-
1
-
-
0002102284
-
Use of an ammonia electrode for determination of ammonium in Kjeldahl
-
J.M. Bremner, and M.A. Tabatabai Use of an ammonia electrode for determination of ammonium in Kjeldahl Commun. Soil Sci. Plant Anal. 3 1972 159 165
-
(1972)
Commun. Soil Sci. Plant Anal.
, vol.3
, pp. 159-165
-
-
Bremner, J.M.1
Tabatabai, M.A.2
-
2
-
-
0027044264
-
Particulate soil organic matter changes across a grassland cultivation sequence
-
C.A. Cambardella, and E.T. Elliot Particulate soil organic matter changes across a grassland cultivation sequence Soil Sci. Soc. Am. J. 56 1992 777 783
-
(1992)
Soil Sci. Soc. Am. J.
, vol.56
, pp. 777-783
-
-
Cambardella, C.A.1
Elliot, E.T.2
-
4
-
-
0028163075
-
Growth of ten multipurpose tree species on acid soils of Sangmelima, Cameroon
-
B. Duguma, J. Tonye, J. Kanmegne, T. Manga, and T. Enoch Growth of ten multipurpose tree species on acid soils of Sangmelima, Cameroon Agrofor. Syst. 27 1994 107 119
-
(1994)
Agrofor. Syst.
, vol.27
, pp. 107-119
-
-
Duguma, B.1
Tonye, J.2
Kanmegne, J.3
Manga, T.4
Enoch, T.5
-
5
-
-
0028159654
-
Carbon storage by introducing deep-rooted grasses in the South American savannas
-
M.J. Fisher, I.M. Rao, M.A. Ayarza, C.E. Lascano, J.I. Sanz, R.J. Thomas, and R.R. Vera Carbon storage by introducing deep-rooted grasses in the South American savannas Nature 371 1994 236 238
-
(1994)
Nature
, vol.371
, pp. 236-238
-
-
Fisher, M.J.1
Rao, I.M.2
Ayarza, M.A.3
Lascano, C.E.4
Sanz, J.I.5
Thomas, R.J.6
Vera, R.R.7
-
6
-
-
0000574739
-
Light fraction and macroorganic matter in mineral soils
-
M.R. Carter Lewis Publisher Boca Raton
-
E.G. Gregorich, and B.H. Ellert Light fraction and macroorganic matter in mineral soils M.R. Carter Soil Sampling Methods of Analysis 1993 Lewis Publisher Boca Raton 175 203
-
(1993)
Soil Sampling Methods of Analysis
, pp. 175-203
-
-
Gregorich, E.G.1
Ellert, B.H.2
-
7
-
-
0021599011
-
Determination of total organic C in soils by an improved chromic acid digestion and spectrometric procedure
-
D.L. Heanes Determination of total organic C in soils by an improved chromic acid digestion and spectrometric procedure Commun. Soil Sci. Plant Anal. 15 1984 1191 1213
-
(1984)
Commun. Soil Sci. Plant Anal.
, vol.15
, pp. 1191-1213
-
-
Heanes, D.L.1
-
8
-
-
0033371843
-
Soil fertility enhancement by planted tree-fallow species in the humid lowlands of Cameroon
-
J. Kanmegne, B. Duguma, J. Henrot, and N.O. Isirimah Soil fertility enhancement by planted tree-fallow species in the humid lowlands of Cameroon Agrofor. Syst. 46 1999 239 249
-
(1999)
Agrofor. Syst.
, vol.46
, pp. 239-249
-
-
Kanmegne, J.1
Duguma, B.2
Henrot, J.3
Isirimah, N.O.4
-
9
-
-
0034976711
-
Soil organic matter assessment in natural regrowth, P. phaseoloides phaseoloides and Mucuna pruriens fallow
-
L.-S. Koutika, S. Hauser, and J. Henrot Soil organic matter assessment in natural regrowth, P. phaseoloides phaseoloides and Mucuna pruriens fallow Soil Biol. Biochem. 33 2001 1095 1101
-
(2001)
Soil Biol. Biochem.
, vol.33
, pp. 1095-1101
-
-
Koutika, L.-S.1
Hauser, S.2
Henrot, J.3
-
10
-
-
0036272437
-
Chemical properties and soil organic matter assessment in fallow systems in the forest margins benchmark
-
L.-S. Koutika, N. Sanginga, B. Vanlauwe, and S. Weise Chemical properties and soil organic matter assessment in fallow systems in the forest margins benchmark Soil Biol. Biochem. 34 6 2002 757 765
-
(2002)
Soil Biol. Biochem.
