford, UK, pp 185-197
-
(2002)
Integrated Plant Nutrient Management in Sub-saharan Africa: From Concept to Practice
, pp. 185-197
-
-
Iwuafor, E.N.O.1
Aihou, K.2
Vanlauwe, B.3
Diels, J.4
Sanginga, N.5
Lyasse, O.6
Vanlauwe, B.7
Diels, J.8
Sanginga, N.9
Merckx, R.10
-
13
-
-
0032030256
-
Efficient use of nutrients: An art of balancing
-
Janssen BH (1998) Efficient use of nutrients: an art of balancing. Field Crops Res 56:197-201
-
(1998)
Field Crops Res
, vol.56
, pp. 197-201
-
-
Janssen, B.H.1
-
14
-
-
0025624324
-
A system for quantitative evaluation of the fertility of tropical soils (QUEFTS)
-
Janssen BH, Guiking FCT, van der Eijk D, Smaling EMA, Wolf J, van Reuler H (1990) A system for quantitative evaluation of the fertility of tropical soils (QUEFTS). Geoderma 46:299-318
-
(1990)
Geoderma
, vol.46
, pp. 299-318
-
-
Janssen, B.H.1
Guiking, F.C.T.2
Van Der Eijk, D.3
Smaling, E.M.A.4
Wolf, J.5
Van Reuler, H.6
-
15
-
-
0033859616
-
On crop production and the balance of available resources
-
Kho MR (2000) On crop production and the balance of available resources. Agric Ecosyst Environ 80:71-85
-
(2000)
Agric Ecosyst Environ
, vol.80
, pp. 71-85
-
-
Kho, M.R.1
-
16
-
-
0034813820
-
Fertiliser use and definition of farmer domains for impact oriented research in the northern Guinea Savanna of Nigeria
-
Manyong VM, Makinde KO, Sanginga N, Vanlauwe B, Diels J (2001) Fertiliser use and definition of farmer domains for impact oriented research in the northern Guinea Savanna of Nigeria. Nutr Cyc Agroecosyst 59:129-141
-
(2001)
Nutr Cyc Agroecosyst
, vol.59
, pp. 129-141
-
-
Manyong, V.M.1
Makinde, K.O.2
Sanginga, N.3
Vanlauwe, B.4
Diels, J.5
-
17
-
-
26244465565
-
Process research and soil fertility in Africa: Who cares? in integrated plant nutrient management in sub-saharan africa: From concept to practice
-
Wallingford UK
-
Merckx R (2002) Process research and soil fertility in Africa: who cares? in integrated plant nutrient management in sub-saharan africa: from concept to practice. In: Vanlauwe B, Diels J, Sanginga N, Merckx R (eds) CABI publishing in association with the International Institute of tropical Agriculture, Wallingford, UK, pp 97-111
-
(2002)
CABI Publishing in Association with the International Institute of Tropical Agriculture
, pp. 97-111
-
-
Merckx, R.1
Vanlauwe, B.2
Diels, J.3
Sanginga, N.4
Merckx, R.5
-
18
-
-
34247898040
-
A modified single solution method for the determination of phosphate in natural waters
-
Murphy J, Riley J (1962) A modified single solution method for the determination of phosphate in natural waters. Anal Chim Acta 27:31-36
-
(1962)
Anal Chim Acta
, vol.27
, pp. 31-36
-
-
Murphy, J.1
Riley, J.2
-
20
-
-
0003805581
-
-
Tropical Soil Biology and Fertility Programme Nairobi, Kenya
-
Okalebo JR, Gathua KW, Woomer PL (1993) Laboratory methods of soil and plant analysis: a working manual. Tropical Soil Biology and Fertility Programme, Nairobi, Kenya, p 88
-
(1993)
Laboratory Methods of Soil and Plant Analysis: A Working Manual
, pp. 88
-
-
Okalebo, J.R.1
Gathua, K.W.2
Woomer, P.L.3
-
21
-
-
