SAK BOOKS
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  • South Asia
    • South Asia (Pictures only) >
      • Chapters
      • Chapters with Individual lessons (South Asian) >
        • Chapter 1 - Scientific Methods (South Asian pictures)
        • Chapter 2 - Land preparation and Sowing
        • Chapter 3 - Crop and Tree Intensification
        • Chapter 4 - Terrace Agriculture
        • Chapter 5 - Soil Health
        • Chapter 6 - Water
        • Chapter 7 - Weeds
        • Chapter 8 - Pests and Diseases
        • Chapter 9 - Post harvest
        • Chapter 10 - Human nutrition
        • Chapter 11 - Animals
        • Chapter 12 - Crop breeding
        • Chapter 13 - Disaster Relief
    • South Asia (Nepali version) >
      • Chapters
      • Chapters with Individual lessons >
        • Chapter 1 - Scientific Methods
        • Chapter 2 - Land preparation and Sowing
        • Chapter 3 - Crop and Tree Intensification
        • Chapter 4 - Terrace Agriculture
        • Chapter 5 - Soil Health
        • Chapter 6 - Water
        • Chapter 7 - Weeds
        • Chapter 8 - Pests and Disease
        • Chapter 9 - Post Harvest
        • Chapter 10 - Human Nutrition
        • Chapter 11 - Animals
        • Chapter 12 - Crop Breeding
        • Chapter 13 - Disaster Relief
    • South Asia (English version >
      • Chapters
      • Chapters with Individual lessons >
        • Chapter 1 - Scientific Methods
        • Chapter 2 - Land preparation and Sowing
        • Chapter 3 - Crop and Tree intensification
        • Chapter 4 - Terrace Agriculture
        • Chapter 5 - Soil Health
        • Chapter 6 - Water
        • Chapter 7 - Weeds
        • Chapter 8 - Pest and Disease
        • Chapter 9 - Post Harvest
        • Chapter 10- Human Nutrition
        • Chapter 11 - Animals
        • Chapter 12 - Crop Breeding
        • Chapter 13 - Disaster Relief
  • East/Southeast Asia
    • East/Southeast Asia (Pictures only) >
      • Chapters
      • Chapters with Individual lessons >
        • Chapter 1 - Scientific Methods
        • Chapter 2 - Land preparation and Sowing
        • Chapter 3 - Crop and Tree Intensification
        • Chapter 4 - Terrace Agriculture
        • Chapter 5 - Soil Health
        • Chapter 6 - Water
        • Chapter 7 - Weeds
        • Chapter 8 - Pests and Disease
        • Chapter 9 - Post Harvest
        • Chapter 10 - Human Nutrition
        • Chapter 11 - Animals
        • Chapter 12 - Crop Breeding
        • Chapter 13 - Disaster Relief
    • East/Southeast Asia (English version) >
      • Chapters
      • Chapters with Individual lessons >
        • Chapter 1 - Scientific Methods
        • Chapter 2 - Land preparation and Sowing
        • Chapter 3 - Crop and Tree Intensification
        • Chapter 4 - Terrace Agriculture
        • Chapter 5 - Soil Health
        • Chapter 6 - Water
        • Chapter 7 - Weeds
        • Chapter 8 - Pests and Disease
        • Chapter 9 - Post Harvest
        • Chapter 10 - Human Nutrition
        • Chapter 11- Animals
        • Chapter 12 - Crop Breeding
        • Chapter 13 - Disaster Relief
  • Sub-Saharan Arica/Caribbean
    • Sub-Saharan Africa/Caribbean (Pictures only) >
      • Chapters
      • Chapters with Individual lessons >
        • Chapter 1 - Scientific Methods
        • Chapter 2 - Land preparation and Sowing
        • Chapter 3 - Crop and Tree Intensification
        • Chapter 4 - Terrace Agriculture
        • Chapter 5 - Soil Health
        • Chapter 6 - Water
        • Chapter 7 - Weeds
        • Chapter 8 - Pests and Disease
        • Chapter 9 - Post Harvest
        • Chapter 10 - Human Nutrition
        • Chapter 11 - Animals
        • Chapter 12 - Crop Breeding
        • Chapter 13 - Disaster Relief
    • Sub-Saharan Africa/Caribbean (English version) >
      • Chapters
      • Chapters with Individual lessons >
        • Chapter 1 - Scientific Methods
        • Chapter 2 - Land preparation and Sowing
        • Chapter 3 - Crop and Tree Intensification
        • Chapter 4 - Terrace Agriculture
        • Chapter 5 - Soil Health
        • Chapter 6 - Water
        • Chapter 7 - Weeds
