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- Document
- TropSoils [sic], the first three years, an other usaid supported study/document from 1985 PN-AAV-845
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- no page: metadata field
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- usaid_geography
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- Open document at the first page
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- Document
- TropSoils triennial technical report 1981-1984, an annual report from 1985 PN-AAW-903
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- no page: metadata field
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- usaid_geography
- Source
- Open document at the first page
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- Technical Assistance
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- Optimizing phosphorus fertilization rates for soybeans grown on Oxisols and associated Entisols, a journal article from 1985 PN-ABK-210
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- no page: metadata field
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- usaid_geography
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- Open document at the first page
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- Soil management - CRSP : amendment no. 3, a project/program/activity design document from 1986 PD-AAX-732
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- no page: metadata field
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- usaid_geography
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- Open document at the first page
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- Proceedings of the international symposium on red soils, a conference proceedings/paper from 1986 PN-ABJ-622
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- no page: metadata field
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- usaid_geography
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- Effects of land clearing and subsequent management on soil physical properties, a journal article from 1986 PN-ABJ-623
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- no page: metadata field
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- usaid_geography
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- Reclamation of an ultisol damaged by mechanical land clearing, a journal article from 1986 PN-ABJ-624
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- no page: metadata field
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- usaid_geography
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- Effect of land clearing methods and postclearing management on aggregate stability and organic carbon content of a soil in the humid tropics, a journal article from 1986 PN-ABJ-652
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- no page: metadata field
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- usaid_geography
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- Soil - plant relationships in the tropics, a journal article from 1986 PN-ABK-397
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- no page: metadata field
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- Fertility capability classification system and its utilization, a conference proceedings/paper from 1986 PN-ABP-521
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- no page: metadata field
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- usaid_geography
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- Open document at the first page
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- TropSoils : technical report 1985-1986, an other usaid supported study/document from 1987 PN-ABJ-588
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- no page: metadata field
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- usaid_geography
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- Open document at the first page
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- Study of crop growth variability in sandy Sahelian soils, a conference proceedings/paper from 1987 PN-ABJ-992
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- no page: metadata field
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- usaid_geography
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- Open document at the first page
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- Causes and effects of acidity in Sahelian soils, a conference proceedings/paper from 1987 PN-ABJ-993
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- Argillic horizons in sandy soils of the Sahel, West Africa, an other usaid supported study/document from 1987 PN-ABK-086
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- no page: metadata field
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- usaid_geography
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- General purpose simulation model of water flow in the soil - plant - atmosphere continuum, a journal article from 1987 PN-ABL-435
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- no page: metadata field
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- Screening of leguminous trees for alley cropping on acid soils of the humid tropics, a conference proceedings/paper from 1987 PN-ABP-509
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- no page: metadata field
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- usaid_geography
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- Spatial variation of soil properties and rice yield on recently cleared land, a journal article from 1987 PN-ABP-522
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- no page: metadata field
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- New methodology to select cultivars tolerant to aluminum and with high yield potential, a conference proceedings/paper from 1987 PN-ABP-523
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- no page: metadata field
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- usaid_geography
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- Open document at the first page
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- Soil in the tropics : classification and characteristics, a conference proceedings/paper from 1987 PN-ABP-524
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- Relationship between minimum exchangeable potassium and soil taxonomy, a journal article from 1987 PN-ABP-525
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- no page: metadata field
