-
1
-
-
85101890814
-
El problema de la salinidad y el sodio en el Valle del Cauca
-
Aguilera, F. 1979. El problema de la salinidad y el sodio en el Valle del Cauca. Suelos Ecuat. 10: 98-114.
-
(1979)
Suelos Ecuat.
, vol.10
, pp. 98-114
-
-
Aguilera, F.1
-
2
-
-
0002636388
-
Decomposition in tropical rainforests
-
S.L. Sutton, et al. (ed.), Blackwell Sci. Publ., Oxford, UK
-
Anderson, J.M., and M.J. Swift. 1984. Decomposition in tropical rainforests, p. 287-309. In S.L. Sutton, et al. (ed.) The tropical rainforest. Blackwell Sci. Publ., Oxford, UK.
-
(1984)
The tropical rainforest
, pp. 287-309
-
-
Anderson, J.M.1
Swift, M.J.2
-
3
-
-
84935517188
-
Soil nitrogen and organic matter
-
Natl. Acad. Sci., Washington, DC
-
Bartholomew, W.V. 1972. Soil nitrogen and organic matter, p. 63-81. Soils of the humid tropics. Natl. Acad. Sci., Washington, DC.
-
(1972)
Soils of the humid tropics
, pp. 63-81
-
-
Bartholomew, W.V.1
-
4
-
-
84981834047
-
The organic matter and nitrogen status of East African soils
-
Birch, H.F., and M.T. Friend. 1956. The organic matter and nitrogen status of East African soils. J. Soil Sci. 7: 156-167.
-
(1956)
J. Soil Sci.
, vol.7
, pp. 156-167
-
-
Birch, H.F.1
Friend, M.T.2
-
5
-
-
84934573926
-
Estado actual de las investigaciones sobre micronutrientes en America Latina
-
Blasco, M., and C. Soto. 1978. Estado actual de las investigaciones sobre micronutrientes en America Latina. Suelos Ecuat. 9: 160-164.
-
(1978)
Suelos Ecuat.
, vol.9
, pp. 160-164
-
-
Blasco, M.1
Soto, C.2
-
7
-
-
85101891775
-
-
W. Bulmer and Co., St. James; East India Co., London
-
Buchanan, F. 1807. A journey from Madras through the countries of Mysore, Canara, and Malabar. Vol. 2. W. Bulmer and Co., St. James; East India Co., London.
-
(1807)
A journey from Madras through the countries of Mysore, Canara, and Malabar
, vol.2
-
-
Buchanan, F.1
-
8
-
-
0011334495
-
Soil fertility capability classification
-
E. Bornemisza and A. Alvarado (ed.), North Carolina State Univ., Raleigh
-
Buol, S.W., P.A. Sanchez, R.B. Cate, and M.A. Granger. 1975. Soil fertility capability classification, p. 126-141. In E. Bornemisza and A. Alvarado (ed.) Soil Management in tropical America. North Carolina State Univ., Raleigh.
-
(1975)
Soil Management in tropical America
, pp. 126-141
-
-
Buol, S.W.1
Sanchez, P.A.2
Cate, R.B.3
Granger, M.A.4
-
9
-
-
85103361490
-
Predicted impact of climate warming on soil properties and use
-
B.A. Kimball et al. (ed.), ASA Spec. Publ. 53. ASA, CSSA, and SSSA, Madison, WI
-
Buol, S.W., P.A. Sanchez, J.M. Kimble, and S.B. Weed. 1990. Predicted impact of climate warming on soil properties and use. p. 71-82. In B.A. Kimball et al. (ed.) Impact of carbon dioxide trace gases, and climate change on global agriculture. ASA Spec. Publ. 53. ASA, CSSA, and SSSA, Madison, WI.
-
(1990)
Impact of carbon dioxide trace gases, and climate change on global agriculture
, pp. 71-82
-
-
Buol, S.W.1
Sanchez, P.A.2
Kimble, J.M.3
Weed, S.B.4
-
11
-
-
84895276422
-
Soil management systems
-
Natl. Acad, of Sci., Washington, DC
-
Coulter, J.K. 1972. Soil management systems, p. 189-197. In Soils of the humid tropics. Natl. Acad, of Sci., Washington, DC.
-
(1972)
Soils of the humid tropics
, pp. 189-197
-
-
Coulter, J.K.1
-
12
-
-
34748833490
-
Nitrogen and organic matter in Hawaiian pineapple soils
-
Dean, A.L. 1930. Nitrogen and organic matter in Hawaiian pineapple soils. Soil Sci. 30: 439-442.
-
(1930)
Soil Sci.
