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Общее количество найденных документов : 214
Показаны документы с 1 по 20
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1.
| Feller C. Activite phosphatasique de quelques sols tropicaux a argile 1:1. Repartition dans les fractions granulometriques // Can. J. Soil Sci., 1994. Vol. 74, N 2.-С.121-129
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2.
| Vizier J.F. Le laboratoire des sols cultives // ORSTOM actual, 1993, N 39.-С.2-6
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| Sanhueza CO[2] emissions from tropical savannah soil under first year of cultivation // Interciencia, 1994. Vol. 19, N 1.-С.20-23
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| Ohta Почвы тропических дождевых лесов ЮгоВосточной Азии // Shinrin ritchi, 1994. Vol. 36, N 1.-С.1-12
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| Щепаченко Г.Л. Ливневая эрозия почв и методы борьбы с ней. - 1991
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| Leon L.A. Nutrient availability in degraded soils of warm areas: The role of fertilizers in the process // Boron in Agriculture, 1994. Vol. 14, N 2.-С.12
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| Les sols de savanne des llanos venezueliens et le sol ferrugineux tropical de Barinas // Cah. ORSTOM. Ser. Pedol., 1992. Vol. 27, N 2.-С.167-202
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8.
| Effect of plowing on CO[2], CO, CH[4], N[2]O, and NO fluxes from tropical savannah soils // J. Geophys. Res. D, 1994. Vol. 99, N 8.-С.16429-16434
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| Chotte Effet du mode de dispersion du sol sur la localisation de sa biomasse microbienne. Cas d'un vertisol // Cah. ORSTOM. Ser. Pedol., 1992. Vol. 27, N 1.-С.81-85
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| Orlando Filho J. A comparison of soil potassium extractants on a sugarcane soil // Better Crops International, 1994. Vol. 10, N 1.-С.16
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11.
| Becker M. Green manure technology: potential, usage, limitations // 15th World Congr. Soil Sci., Acapulco, July, 1994. -Mexico, 1994. Commiss. 3 Symp., Vol. 4а.-С.267-272
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12.
| Xiaoming Species effects on earthworm density in tropical tree plantations in Hawaii // Biol. Fert. Soils, 1993. Vol. 15, N 1.-С.35-38
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13.
| Rao I.M. The use of carbon isotope ratios to evaluate legume contribution to soil enhancement in tropical pastures // Plant and Soil, 1994. Vol. 162, N 2.-С.177-182
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14.
| Basu S. The effect of tropical forest conversion on soil microbial biomass // Biol. Fertil. Soils, 1993. Vol. 16, N 4.-С.302-304
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15.
| Eswaran P. Submicroscopic analyses of Fe-nodules in tropical soils // Can. J. Soil. Sci., 1994. Vol. 74, N 3.-С.352
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16.
| A routine method to study soil organic matter by particle-size fractionation:Examples for tropical soils // Commun. Soil Sci. and Plant Anal., 1995. Vol. 26, N 11/12.-С.1749-1760
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17.
| Sahrawat K.L. Fixed ammonium and carbon-nitrogen ratios of some semi-arid tropical Indian soils // Geoderma, 1995. Vol. 68, N 3.-С.219-224
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18.
| Garcia-Oliva F. Long-term net soil erosion as determined by {137}Cs redistribution in an undisturbed and perturbed tropical deciduous forest ecosystem // Geoderma, 1995. Vol. 68, N 1-2.-С.135-147
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19.
| Chemical variables affecting the lime requirement determination of tropical peat soils // Commun. Soil Sci. and Plant Anal., 1995. Vol. 26, N 13-14.-С.2111-2122
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20.
| Phosphorus status and land use in tropical low activity clay soils // 11 Int. Symp. Environ. Biogeochem., Salamanca, Sept. 27- Oct. 1, 1993. -[Salamanca], 1993.-С.3
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