, vol.34
, Issue.6
, pp. 757-765
-
-
Koutika, L.-S.1
Sanginga, N.2
Vanlauwe, B.3
Weise, S.4
-
11
-
-
7944231814
-
Comparative study of soil properties under Chromolaena odorata, Pueraria phaseoloides and Calliandra calothyrsus
-
L.-S. Koutika, J.G. Meutem Kamga, and B. Yerima Comparative study of soil properties under Chromolaena odorata, Pueraria phaseoloides and Calliandra calothyrsus Plant Soil 2004 (in press)
-
(2004)
Plant Soil
-
-
Koutika, L.-S.1
Meutem Kamga, J.G.2
Yerima, B.3
-
12
-
-
0003772651
-
C. calothyrsus series Racemosae: Taxonomic information; OFI seed collections; Trial design
-
University of Oxford Oxford
-
J.D. MacQueen C. calothyrsus series Racemosae: taxonomic information; OFI seed collections; trial design Oxford Forestry Institute, Department of Plant Sciences 1993 University of Oxford Oxford 157 pp.
-
(1993)
Oxford Forestry Institute, Department of Plant Sciences
-
-
MacQueen, J.D.1
-
13
-
-
0021560138
-
Mehlich 3 soil test extractant: A modification of the Mehlich 2 extractant
-
N.W. Mehlich Mehlich 3 soil test extractant: a modification of the Mehlich 2 extractant Commun. Soil Sci. Plant Anal. 15 1984 1409 1416
-
(1984)
Commun. Soil Sci. Plant Anal.
, vol.15
, pp. 1409-1416
-
-
Mehlich, N.W.1
-
14
-
-
0020637085
-
Spectrophotometric determination of phosphate in river waters with molybdate and malachite green
-
S. Motomizu, P. Wakimoto, and K. Toei Spectrophotometric determination of phosphate in river waters with molybdate and malachite green Analyst (London) 108 1983 361 367
-
(1983)
Analyst (London)
, vol.108
, pp. 361-367
-
-
Motomizu, S.1
Wakimoto, P.2
Toei, K.3
-
15
-
-
0001376992
-
A simple digestion procedure for estimation of ammonium in Kjeldahl soils
-
D.W. Nelson, and L.E. Sommers A simple digestion procedure for estimation of ammonium in Kjeldahl soils J. Environ. Qual. 1 1972 423 425
-
(1972)
J. Environ. Qual.
, vol.1
, pp. 423-425
-
-
Nelson, D.W.1
Sommers, L.E.2
-
16
-
-
0027091281
-
Effect of fallow and residue management practices on biomass production, weed suppression and soil productivity
-
K. Mulongoy Wiley Chichester*et al.
-
K.A.B. Nguimgo, and V. Balasubramanian Effect of fallow and residue management practices on biomass production, weed suppression and soil productivity K. Mulongoy Biological Nitrogen Fixation and Sustainability of Tropical Agriculture 1992 Wiley Chichester 463 473
-
(1992)
Biological Nitrogen Fixation and Sustainability of Tropical Agriculture
, pp. 463-473
-
-
Nguimgo, K.A.B.1
Balasubramanian, V.2
-
17
-
-
0038383004
-
Effects of C. calothyrsus planting pattern on biomass production and nutrient accumulation in planted fallows of southern Cameroon
-
C. Nolte, T. Tiki-Manga, S. Badjel-Badjel, J. Gockowski, S. Hauser, and S.F. Weise Effects of C. calothyrsus planting pattern on biomass production and nutrient accumulation in planted fallows of southern Cameroon For. Ecol. Manag. 179 2003 535 545
-
(2003)
For. Ecol. Manag.
, vol.179
, pp. 535-545
-
-
Nolte, C.1
Tiki-Manga, T.2
Badjel-Badjel, S.3
Gockowski, J.4
Hauser, S.5
Weise, S.F.6
-
18
-
-
0031952649
-
Legume rotation in the moist tropical savanna: Managing soil nitrogen dynamics and cereal yields in Farmers' fields
-
S.O. Oikeh, V.O. Chude, R.J. Carsky, G.K. Weber, and W.J. Horst Legume rotation in the moist tropical savanna: managing soil nitrogen dynamics and cereal yields in Farmers' fields Exp. Agric. 34 1998 73 83
-
(1998)
Exp. Agric.