0004282518
-
-
SAS Institute. SAS Inst Cary, N.C., USA
-
SAS Institute (1999) SAS user's guide. SAS Inst., Cary, N.C., USA
-
(1999)
SAS User's Guide
-
-
-
22
-
-
0344287064
-
Effects of soil properties, mulch and NPK fertilizer on maize yields and nutrient budgets on ferralitic soils in southern Benin
-
Saïdou A, Janssen BH, Temminghoff EJM (2003) Effects of soil properties, mulch and NPK fertilizer on maize yields and nutrient budgets on ferralitic soils in southern Benin. Agric Ecosyst Environ 100:265-273
-
(2003)
Agric Ecosyst Environ
, vol.100
, pp. 265-273
-
-
Saïdou, A.1
Janssen, B.H.2
Temminghoff, E.J.M.3
-
23
-
-
37049093005
-
The Berthelot or indophenol reaction and its use in analytical chemistry of nitrogen. a review
-
Searle PL (1984) The Berthelot or indophenol reaction and its use in analytical chemistry of nitrogen. A review. Analyst (London) 109:549-568
-
(1984)
Analyst (London)
, vol.109
, pp. 549-568
-
-
Searle, P.L.1
-
25
-
-
0027333190
-
Calibration of QUEFTS, a model predicting nutrient uptake and yields from chemical soil fertility indices
-
Smaling EMA, Janssen BH (1993) Calibration of QUEFTS, a model predicting nutrient uptake and yields from chemical soil fertility indices. Geoderma 59:21-44
-
(1993)
Geoderma
, vol.59
, pp. 21-44
-
-
Smaling, E.M.A.1
Janssen, B.H.2
-
26
-
-
38649089069
-
Effect of foliage of locust bean (Parkia biglobosa) and neem (Azadirachta indica) on soil fertility and productivity of early maize in asavanna Alfisol
-
Badu-Apraku B, Fakorede MAB, Ouedraogo M, Carsky RJ (eds) 4-7 May 1999, IITA-Cotonou, Benin Republic
-
Uyovbisere EO, Elemo KA and Tarfa BD (2001) Effect of foliage of locust bean (Parkia biglobosa) and neem (Azadirachta indica) on soil fertility and productivity of early maize in asavanna Alfisol. In: Badu-Apraku B, Fakorede MAB, Ouedraogo M, Carsky RJ (eds) Impact, challenges and prospects of maize research and development in West and Central Africa. Proceedings of a regional maize workshop 4-7 May 1999, IITA-Cotonou, Benin Republic, pp 185-194
-
(2001)
Impact, Challenges and Prospects of Maize Research and Development in West and Central Africa. Proceedings of a Regional Maize Workshop
, pp. 185-194
-
-
Uyovbisere, E.O.1
Elemo, K.A.2
Tarfa, B.D.3
-
27
-
-
0020386641
-
Some comments on the evaluation of model performance
-
Willmott CJ (1982) Some comments on the evaluation of model performance. Bull Am Meteorological Soc 63:1309-1313
-
(1982)
Bull Am Meteorological Soc
, vol.63
, pp. 1309-1313
-
-
Willmott, C.J.1
-
28
-
-
0032849179
-
Internal nutrient efficiencies of irrigated lowland rice in tropical and subtropical Asia
-
Witt C, Dobermann A, Abdulrachman S, Gines HC, Guanghuo W, Nagarajan R, Satawatananont S, Thuc Son T, Sy Tan P, Van Tiem L (1999) Internal nutrient efficiencies of irrigated lowland rice in tropical and subtropical Asia. Field Crops Res 63:113-138
-
(1999)
Field Crops Res
, vol.63
, pp. 113-138
-
-
Witt, C.1
Dobermann, A.2
Abdulrachman, S.3
Gines, H.C.4
Guanghuo, W.5
Nagarajan, R.6
Satawatananont, S.7
Thuc Son, T.8
Sy Tan, P.9
Van Tiem, L.10
|