        • Chapter 8 - Pest and Disease
        • Chapter 9 - Post Harvest
        • Chapter 10 - Human Nutrition
        • Chapter 11 - Animals
        • Chapter 12 - Crop Breeding
        • Chapter 13 - Disaster Relief
  • Latin America
    • Latin America (Pictures only) >
      • Chapters
      • Chapters with Individual lessons >
        • Chapter 1 - Scientific Methods
        • Chapter 2 - Land preparation and Sowing
        • Chapter 3 - Crop and Tree Intensification
        • Chapter 4 - Terrace Agriculture
        • Chapter 5 - Soil Health
        • Chapter 6 - Water
        • Chapter 7 - Weeds
        • Chapter 8 - Pests and Disease
        • Chapter 9 - Post Harvest
        • Chapter 10 - Human Nutrition
        • Chapter 11 - Animals
        • Chapter 12 - Crop Breeding
        • Chapter 13 - Disaster Relief
    • Latin America (English version) >
      • Chapters
      • Chapters with Individual lessons >
        • Chapter 1 - Scientific Method
        • Chapter 2 - Land preparation and Sowing
        • Chapter 3 - Crop and Tree Intensification
        • Chapter 4 - Terrace Agriculture
        • Chapter 5 - Soil Health
        • Chapter 6 - Water
        • Chapter 7 - Weeds
        • Chapter 8 - Pests and Disease
        • Chapter 9 - Post Harvest
        • Chapter 10 - Human Nutrition
        • Chapter 11 - Animals
        • Chapter 12 - Crop Breeding
        • Chapter 13 - Disaster Relief
  • North Africa and Middle East
    • North Africa and Middle East (Pictures only) >
      • Chapters
      • Chapters with Individual lessons >
        • Chapter 1 - Scientific Methods
        • Chapter 2 - Land preparation and Sowing
        • Chapter 3 - Crop and Tree Intensification
        • Chapter 4 - Soil Health
        • Chapter 5 - Water
        • Chapter 6 - Weeds
        • Chapter 7 - Pests and Disease
        • Chapter 8 - Post Harvest
        • Chapter 9 - Human Nurtition
        • Chapter 10 - Animals
        • Chapter 11 - Disaster Relief
    • North Africa and Middle East (English version) >
      • Chapters
      • Chapters with Individual lessons >
        • Chapter 1 - Scientific Methods
        • Chapter 2 - Land preparation and Sowing
        • Chapter 3 - Crop and Tree Intensification
        • Chapter 4 - Soil Health
        • Chapter 5 - Water
        • Chapter 6 - Weeds
        • Chapter 7 - Pests and Disease
        • Chapter 8 - Post Harvest
        • Chapter 9 - Human Nutrition
        • Chapter 10 - Animals
        • Chapter 11 - Disaster Relief
Chapter 5 - Soil Health
4.1 Litmus paper for soil pH and liming
4.1n._africa_middleeast.pdf
File Size: 274 kb
File Type: pdf
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4.2 Cover crops to prevent bare soil and erosion
4.2n._africa_middleeast.pdf
File Size: 279 kb
File Type: pdf
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4.3 Contour farming on hillsides to prevent erosion
4.3n._africa_middleeast.pdf
File Size: 248 kb
File Type: pdf
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4.4 Living grass barriers to prevent erosion
4.4n._africa_middleeast.pdf
File Size: 299 kb
File Type: pdf
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4.5 Cover crop during the transition from dry to wet seasons
4.5n._africa_middleeast.pdf
File Size: 263 kb
File Type: pdf
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4.6 Vetch in the dry season to prevent erosion
4.6n._africa_middleeast.pdf
File Size: 293 kb
File Type: pdf
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4.7 Adding organic nutrients to home gardens
4.7n._africa_middleeast.pdf
File Size: 328 kb
File Type: pdf
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4.8 Covering manure from rain during storage
4.8n._africa_middleeast.pdf
File Size: 489 kb
File Type: pdf
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4.9 Livestock sheds and collecting urine to add to manure
4.9n._africa_middleeast.pdf
File Size: 625 kb
File Type: pdf
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4.10  Compost improvement
4.10n._africa_middleeast.pdf
File Size: 644 kb
File Type: pdf
