-
1
-
-
84958435482
-
Fertility studies on a sandy loam in semi-arid Tanzania. II. Effects of phosphorus, potassium and lime on yields of groundnuts
-
Anderson, G.D. 1970. Fertility studies on a sandy loam in semi-arid Tanzania. II. Effects of phosphorus, potassium and lime on yields of groundnuts. Exp. Agric. 6:213-222.
-
(1970)
Exp. Agric.
, vol.6
, pp. 213-222
-
-
Anderson, G.D.1
-
3
-
-
0028159621
-
Soil phosphorus fraction dynamics during 18 years of cultivation on a Typic Paleudult
-
Beck, M.A. and P.A. Sanchez. 1994. Soil phosphorus fraction dynamics during 18 years of cultivation on a Typic Paleudult. Soil Sci. Soc. Am. J. 58:1424-1431.
-
(1994)
Soil Sci. Soc. Am. J.
, vol.58
, pp. 1424-1431
-
-
Beck, M.A.1
Sanchez, P.A.2
-
4
-
-
0001862182
-
Dissolution of phosphate rocks in soils. I. Evaluation of extraction methods for the measurement of phosphate rock dissolution
-
Bolan, N.S. and M.J. Hedley. 1989. Dissolution of phosphate rocks in soils. I. Evaluation of extraction methods for the measurement of phosphate rock dissolution. Fert. Res. 19:65-75.
-
(1989)
Fert. Res.
, vol.19
, pp. 65-75
-
-
Bolan, N.S.1
Hedley, M.J.2
-
5
-
-
0006792823
-
Effects of ground rock phosphate and elemental S on yield and P uptake of maize in western Kenya
-
Bromfield, A.R., I.R. Hancock, and D.F. Debenham. 1981. Effects of ground rock phosphate and elemental S on yield and P uptake of maize in western Kenya. Exp. Agric. 17:383-387.
-
(1981)
Exp. Agric.
, vol.17
, pp. 383-387
-
-
Bromfield, A.R.1
Hancock, I.R.2
Debenham, D.F.3
-
6
-
-
85102670433
-
Building soil phosphorus capital in Africa
-
R.J. Buresh, P.A. Sanchez and F. Calhoun (eds.), SSSA Spec. Publ. 51. Soil Science Society of America, Madison, WI
-
Buresh, R.J., P.C. Smithson, and D.T. Hellums. 1997. Building soil phosphorus capital in Africa. pp. 111-149. In: R.J. Buresh, P.A. Sanchez and F. Calhoun (eds.), Replenishing Soil Fertility in Africa. SSSA Spec. Publ. 51. Soil Science Society of America, Madison, WI.
-
(1997)
Replenishing Soil Fertility in Africa
, pp. 111-149
-
-
Buresh, R.J.1
Smithson, P.C.2
Hellums, D.T.3
-
7
-
-
0029471916
-
Factors affecting the agronomic effectiveness of phosphate rock for direct application
-
Chien, S.H. and R.G. Menon. 1995. Factors affecting the agronomic effectiveness of phosphate rock for direct application. Fert. Res. 41:227-234.
-
(1995)
Fert. Res.
, vol.41
, pp. 227-234
-
-
Chien, S.H.1
Menon, R.G.2
-
8
-
-
0000221797
-
A descriptive model of soil test nutrient levels following fertilization
-
Cox, F.R., E.J. Kamprath, and R.E. McCollum. 1981. A descriptive model of soil test nutrient levels following fertilization. Soil Sci. Soc. Am. J. 45:529-532.
-
(1981)
Soil Sci. Soc. Am. J.
, vol.45
, pp. 529-532
-
-
Cox, F.R.1
Kamprath, E.J.2
McCollum, R.E.3
-
9
-
-
0000220545
-
Phosphate sorption isotherms for evaluating the phosphate requirements of soil
-
Fox, R.L. and E.J. Kamprath. 1970. Phosphate sorption isotherms for evaluating the phosphate requirements of soil. Soil Sci. Soc. Am. Proc. 34:902-907.