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- Proceedings of the CRSP directors and program managers workshop : decade two preparation -- final report, a conference proceedings/paper from 1987 PN-ABP-619
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- no page: metadata field
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- usaid_geography
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- Soil management - CRSP [: amendment no. 4], a project/program/activity design document from 1988 PD-AAY-232
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- no page: metadata field
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- usaid_geography
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- TropSoils : administrative report, 1981-1986, a final contractor/grantee report from 1988 PN-ABB-903
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- no page: metadata field
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- TropSoils : solving problems that have roots in the soil, an other usaid supported study/document from 1988 PN-ABD-309
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- usaid_geography
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- Phosphate rock fertilization in tilled and no-till low-input systems in the humid tropics, a journal article from 1988 PN-ABN-909
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- no page: metadata field
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- usaid_geography
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- Contour strip rainfall harvesting for cereal grains production in the Sahel, an other usaid supported study/document from 1988 PN-ABQ-802
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- no page: metadata field
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- usaid_geography
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- Open document at the first page
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- Soil management -- CRSP : amendment no. 6, a project/program/activity design document from 1989 PD-AAZ-581
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- no page: metadata field
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- usaid_geography
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- Open document at the first page
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- Aluminum detoxification with green manures, a journal article from 1989 PN-ABK-084
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- usaid_geography
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- Response of Leucaena leucocephala to vesicular - arbuscular mycorrhizal colonization and rock phosphate fertilization in an oxisol, a journal article from 1989 PN-ABK-085
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- no page: metadata field
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- usaid_geography
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- Phosphorus cycling in humid tropical successional forests, a conference proceedings/paper from 1989 PN-ABK-469
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- Effects of land reclamation practices on chemical properties of an acid, infertile oxisol in West Sumatra, a journal article from 1989 PN-ABN-908
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- Effect of extractant and selected soil properties on predicting the correct phosphorus fertilization of soybean, a journal article from 1989 PN-ABP-503
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- no page: metadata field
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- usaid_geography
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- Relationships between buffer acidity and exchangeable acidity in lime trials with ultisols and histosols, a journal article from 1989 PN-ABP-508
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- Elongation and branching of roots on soybean plants in a carbon dioxide - enriched aerial environment, a journal article from 1989 PN-ABQ-818
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- usaid_geography
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- Report of the external evaluation panel : orientation and review of proposals, 1990, a special evaluation from 1990 PD-ABB-849
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- no page: metadata field
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- usaid_geography
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- Legume green manures : principles for management based on recent research, a journal article from 1990 PN-ABG-116
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- Approaches to mitigate tropical deforestation by sustainable soil management practices, a journal article from 1990 PN-ABK-217
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- Phosphorus dynamics in shifting cultivation systems in the Amazon, a conference proceedings/paper from 1990 PN-ABK-219
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- Agroforestry systems in lowland tropics : is phosphorus important?, a conference proceedings/paper from 1990 PN-ABK-220
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- Effects of land - clearing method and soil management on crop production in the Amazon, a journal article from 1990 PN-ABP-516
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- Implications of soil mineralogy in the soil fertility capability classification (FCC) system, an other usaid supported study/document from 1990 PN-ABP-518
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- Experimental designs to evaluate crop response on adjacent soil mapping units, a journal article from 1990 PN-ABP-520
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- Low soil nitrogen mineralization rates in a humid tropical pasture, a journal article from 1990 PN-ABQ-813
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- Modelling phosphorus inputs for cerrado cropping systems, an other usaid supported study/document from 1990 PN-ABQ-815
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- Soil management -- CRSP : amendment no. 6, a project/program/activity design document from 1991 PD-ABD-013
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- Soil management collaborative research support program, TROPSOILS : annual activities work plans and budgets, September 25, 1991-September 24, 1992, a design/implementation workplan from 1991 PD-ABD-597
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- Executive summary report : program year ten 1990-1991 -- TropSoils, the soil management collaborative research support program, an annual report from 1991 PD-ABD-891