, vol.30
, pp. 439-442
-
-
Dean, A.L.1
-
15
-
-
85023467649
-
-
ASA Spec. Publ. 34. ASA, Madison, WI
-
Drosdoff, M., R.B. Daniels, and J.J. Nicholaides (ed.) 1978. Diversity of soils in the tropics. ASA Spec. Publ. 34. ASA, Madison, WI.
-
(1978)
Diversity of soils in the tropics
-
-
Drosdoff, M.1
Daniels, R.B.2
Nicholaides, J.J.3
-
16
-
-
0002778827
-
Soil organic matter as a source and a sink of plant nutrients
-
D.C. Coleman et al. (ed.), Univ. of Hawaii Press, Honolulu
-
Duxbury, J.M., M.S. Smith, and J.W. Doran. 1989. Soil organic matter as a source and a sink of plant nutrients, p. 33-67. In D.C. Coleman et al. (ed.) Dynamics of soil organic matter in tropical ecosystems. Univ. of Hawaii Press, Honolulu.
-
(1989)
Dynamics of soil organic matter in tropical ecosystems
, pp. 33-67
-
-
Duxbury, J.M.1
Smith, M.S.2
Doran, J.W.3
-
17
-
-
85101894960
-
-
UNESCO, Paris
-
Food and Agriculture Organization of the United Nations. 1971-1979. Soil map of the world. 9 volumes. UNESCO, Paris.
-
(1971)
Soil map of the world
, vol.9
-
-
-
18
-
-
85029030240
-
-
FAO, Rome
-
Food and Agriculture Organization of the United Nations. 1986. Yearbook of agriculture for 1985. FAO, Rome.
-
(1986)
Yearbook of agriculture for 1985
-
-
-
19
-
-
32144455632
-
The Amazon basin, another Sahel?
-
Friedman, I. 1977. The Amazon basin, another Sahel? Science 197: 7.
-
(1977)
Science
, vol.197
, pp. 7
-
-
Friedman, I.1
-
23
-
-
84981752343
-
Increases in carbon and nitrogen contents of tropical soils under natural fallows
-
Greenland, D.J., and P.H. Nye. 1959. Increases in carbon and nitrogen contents of tropical soils under natural fallows. J. Soil Sci. 9: 284-299.
-
(1959)
J. Soil Sci.
, vol.9
, pp. 284-299
-
-
Greenland, D.J.1
Nye, P.H.2
-
24
-
-
0011723360
-
Soil infertility in the Amazonian rainforest
-
Irion, G. 1978. Soil infertility in the Amazonian rainforest. Naturwissenschaften 65: 515-519.
-
(1978)
Naturwissenschaften
, vol.65
, pp. 515-519
-
-
Irion, G.1
-
29
-
-
33745016691
-
Soil organic matter and nitrogen behavior in cropped soils
-
Lathwell, D.J., and D.R. Bouldin. 1981. Soil organic matter and nitrogen behavior in cropped soils. Trop. Agric. (Trinidad) 58: 341-348.
-
(1981)
Trop. Agric. (Trinidad)
, vol.58
, pp. 341-348
-
-
Lathwell, D.J.1
Bouldin, D.R.2
-
31
-
-
84935103012
-
Soil erosion on cultivated steeplands of the humid tropics and subtropics
-
D.D. Southgate and J.F. Disinger (ed.), Westview Press, Boulder, CO
-
Logan, T.J., and L.R. Cooperband. 1987. Soil erosion on cultivated steeplands of the humid tropics and subtropics. p. 21-38. In D.D. Southgate and J.F. Disinger (ed.) Sustainable resource development in the Third World. Westview Press, Boulder, CO.
-
(1987)
Sustainable resource development in the Third World
, pp. 21-38
-
-
Logan, T.J.1
Cooperband, L.R.2
-
32
-
-
4244045817
-
Micronutrient in soils of the tropics as constraints to food production
-
Int. Rice. Res. Inst., Los Banos, Philippines
-
Lopes, A.S. 1980. Micronutrient in soils of the tropics as constraints to food production, p. 277-298. In Priorities for alleviating soil-related constraints to food production in the tropics. Int. Rice. Res. Inst., Los Banos, Philippines.
-
(1980)
Priorities for alleviating soil-related constraints to food production in the tropics
, pp. 277-298
-
-
Lopes, A.S.1
-
33
-
-
0347324318
-
-
Inst, da Potassa e Fosfato, Piracicaba, S.P., Brazil
-
Lopes, A.S. 1983. Solos sob Cerrado. Inst, da Potassa e Fosfato, Piracicaba, S.P., Brazil.