-
(1970)
Soil Sci. Soc. Am. Proc.
, vol.34
, pp. 902-907
-
-
Fox, R.L.1
Kamprath, E.J.2
-
11
-
-
0006185716
-
Agronomic value of unacidulated and partially acidulated phosphate rocks indigenous to the tropics
-
Hammond, L.L., S.H. Chien, and A.U. Mokwunye. 1986. Agronomic value of unacidulated and partially acidulated phosphate rocks indigenous to the tropics. Adv. Agron. 40:89-140.
-
(1986)
Adv. Agron.
, vol.40
, pp. 89-140
-
-
Hammond, L.L.1
Chien, S.H.2
Mokwunye, A.U.3
-
12
-
-
0031420924
-
Developments in some aspects of reactive phosphate rock research and use in New Zealand
-
Hedley, M.J. and N.S. Bolan. 1997. Developments in some aspects of reactive phosphate rock research and use in New Zealand. Aust. J. Exp. Agric. 37:861-884.
-
(1997)
Aust. J. Exp. Agric.
, vol.37
, pp. 861-884
-
-
Hedley, M.J.1
Bolan, N.S.2
-
13
-
-
0030864910
-
Agronomic and economic evaluation of organic and inorganic sources of phosphorus in western Kenya
-
Jama, B., R.A. Swinkels, and R.J. Buresh. 1997. Agronomic and economic evaluation of organic and inorganic sources of phosphorus in western Kenya. Agron. J. 89:597-604.
-
(1997)
Agron. J.
, vol.89
, pp. 597-604
-
-
Jama, B.1
Swinkels, R.A.2
Buresh, R.J.3
-
14
-
-
0030459069
-
Residual phosphorus and long-term management strategies for an Ultisol
-
Linquist, B.A., P.W. Singleton, K.G. Cassman, and K. Keane. 1996. Residual phosphorus and long-term management strategies for an Ultisol. Plant Soil 184:47-55.
-
(1996)
Plant Soil
, vol.184
, pp. 47-55
-
-
Linquist, B.A.1
Singleton, P.W.2
Cassman, K.G.3
Keane, K.4
-
15
-
-
0029472820
-
Soil testing for available phosphorus in soil where phosphate rock-based fertilizers are used
-
Menon, R.G. and S.H. Chien. 1995. Soil testing for available phosphorus in soil where phosphate rock-based fertilizers are used. Fert. Res. 41:179-187.
-
(1995)
Fert. Res.
, vol.41
, pp. 179-187
-
-
Menon, R.G.1
Chien, S.H.2
-
16
-
-
0006794228
-
Effectiveness of Minjingu phosphate rock as a source of phosphorus for maize in some soils of Morogoro, Tanzania
-
Mnkeni, P.N.S., J.M.R. Semoka, and J.B.B.S. Buganga. 1991. Effectiveness of Minjingu phosphate rock as a source of phosphorus for maize in some soils of Morogoro, Tanzania. Zimbabwe J. Agric. Res. 29:27-37.
-
(1991)
Zimbabwe J. Agric. Res.
, vol.29
, pp. 27-37
-
-
Mnkeni, P.N.S.1
Semoka, J.M.R.2
Buganga, J.B.B.S.3
-
17
-
-
0004117421
-
-
Miscellaneous Fertilizer Studies No. 14. International Fertilizer Development Centre-Africa, Lome, Togo, Africa
-
Mokwunye, A.U., A. de Jager, and E.M.A. Smaling (eds.). 1996. Restoring and maintaining the productivity of West African soils: Key to sustainable development. Miscellaneous Fertilizer Studies No. 14. International Fertilizer Development Centre-Africa, Lome, Togo, Africa.