, vol.34
, pp. 73-83
-
-
Oikeh, S.O.1
Chude, V.O.2
Carsky, R.J.3
Weber, G.K.4
Horst, W.J.5
-
19
-
-
0002406264
-
Changes in active C fractions as a function of land management practices
-
Madison Wisconsin
-
K.E. Paustian, T. Elliot, H.P. Collins, C.V. Cole, and E.A. Paul Changes in active C fractions as a function of land management practices Agronomy Abstracts 1993 Madison Wisconsin 257
-
(1993)
Agronomy Abstracts
, pp. 257
-
-
Paustian, K.E.1
Elliot, T.2
Collins, H.P.3
Cole, C.V.4
Paul, E.A.5
-
20
-
-
0000207298
-
Soil fertility replenishment in Africa: An investment in natural resource capital Replenishment soil fertility in Africa
-
P.A. Sanchez, A.U. Mokwunye, F.R. Kwesiga, C.G. Ndiritu, and P.L. Woomer Soil fertility replenishment in Africa: an investment in natural resource capital Replenishment soil fertility in Africa SSSA Special Publication 1997 2 46
-
(1997)
SSSA Special Publication
, pp. 2-46
-
-
Sanchez, P.A.1
Mokwunye, A.U.2
Kwesiga, F.R.3
Ndiritu, C.G.4
Woomer, P.L.5
-
22
-
-
0004282518
-
-
Fourth edition SAS Institute Cary, NC
-
SAS Fourth edition SAS Stat User's Guide, Version 6 vol. 2 1989 SAS Institute Cary, NC 846 pp.
-
(1989)
SAS Stat User's Guide, Version 6
, vol.2
-
-
Sas1
-
23
-
-
0033586460
-
Characterization of the alternative-to-slash-and-burn benchmark research area representing the Congolese rainforests of Africa using near-real-time SPOT HRV data
-
P.S. Thenkabail Characterization of the alternative-to-slash-and-burn benchmark research area representing the Congolese rainforests of Africa using near-real-time SPOT HRV data Int. J. Remote Sens. 20 1999 839 877
-
(1999)
Int. J. Remote Sens.
, vol.20
, pp. 839-877
-
-
Thenkabail, P.S.1
-
24
-
-
0027796458
-
Mulching effect of plant residues with chemically contrasting compositions on maize growth and nutrient accumulation
-
G. Tian, B.T. Kang, and L. Brussaard Mulching effect of plant residues with chemically contrasting compositions on maize growth and nutrient accumulation Plant Soil 153 1993 179 187
-
(1993)
Plant Soil
, vol.153
, pp. 179-187
-
-
Tian, G.1
Kang, B.T.2
Brussaard, L.3
-
25
-
-
0032830222
-
An improved cover crop-fallow system for sustainable management of low activity clay soils of the tropics
-
G. Tian, G.O. Kolawole, F.K. Salako, and B.T. Kang An improved cover crop-fallow system for sustainable management of low activity clay soils of the tropics Soil Sci. 164 1999 671 682
-
(1999)
Soil Sci.
, vol.164
, pp. 671-682
-
-
Tian, G.1
Kolawole, G.O.2
Salako, F.K.3
Kang, B.T.4
-
26
-
-
0032422673
-
Alley cropping in the moist savanna of West Africa: III. Soil organic matter fractionation and soil productivity
-
B. Vanlauwe, S. Aman, K. Aihou, B.K. Tossah, V. Adebeyi, N. Sanginga, O. Lyasse, J. Diels, and R. Merckx Alley cropping in the moist savanna of West Africa: III. Soil organic matter fractionation and soil productivity Agrofor. Syst. 42 1999 245 264
-
(1999)
Agrofor. Syst.
, vol.42
, pp. 245-264
-
-
Vanlauwe, B.1
Aman, S.2
Aihou, K.3
Tossah, B.K.4
Adebeyi, V.5
Sanginga, N.6
Lyasse, O.7
Diels, J.8
Merckx, R.9
-
27
-
-
0034060267
-
Nitrogen and phosphorus uptake by maize as affected by particulate organic matter quality, soil characteristics, and land use history for soils from the West African moist savannah zone
-
B. Vanlauwe, K. Aihou, S. Aman, B.K. Tossah, J. Diels, O. Lyasse, S. Hauser, N. Sanginga, and R. Merckx Nitrogen and phosphorus uptake by maize as affected by particulate organic matter quality, soil characteristics, and land use history for soils from the West African moist savannah zone Biol. Fertil. Soils 30 2000 440 449
-
(2000)
Biol. Fertil. Soils
, vol.30
, pp. 440-449
-
-
Vanlauwe, B.1
Aihou, K.2
Aman, S.3
Tossah, B.K.4
Diels, J.5
Lyasse, O.6
Hauser, S.7
Sanginga, N.8
Merckx, R.9
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