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4.11 Microdosing of manure
4.11n._africa_middleeast.pdf
File Size: 234 kb
File Type: pdf
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4.12 Treating seeds with urine
4.12n._africa_middleeast.pdf
File Size: 223 kb
File Type: pdf
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4.13 Synthetic nitrogen fertilizer raises yields
4.13n._africa_middleeast.pdf
File Size: 1143 kb
File Type: pdf
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4.14 Microdosing of synthetic fertilizer
4.14n._africa_middleeast.pdf
File Size: 285 kb
File Type: pdf
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4.15 Split application of synthetic fertilizer
4.15n._africa_middleeast.pdf
File Size: 262 kb
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4.16 The number of applications of fertilizer is based on soil type
4.16n._africa_middleeast.pdf
File Size: 231 kb
File Type: pdf
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4.17 Leaf colour change to diagnose fertilizer needs
4.17n._africa_middleeast.pdf
File Size: 277 kb
File Type: pdf
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4.18 Legumes produce organize nitrogen fertilizer
4.18n._africa_middleeast.pdf
File Size: 218 kb
File Type: pdf
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4.19  Legumes reduce need to purchase nitrogen fertilizer
4.19n._africa_middleeast.pdf
File Size: 205 kb
File Type: pdf
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4.20 How to diagnose whether legumes are producing fertilizer
4.20n._africa_middleeast.pdf
File Size: 246 kb
File Type: pdf
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4.21 Rhizobia bacteria inoculants
4.21n._africa_middleeast.pdf
File Size: 284 kb
File Type: pdf
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4.22 Crop rotation with a pulse (lentil) reduces fertilizer needs
4.22n._africa_middleeast.pdf
File Size: 330 kb
File Type: pdf
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4.23 Pigeon pea for degraded soils
4.23n._africa_middleeast.pdf
File Size: 316 kb
File Type: pdf
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  • Home
  • Creators
  • Copyright, citation, usage
  • Text Translation Sharing
  • Acknowledgements
  • South Asia
    • South Asia (Pictures only) >
      • Chapters
      • Chapters with Individual lessons (South Asian) >
        • Chapter 1 - Scientific Methods (South Asian pictures)
        • Chapter 2 - Land preparation and Sowing
        • Chapter 3 - Crop and Tree Intensification
        • Chapter 4 - Terrace Agriculture
        • Chapter 5 - Soil Health
        • Chapter 6 - Water
        • Chapter 7 - Weeds
        • Chapter 8 - Pests and Diseases
        • Chapter 9 - Post harvest
        • Chapter 10 - Human nutrition
        • Chapter 11 - Animals
        • Chapter 12 - Crop breeding
        • Chapter 13 - Disaster Relief
    • South Asia (Nepali version) >
      • Chapters
      • Chapters with Individual lessons >
        • Chapter 1 - Scientific Methods
        • Chapter 2 - Land preparation and Sowing
        • Chapter 3 - Crop and Tree Intensification
        • Chapter 4 - Terrace Agriculture
        • Chapter 5 - Soil Health
        • Chapter 6 - Water
        • Chapter 7 - Weeds
        • Chapter 8 - Pests and Disease
        • Chapter 9 - Post Harvest
        • Chapter 10 - Human Nutrition
        • Chapter 11 - Animals
        • Chapter 12 - Crop Breeding
        • Chapter 13 - Disaster Relief
    • South Asia (English version >
      • Chapters
      • Chapters with Individual lessons >
        • Chapter 1 - Scientific Methods
        • Chapter 2 - Land preparation and Sowing
        • Chapter 3 - Crop and Tree intensification
        • Chapter 4 - Terrace Agriculture
        • Chapter 5 - Soil Health
        • Chapter 6 - Water
        • Chapter 7 - Weeds
        • Chapter 8 - Pest and Disease
        • Chapter 9 - Post Harvest
        • Chapter 10- Human Nutrition
        • Chapter 11 - Animals
        • Chapter 12 - Crop Breeding
        • Chapter 13 - Disaster Relief
  • East/Southeast Asia
    • East/Southeast Asia (Pictures only) >