-
(1996)
Restoring and Maintaining the Productivity of West African Soils: Key to Sustainable Development
-
-
Mokwunye, A.U.1
De Jager, A.2
Smaling, E.M.A.3
-
18
-
-
34247898040
-
A modified single solution for the determination of phosphate in natural waters
-
Murphy, J. and J.P. Riley. 1962. A modified single solution 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.P.2
-
19
-
-
0031978770
-
Soil phosphorus fractions and adsorption as affected by organic and inorganic sources
-
Nziguheba, G., C. A. Palm, R.J. Buresh, and P.C. Smithson. 1998. Soil phosphorus fractions and adsorption as affected by organic and inorganic sources. Plant Soil 198:159-168.
-
(1998)
Plant Soil
, vol.198
, pp. 159-168
-
-
Nziguheba, G.1
Palm, C.A.2
Buresh, R.J.3
Smithson, P.C.4
-
20
-
-
34249926457
-
Influence of pH, time and rate of application on phosphate rock dissolution and availability to pastures. II. Soil chemical studies
-
Rajan, S.S.S., R.L. Fox, and W.M.H. Saunders. 1991. Influence of pH, time and rate of application on phosphate rock dissolution and availability to pastures. II. Soil chemical studies. Fert. Res. 28:95-101.
-
(1991)
Fert. Res.
, vol.28
, pp. 95-101
-
-
Rajan, S.S.S.1
Fox, R.L.2
Saunders, W.M.H.3
-
22
-
-
0025621660
-
A critical evaluation of the factors influencing the dissolution of Gafsa phosphate rock
-
Robinson, J.S. and J.K. Syers. 1990. A critical evaluation of the factors influencing the dissolution of Gafsa phosphate rock. J. Soil Sci. 41:597-605.
-
(1990)
J. Soil Sci.
, vol.41
, pp. 597-605
-
-
Robinson, J.S.1
Syers, J.K.2
-
23
-
-
0003382699
-
Development and evaluation of an improved soil test for phosphorus: 1. The influence of phosphorus fertilizer solubility and soil properties on the extractability of soil P
-
Saggar, S., M.J. Medley, and R.E. White. 1992. Development and evaluation of an improved soil test for phosphorus: 1. The influence of phosphorus fertilizer solubility and soil properties on the extractability of soil P. Fert. Res. 33:81-91.
-
(1992)
Fert. Res.
, vol.33
, pp. 81-91
-
-
Saggar, S.1
Medley, M.J.2
White, R.E.3
-
24
-
-
0029817576
-
Nutrient cycling and agroforestry in Africa
-
Sanchez, P.A. and C.A. Palm. 1996. Nutrient cycling and agroforestry in Africa. Unasylva 185 47:24-28.
-
(1996)
Unasylva
, vol.185
, Issue.47
, pp. 24-28
-
-
Sanchez, P.A.1
Palm, C.A.2
-
25
-
-
85102669376
-
Soil fertility replenishment in Africa: An investment in natural resource capital
-
R.J. Buresh, P.A. Sanchez, and F. Calhoun (eds.), SSSA Spec. Publ. 51. Soil Science Society of America, Madison, WI
-
Sanchez, P.A., K.D. Shepherd, M.J. Soule, F.M. Place, R.J. Buresh, A.M.N. Izac, A.U. Mokwunye, F.R. Kwesiga, C.G. Ndiritu, and P.L. Woomer. 1997. Soil fertility replenishment in Africa: An investment in natural resource capital. pp. 1-46. In: R.J. Buresh, P.A. Sanchez, and F. Calhoun (eds.), Replenishing Soil Fertility in Africa. SSSA Spec. Publ. 51. Soil Science Society of America, Madison, WI.
-
(1997)
Replenishing Soil Fertility in Africa
, pp. 1-46
-
-
Sanchez, P.A.1
Shepherd, K.D.2
Soule, M.J.3
Place, F.M.4
Buresh, R.J.5
Izac, A.M.N.6
Mokwunye, A.U.7
Kwesiga, F.R.8
Ndiritu, C.G.9
Woomer, P.L.10
-
26
-
-
0029664070
-
Soil phosphorus dynamics during seventeen years of continuous cultivation: Fractionation analyses
-
Schmidt, J.P., S.W. Buol, and E.J. Kamprath. 1996. Soil phosphorus dynamics during seventeen years of continuous cultivation: Fractionation analyses. Soil Sci. Soc. Am. J. 60:1168-1172.
