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- Document
- TropSoils : external evaluation, 1981-1984, a special evaluation from 1984 PN-AAX-153
- Page
- no page: metadata field
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- Soil management - CRSP : amendment no. 2, a project/program/activity design document from 1985 PD-AAS-077
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- TropSoils [sic], the first three years, an other usaid supported study/document from 1985 PN-AAV-845
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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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- Soil management - CRSP : amendment no. 3, a project/program/activity design document from 1986 PD-AAX-732
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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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- Effects of land clearing and subsequent management on soil physical properties, a journal article from 1986 PN-ABJ-623
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- Document
- 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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- Fertility capability classification system and its utilization, a conference proceedings/paper from 1986 PN-ABP-521
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- TropSoils : technical report 1985-1986, an other usaid supported study/document from 1987 PN-ABJ-588
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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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- Management of soil acidity, an other usaid supported study/document from 1987 PN-ABL-434
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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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- Soil research
- Document
- Comissao II - quimica e mineralogia do solo : efeitos de adicoes de alfafa e oxalato na mineralizacao de enxofre e na adsorcao de sulfato em latossolos dos cerrados, a journal article from 1987 PN-ABL-439
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- Morphology, mineralogy and genesis of a hydrosequence of oxisols in Brazil, a journal article from 1987 PN-ABL-441
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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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- 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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- 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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- 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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- TropSoils : administrative report, 1981-1986, a final contractor/grantee report from 1988 PN-ABB-903
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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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- Pedogenesis and mineralogy of a Halaquept in Niger (West Africa), a journal article from 1988 PN-ABK-087
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- Screening legume green manures as nitrogen sources to succeeding non-legume crops : I. The fallow soil method, a journal article from 1988 PN-ABL-436
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- Screening legume green manures as nitrogen sources to succeeding non-legume crops : II. Incubation in laboratory, a journal article from 1988 PN-ABL-437
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- Administrative management review of the soil management collaborative research support program, a special evaluation from 1988 XD-ABC-510-A
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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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- Soil - geomorphic relationships in the vicinity of Niamey, Niger, a journal article from 1989 PN-ABE-101
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- Statistical relationships among selected properties of northern Cameroon vertisols and associated alfisols, a journal article from 1989 PN-ABG-887
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- Calcium and sulfate retention by two oxisols of the Brazilian Cerrado, a journal article from 1989 PN-ABJ-995
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- Comparison of the titration and ion adsorption methods for surface charge measurement in oxisols, a journal article from 1989 PN-ABK-004
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- Aluminum detoxification with green manures, a journal article from 1989 PN-ABK-084
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- Phosphorus cycling in humid tropical successional forests, a conference proceedings/paper from 1989 PN-ABK-469
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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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- 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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- no page: metadata field
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- Document
- 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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- Evaluation of N recovery from mucuna placed on the surface or incorporated in a Brazilian oxisol, a journal article from 1990 PN-ABG-521
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- Crop response to management of a degraded oxisol site in West Sumatra, a journal article from 1990 PN-ABH-700
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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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- Estimating nitrogen mineralization in a `cerrado' dark - red latosol by laboratory incubation, and the effect of soil sample disturbance, a journal article from 1990 PN-ABL-438
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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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- Modelling phosphorus inputs for cerrado cropping systems, an other usaid supported study/document from 1990 PN-ABQ-815
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- CRSP - soil management, 10/17-21/89, an evaluation summary from 1991 PD-ABC-510
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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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- 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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- Organic matter contained in soil aggregates from a tropical chronosequence : correction for sand and light fraction, a journal article from 1991 PN-ABK-214
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- Integrated management of agricultural watershed (IMAW) : characterization of research site near Hamdallaye, Niger, an other usaid supported study/document from 1991 PN-ABK-268
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- Investigaciones y usos de la roca fosforica en el Peru, a conference proceedings/paper from 1991 PN-ABK-402
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- Conservation tillage in the humid tropics of Peru, a conference proceedings/paper from 1991 PN-ABK-468
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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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- Toward sustainable agriculture in the humid tropics : building on the TropSoils experience in Indonesia, an other usaid supported study/document from 1991 PN-ABL-461
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- Amenagement integre des bassins versants agricoles (IMAW) : caracterisation d'un site de recherche pres de Hamdallaye, Niger, an other usaid supported study/document from 1991 PN-ACB-162
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- Water fluxes in oxisols : a comparison of approaches, a journal article from 1992 PN-ABK-555
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- Changes in sandy Sahelian soil following crop residue and fertilizer additions, a journal article from 1992 PN-ABL-120
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- Potassium in two humid tropical ultisols under a corn and soybean cropping system : II. dynamics, a journal article from 1992 PN-ABL-710
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- Management and dynamics of potassium in a humid tropical ultisol under a rice-cowpea rotation, a journal article from 1992 PN-ABL-850
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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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- 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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- Cation and nitrate leaching in an oxisol of the Brazilian Amazon, a journal article from 1993 PN-ABQ-816
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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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- Soil surface characteristics and variability in the growth of millet in the plateau and valley region of Western Niger, an other usaid supported study/document from 1993 PN-ACA-314
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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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- Land clearing and reclamation of ultisols and oxisols, a journal article from 1994 PN-ABR-406
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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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- 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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- Soil management collaborative research support program : annual report 1997, an annual report from 1997 PD-ACA-592
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- Sustainable management of tropical steeplands : an assessment of terraces as a soil and water conservation technology, an assessment from 1998 PN-ACD-877
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- Assessment of soil and water conservation methods applied to the cultivated steeplands of southern Honduras, an assessment from 1998 PN-ACD-878
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- Integrated nutrient management for sustained crop production in Sub-Saharan Africa : (a review), an other usaid supported study/document from 1998 PN-ACD-879
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- Manejo sustenible de tierras de laderas tropicales : un analisis de terrazas con una tecnologia para la conservacion de suelo y agua, an assessment from 1998 PN-ADA-456
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- Evaluacion de metodos de conservacion de suelo y agua aplicados a las tierras de ladera cultivadas en el sur de Honduras, an assessment from 1998 PN-ADH-029
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- Soil research
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- Soil management collaborative research support program : second annual report -- February 11, 1998 to February 10, 1999, an annual report from 1999 PD-ACA-593
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- Soil management collaborative research support program : third annual report -- February 11, 1999 to February 10, 2000, an annual report from 2000 PD-ACA-594
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- Soil management collaborative research support program : project year 6 annual progress report, 2002-2003, an annual report from 2003 PD-ACF-639
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- Soil management collaborative research support program : project year 7 annual progress report, 2003-2004, an annual report from 2004 PD-ACF-640
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- Carbon enhancing management systems (CEMS) : estimation of soil carbon sequestration potential in small-holder farming systems in northern Ghana, an other usaid supported study/document from 2008 PN-ADS-400
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