LEADER 04768nam 22006734a 450 001 9910812515703321 005 20200520144314.0 010 $a1-280-82971-0 010 $a9786610829712 010 $a0-85199-885-2 035 $a(CKB)111090529199338 035 $a(EBL)294748 035 $a(OCoLC)437181661 035 $a(SSID)ssj0000180306 035 $a(PQKBManifestationID)11177447 035 $a(PQKBTitleCode)TC0000180306 035 $a(PQKBWorkID)10148642 035 $a(PQKB)10766368 035 $a(MiAaPQ)EBC294748 035 $a(Au-PeEL)EBL294748 035 $a(CaPaEBR)ebr10173501 035 $a(CaONFJC)MIL82971 035 $a(EXLCZ)99111090529199338 100 $a20010621d2002 uy 0 101 0 $aeng 135 $aur|n|---||||| 181 $ctxt 182 $cc 183 $acr 200 00$aIntegrated plant nutrient management in Sub-Saharan Africa $efrom concept to practice /$fedited by B. Vanlauwe ... [et al.] 205 $a1st ed. 210 $aWallingford, Oxon, UK ;$aNew York, NY, USA $cCABI Pub. in association with the International Institute of Tropical Agriculture$dc2002 215 $a1 online resource (366 p.) 300 $aDescription based upon print version of record. 311 $a0-85199-576-4 320 $aIncludes bibliographical references and index. 327 $aContributors; Preface; Introduction; 1 Forty Years of Soil Fertility Work in Sub-Saharan Africa; 2 Soil Fertility Replenishment Takes Off in East and Southern Africa; 3 A Systems Approach to Target Balanced Nutrient Management in Soilscapes of Sub-Saharan Africa; 4 In for a Penny, in for a Pound: Strategic Site-selection as a Key Element for On-farm Research that Aims to Trigger Sustainable Agricultural Intensification in West Africa; 5 Agricultural Transformation and Fertilizer Use in the Cerealbased Systems of the Northern Guinea Savannah, Nigeria 327 $a6 Partial Macronutrient Balances of Mucuna/Maize Rotations in the Forest Savannah Transitional Zone of Ghana7 Process Research and Soil Fertility in Africa: Who Cares?; 8 Fertilizer Equivalency Values of Organic Materials of Differing Quality; 9 Plant N Uptake from Plant and Animal Organic Residues, Measured Using the Soil Pre-labelling 15N Isotope Dilution Approach; 10 Contribution of Organic Residues to Soil Phosphorus Availability in the Highlands of Western Kenya; 11 Resource Acquisition of Mixed Species Fallows - Competition or Complementarity? 327 $a12 Targeting Management of Organic Resources and Mineral Fertilizers: Can we Match Scientists' Fantasies with Farmers' Realities?13 Direct Interactions between N Fertilizer and Organic Matter: Evidence from Trials with 15N-labelled Fertilizer; 14 On-farm Evaluation of the Contribution of Sole and Mixed Applications of Organic Matter and Urea to Maize Grain Production in the Savannah; 15 Yield Trends, Soil Nitrogen and Organic Matter Content During 20 Years of Continuous Maize Cultivation 327 $a16 Meeting the Phosphorus Needs of the Soils and Crops of West Africa: the Role of Indigenous Phosphate Rocks17 Options for Increasing P Availability from Low Reactive Phosphate Rock; 18 Phosphorus Uptake from Sparingly Available Soil-P by Cowpea (Vigna unguiculata) Genotypes; 19 Improving Phosphate Rock Solubility and Uptake and Yields of Lowland Rice Grown on an Acidic Soil Amended with Legume Green Manure; 20 Decision Making on Integrated Nutrient Management through the Eyes of the Scientist, the Land-user and the Policy Maker 327 $a21 Legumes: When and Where an Option? (No Panacea for Poor Tropical West African Soils and Expensive Fertilizers)22 Options for Soil Organic Carbon Maintenance under Intensive Cropping in the West African Savannah; 23 On-farm Research and Operational Strategies in Soil Fertility Management; 24 Recommendations; Index 330 $aSoil degradation and nutrient depletion have become serious threats to agricultural productivity in Africa. Soils cannot supply the quantities of nutrients required and yield levels decline rapidly once cropping commences. This book addresses these issues. 606 $aSoil fertility$zAfrica, Sub-Saharan 606 $aFertilizers$zAfrica, Sub-Saharan 606 $aCrops$xNutrition$zAfrica, Sub-Saharan 606 $aPlant nutrients$zAfrica, Sub-Saharan 615 0$aSoil fertility 615 0$aFertilizers 615 0$aCrops$xNutrition 615 0$aPlant nutrients 676 $a631.4/2/0967 701 $aVanlauwe$b B$g(Bernard)$01113069 801 0$bMiAaPQ 801 1$bMiAaPQ 801 2$bMiAaPQ 906 $aBOOK 912 $a9910812515703321 996 $aIntegrated plant nutrient management in Sub-Saharan Africa$94016481 997 $aUNINA