-
(1996)
Soil Sci. Soc. Am. J.
, vol.60
, pp. 1168-1172
-
-
Schmidt, J.P.1
Buol, S.W.2
Kamprath, E.J.3
-
27
-
-
0028683166
-
Innovative soil phosphorus availability indices: Assessing inorganic phosphorus
-
J.L. Havlin and J.S. Jacobsen (eds.), SSSA Spec. Publ. 40. Soil Science Society of America, Madison, WI
-
Sharpley, A.N., J.T. Sims, and G.M. Pierzynski. 1994. Innovative soil phosphorus availability indices: Assessing inorganic phosphorus. pp. 115-142. In: J.L. Havlin and J.S. Jacobsen (eds.), Soil Testing: Prospects for Improving Nutrient Recommendations. SSSA Spec. Publ. 40. Soil Science Society of America, Madison, WI.
-
(1994)
Soil Testing: Prospects for Improving Nutrient Recommendations
, pp. 115-142
-
-
Sharpley, A.N.1
Sims, J.T.2
Pierzynski, G.M.3
-
28
-
-
0023523775
-
Soil phosphorus forms extracted by soil tests as a function of pedogenesis
-
Sharpley, A.N., H. Tiessen, and C.V. Cole. 1987. Soil phosphorus forms extracted by soil tests as a function of pedogenesis. Soil Sci. Soc. Am. J. 51:362-365.
-
(1987)
Soil Sci. Soc. Am. J.
, vol.51
, pp. 362-365
-
-
Sharpley, A.N.1
Tiessen, H.2
Cole, C.V.3
-
29
-
-
0001751412
-
An investigation of the anion-exchange resin method for soil phosphate extraction
-
Sibbesen, E. 1978. An investigation of the anion-exchange resin method for soil phosphate extraction. Plant Soil 50:305-321.
-
(1978)
Plant Soil
, vol.50
, pp. 305-321
-
-
Sibbesen, E.1
-
30
-
-
85102673914
-
Soil fertility in Africa is at stake
-
R.J. Buresh, P.A. Sanchez, and F. Calhoun (eds.), SSSA Spec. Publ. 51. Soil Science Society of America, Madison, WI
-
Smaling, E.M.A., S.M. Nandwa, and B.H. Janssen. 1997. Soil fertility in Africa is at stake. pp. 47-61. In: R.J. Buresh, P.A. Sanchez, and F. Calhoun (eds.), Replenishing Soil Fertility in Africa. SSSA Spec. Publ. 51. Soil Science Society of America, Madison, WI.
-
(1997)
Replenishing Soil Fertility in Africa
, pp. 47-61
-
-
Smaling, E.M.A.1
Nandwa, S.M.2
Janssen, B.H.3
-
31
-
-
34250079436
-
Calculating soil nutrient balances in Africa at different scales. II. District scale
-
Smaling, E.M.A., J.J. Stoorvogel, and P.N. Windmeijer. 1993. Calculating soil nutrient balances in Africa at different scales. II. District scale. Fert. Res. 35:237-250.
-
(1993)
Fert. Res.
, vol.35
, pp. 237-250
-
-
Smaling, E.M.A.1
Stoorvogel, J.J.2
Windmeijer, P.N.3
-
32
-
-
0002733377
-
Characterization of available phosphorus by sequential extraction
-
M.R. Carter (ed.), Lewis Publishers, Boca Raton, FL
-
Tiessen, H. and J.O. Moir. 1993. Characterization of available phosphorus by sequential extraction. pp. 75-86. In: M.R. Carter (ed.), Soil Sampling and Methods of Analysis. Lewis Publishers, Boca Raton, FL.
-
(1993)
Soil Sampling and Methods of Analysis
, pp. 75-86
-
-
Tiessen, H.1
Moir, J.O.2
|