-
(1983)
Solos sob Cerrado
-
-
Lopes, A.S.1
-
34
-
-
23744500959
-
RelacSo de caractensticas fisicas, qmmicas e mineralogicas en solos sob cerrados
-
Lopes, A.S., and F.R. Cox. 1979. RelacSo de caractensticas fisicas, qmmicas e mineralogicas en solos sob cerrados. Rev. Bras. Cienc. Solo 3: 82-88.
-
(1979)
Rev. Bras. Cienc. Solo
, vol.3
, pp. 82-88
-
-
Lopes, A.S.1
Cox, F.R.2
-
35
-
-
0002199058
-
Laterite soils
-
McNeil, M. 1964. Laterite soils. Sci. Am. 211: 68-73.
-
(1964)
Sci. Am.
, vol.211
, pp. 68-73
-
-
McNeil, M.1
-
36
-
-
85101895659
-
The soils of the lowland rainy tropical climates, their inherent limitations for food production and related climatic restraint
-
Moorman, F.R., and A. Van Wembeke. 1978. The soils of the lowland rainy tropical climates, their inherent limitations for food production and related climatic restraint. Int. Soc. Soil Sci. Trans. 11th Congr. 2: 292-312.
-
(1978)
Int. Soc. Soil Sci. Trans. 11th Congr.
, vol.2
, pp. 292-312
-
-
Moorman, F.R.1
Van Wembeke, A.2
-
37
-
-
0010471758
-
Zinc, sulfur and other micronutrients in wetland soils
-
Int. Rice. Res. Inst., Los Baños, Philippines
-
Neue, H.E., and CP. Mamaril. 1985. Zinc, sulfur and other micronutrients in wetland soils, p. 307-320. In Wetland soils: Characterization, classification and utilization. Int. Rice. Res. Inst., Los Baños, Philippines.
-
(1985)
Wetland soils: Characterization, classification and utilization
, pp. 307-320
-
-
Neue, H.E.1
Mamaril, C.P.2
-
38
-
-
3242711567
-
Soil salinity as a constraint on food production in the humid tropics
-
Int. Rice Res. Inst., Los Banos, Philippines
-
Ponnamperuma, F.N., and A.K. Bandyopadhya. 1980. Soil salinity as a constraint on food production in the humid tropics, p. 203-216. In Priorities for alleviating soil-related constraints of food production in the tropics. Int. Rice Res. Inst., Los Banos, Philippines.
-
(1980)
Priorities for alleviating soil-related constraints of food production in the tropics
, pp. 203-216
-
-
Ponnamperuma, F.N.1
Bandyopadhya, A.K.2
-
39
-
-
0020427479
-
Soil carbon pools and world life zones
-
Post, W.M., W.R. Emanuel, P.J. Zinke, and A.G. Stangeberger. 1982. Soil carbon pools and world life zones. Nature (London) 298: 156-159.
-
(1982)
Nature (London)
, vol.298
, pp. 156-159
-
-
Post, W.M.1
Emanuel, W.R.2
Zinke, P.J.3
Stangeberger, A.G.4
-
41
-
-
85101888564
-
Evaluacíon de la relacíon calcio/magnesio en suelos del Valle del Cauca
-
Ramírez, A. 1979. Evaluacíon de la relacíon calcio/magnesio en suelos del Valle del Cauca. Suelos Ecuat. 10: 147-155.
-
(1979)
Suelos Ecuat.
, vol.10
, pp. 147-155
-
-
Ramírez, A.1
-
42
-
-
84955086242
-
Vanishing forest
-
Reiss, S., L. Rother, H. Jensen, B. Came, J. Taylor, and M. Lord. 1980. Vanishing forest. Newsweek 24: 117-122.
-
(1980)
Newsweek
, vol.24
, pp. 117-122
-
-
Reiss, S.1
Rother, L.2
Jensen, H.3
Came, B.4
Taylor, J.5
Lord, M.6
-
43
-
-
77956843401
-
Soil diversity in the tropics
-
Richter, D.D., and L.I. Babbar. 1991. Soil diversity in the tropics. Adv. Ecol. Res. 21: 315-389.
-
(1991)
Adv. Ecol. Res.
, vol.21
, pp. 315-389
-
-
Richter, D.D.1
Babbar, L.I.2
-
45
-
-
0016823215
-
Soils of the tropics and the world food crisis
-
Sanchez, P.A., and S.W. Buol. 1975. Soils of the tropics and the world food crisis. Science 188: 598-603.
-
(1975)
Science
, vol.188
, pp. 598-603
-
-
Sanchez, P.A.1
Buol, S.W.2
-
46
-
-
0019927278
-
The fertility capability soil classification system: Interpretation, applicability and modification
-
Sanchez, P.A., W. Couto, and S.W. Buol. 1982. The fertility capability soil classification system: Interpretation, applicability and modification. Geoderma 27: 283-309.