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- Executive summary report : program year nine, 1989-1990, an annual report from 1991 PN-ABH-498
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- Managing soil acidity, an other usaid supported study/document from 1991 PN-ABJ-022
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- TropSoils technical report, 1988-1989, an other usaid supported study/document from 1991 PN-ABK-055
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- Acid soil profiles of the semiarid and subhumid tropics in Central and West Africa, a conference proceedings/paper from 1991 PN-ABK-213
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- Nitrogen release from the leaves of some tropical legumes as affected by their lignin and polyphenolic contents, a journal article from 1991 PN-ABK-215
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- Response of two species of Cassia and Gliricidia sepium to vesicular - arbuscular mycorrhizal infection, a journal article from 1991 PN-ABK-471
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- Tillage systems and soil properties in Latin America, a journal article from 1991 PN-ABK-472
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- World Soil Resources, SCS-NHQ -- Soil Management Support Services (SMSS - OICD - AID) of TROPSOILS : quarterly report -- FY 1992, a periodical from 1992 PD-ABE-147
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- Water fluxes in oxisols : a comparison of approaches, a journal article from 1992 PN-ABK-555
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- Prediction of long-term fertilizer nitrogen requirements of maize in the tropics using a nitrogen balance model, a journal article from 1992 PN-ABL-709
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- Proceedings of the TropSoils phosphorus decision support system workshop, March 11-12, 1992, Texas A&M University, College Station, TX, a conference proceedings/paper from 1992 PN-ABM-829
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- Legume green manures : dry - season survival and the effect on succeeding maize crops, a journal article from 1992 PN-ABN-638
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- Nitrate sorption in the profile of an acid soil, a journal article from 1992 PN-ABP-416
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- Soil phosphorus availability and pearl millet water - use efficiency, a journal article from 1992 PN-ABQ-801
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- Spatial analysis of soil hydraulic conductivity in a tropical rain forest catchment, a journal article from 1992 PN-ABQ-806
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- Evaluation of the nitrogen submodel of CERES - maize following legume green manure incorporation, a journal article from 1993 PN-ABQ-150
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- Measurement of field-saturated hydraulic conductivity in a macroporous ultisol, using a plot-size field monolith, an other usaid supported study/document from 1993 PN-ABQ-572
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- Variable sorghum growth in acid soils of subhumid West Africa, a journal article from 1993 PN-ABQ-803
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- Division S-4-soil fertility & plant nutrition : nitrate dynamics during the aerobic soil phase in lowland rice-based cropping systems, a journal article from 1993 PN-ABQ-805
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- Executive summary report : the soil management collaborative research support program -- 25 September 1992 through 24 September 1993, an annual report from 1993 PN-ABU-656
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- Soil properties influencing hydraulic sealing of the surface on alfisols in the Sahel, an other usaid supported study/document from 1993 PN-ABU-657
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- Interactions of water, nutrient, and mulch on sorghum water use in a Sahelian agroecosystem, an other usaid supported study/document from 1993 PN-ABU-658
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- Annual activities, workplans and budgets : the soil management collaborative research support program -- 25 September 1993 through 24 September 1994, a design/implementation workplan from 1994 PD-ABI-539
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- Looking to the earth -- a foundation for global development : TropSoils, 1981-1993, an annual report from 1994 PD-ABN-441
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- Bibliography of technical publications from the soil management collaborative research support program, 1981-1992, a bibliography/literature review from 1994 PN-ABQ-913
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- Methods and guidelines for assessing sustainable use of soil and water resources in the tropics, an other usaid supported study/document from 1994 PN-ABS-982
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- Socio-economic impact analysis of technologies generated by the soil management and other CRSPs in the humid tropics : project report, an other usaid supported study/document from 1994 PN-ABT-051
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- Carbon and nitrogen mineralization from cowpea plants part decomposing in moist and in repeatedly dried and wetted soil, a journal article from 1994 PN-ABT-346
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- Mineralization of labeled N from cowpea [Vigna unguiculata (L.) Walp.] plant parts at two growth stages in sandy soil, a journal article from 1994 PN-ABT-371
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- Soil phosphorus fraction dynamics during 18 years of cultivation on Typic Paleudult, a journal article from 1994 PN-ABX-289
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- Soil management and sustainable agriculture in the developing world, a conference proceedings/paper from 1994 PN-ABX-667
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- Place for alley cropping in sustainable agriculture in the humid tropics, a conference proceedings/paper from 1994 PN-ABX-668
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- Short-term effects of crop rotation, residue management, and soil water on carbon mineralization in a tropical cropping system, a journal article from 2008 PN-ADP-823
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