-
(1982)
Geoderma
, vol.27
, pp. 283-309
-
-
Sanchez, P.A.1
Couto, W.2
Buol, S.W.3
-
47
-
-
0001849477
-
Organic matter in major soils of the tropical and temperate region
-
Sanchez, P.A., M.P. Gichuru, and L.B. Katz. 1982. Organic matter in major soils of the tropical and temperate region. Int. Congr. Soil Sci., 12th (New Delhi) 1: 99-114.
-
(1982)
Int. Congr. Soil Sci., 12th (New Delhi)
, vol.1
, pp. 99-114
-
-
Sanchez, P.A.1
Gichuru, M.P.2
Katz, L.B.3
-
48
-
-
0008103489
-
Organic matter and soil fertility management in acid soils of the tropic
-
Sanchez, P.A., and R.H. Miller. 1986. Organic matter and soil fertility management in acid soils of the tropic. Int. Soc. Soil. Sci. Trans. 13th Congr. 6: 609-625.
-
(1986)
Int. Soc. Soil. Sci. Trans. 13th Congr.
, vol.6
, pp. 609-625
-
-
Sanchez, P.A.1
Miller, R.H.2
-
49
-
-
27844442367
-
-
IBSRAM Proc. No. 2, Bangkok, Thailand
-
Sanchez, P.A., E. Pushparajah, and E.R. Stoner (ed.). 1987. Management of acid tropical soils for sustainable agriculture. IBSRAM Proc. No. 2, Bangkok, Thailand.
-
(1987)
Management of acid tropical soils for sustainable agriculture
-
-
Sanchez, P.A.1
Pushparajah, E.2
Stoner, E.R.3
-
51
-
-
9144272495
-
-
(Transl. N. Kaner). Israel Prog, for Sci. Transl., and USDA, Jerusalem and Washington, DC
-
Sibirtzev, N.M. 1949. Soil science. (Transl. N. Kaner). Israel Prog, for Sci. Transl., and USDA, Jerusalem and Washington, DC.
-
(1949)
Soil science
-
-
Sibirtzev, N.M.1
-
53
-
-
0242296777
-
Organic matter and nitrogen build-ups in some Puerto Rican soils profiles
-
Smith, R.M., G. Samuels, and C.F. Cernuda. 1951. Organic matter and nitrogen build-ups in some Puerto Rican soils profiles. Soil Sci. 72: 409-427.
-
(1951)
Soil Sci.
, vol.72
, pp. 409-427
-
-
Smith, R.M.1
Samuels, G.2
Cernuda, C.F.3
-
54
-
-
85101889001
-
Establishment of an international soils and land resources information base
-
Int. Soils Ref. and Info. Centre, Wageningen, Netherlands
-
Sombroek, W.G. 1986. Establishment of an international soils and land resources information base. SOTER Rep. 1: 118-124. Int. Soils Ref. and Info. Centre, Wageningen, Netherlands.
-
(1986)
SOTER Rep.
, vol.1
, pp. 118-124
-
-
Sombroek, W.G.1
-
56
-
-
0020869085
-
Our greatest challenge: Feeding a hungry world
-
G. Bixter and L.W. Shemilt (ed.), Int. Rice Res. Inst., Los Banrios, Philippines
-
Swaminathan, M.S. 1982. Our greatest challenge: Feeding a hungry world, p. 25-46. In G. Bixter and L.W. Shemilt (ed.). Chemistry and world food supplies: The new frontiers. Int. Rice Res. Inst., Los Banrios, Philippines.
-
(1982)
Chemistry and world food supplies: The new frontiers
, pp. 25-46
-
-
Swaminathan, M.S.1
-
58
-
-
0003601128
-
-
Westview Press, Boulder, CO
-
Uehara, G., and G. Gillman. 1981. The mineralogy, chemistry and physics of tropical soils with variable charge clays. Westview Press, Boulder, CO.
-
(1981)
The mineralogy, chemistry and physics of tropical soils with variable charge clays
-
-
Uehara, G.1
Gillman, G.2
-
59
-
-
0003714892
-
-
ORNL/TM-8875. Oak Ridge Natl, lab., Oak Ridge, TN
-
Zinke, P.J., A.G. Stanganberger, W.M. Post, W.R. Emanuel, and J.S. Olson. 1984. Worldwide organic soil carbon and nitrogen data. ORNL/TM-8875. Oak Ridge Natl, lab., Oak Ridge, TN.
-
(1984)
Worldwide organic soil carbon and nitrogen data
-
-
Zinke, P.J.1
Stanganberger, A.G.2
Post, W.M.3
Emanuel, W.R.4
Olson, J.S.5
|