      • Chapters
      • Chapters with Individual lessons >
        • Chapter 1 - Scientific Methods
        • Chapter 2 - Land preparation and Sowing
        • Chapter 3 - Crop and Tree Intensification
        • Chapter 4 - Terrace Agriculture
        • Chapter 5 - Soil Health
        • Chapter 6 - Water
        • Chapter 7 - Weeds
        • Chapter 8 - Pests and Disease
        • Chapter 9 - Post Harvest
        • Chapter 10 - Human Nutrition
        • Chapter 11 - Animals
        • Chapter 12 - Crop Breeding
        • Chapter 13 - Disaster Relief
    • East/Southeast Asia (English version) >
      • Chapters
      • Chapters with Individual lessons >
        • Chapter 1 - Scientific Methods
        • Chapter 2 - Land preparation and Sowing
        • Chapter 3 - Crop and Tree Intensification
        • Chapter 4 - Terrace Agriculture
        • Chapter 5 - Soil Health
        • Chapter 6 - Water
        • Chapter 7 - Weeds
        • Chapter 8 - Pests and Disease
        • Chapter 9 - Post Harvest
        • Chapter 10 - Human Nutrition
        • Chapter 11- Animals
        • Chapter 12 - Crop Breeding
        • Chapter 13 - Disaster Relief
  • Sub-Saharan Arica/Caribbean
    • Sub-Saharan Africa/Caribbean (Pictures only) >
      • Chapters
      • Chapters with Individual lessons >
        • Chapter 1 - Scientific Methods
        • Chapter 2 - Land preparation and Sowing
        • Chapter 3 - Crop and Tree Intensification
        • Chapter 4 - Terrace Agriculture
        • Chapter 5 - Soil Health
        • Chapter 6 - Water
        • Chapter 7 - Weeds
        • Chapter 8 - Pests and Disease
        • Chapter 9 - Post Harvest
        • Chapter 10 - Human Nutrition
        • Chapter 11 - Animals
        • Chapter 12 - Crop Breeding
        • Chapter 13 - Disaster Relief
    • Sub-Saharan Africa/Caribbean (English version) >
      • Chapters
      • Chapters with Individual lessons >
        • Chapter 1 - Scientific Methods
        • Chapter 2 - Land preparation and Sowing
        • Chapter 3 - Crop and Tree Intensification
        • Chapter 4 - Terrace Agriculture
        • Chapter 5 - Soil Health
        • Chapter 6 - Water
        • Chapter 7 - Weeds
        • Chapter 8 - Pest and Disease
        • Chapter 9 - Post Harvest
        • Chapter 10 - Human Nutrition
        • Chapter 11 - Animals
        • Chapter 12 - Crop Breeding
        • Chapter 13 - Disaster Relief
  • Latin America
    • Latin America (Pictures only) >
      • Chapters
      • Chapters with Individual lessons >
        • Chapter 1 - Scientific Methods
        • Chapter 2 - Land preparation and Sowing
        • Chapter 3 - Crop and Tree Intensification
        • Chapter 4 - Terrace Agriculture
        • Chapter 5 - Soil Health
        • Chapter 6 - Water
        • Chapter 7 - Weeds
        • Chapter 8 - Pests and Disease
        • Chapter 9 - Post Harvest
        • Chapter 10 - Human Nutrition
        • Chapter 11 - Animals
        • Chapter 12 - Crop Breeding
        • Chapter 13 - Disaster Relief
    • Latin America (English version) >
      • Chapters
      • Chapters with Individual lessons >
        • Chapter 1 - Scientific Method
        • Chapter 2 - Land preparation and Sowing
        • Chapter 3 - Crop and Tree Intensification
        • Chapter 4 - Terrace Agriculture
        • Chapter 5 - Soil Health
        • Chapter 6 - Water
        • Chapter 7 - Weeds
        • Chapter 8 - Pests and Disease
        • Chapter 9 - Post Harvest
        • Chapter 10 - Human Nutrition
        • Chapter 11 - Animals
        • Chapter 12 - Crop Breeding
        • Chapter 13 - Disaster Relief
  • North Africa and Middle East
    • North Africa and Middle East (Pictures only) >
      • Chapters
      • Chapters with Individual lessons >
        • Chapter 1 - Scientific Methods
        • Chapter 2 - Land preparation and Sowing
        • Chapter 3 - Crop and Tree Intensification
        • Chapter 4 - Soil Health
        • Chapter 5 - Water
        • Chapter 6 - Weeds
        • Chapter 7 - Pests and Disease
        • Chapter 8 - Post Harvest
        • Chapter 9 - Human Nurtition
        • Chapter 10 - Animals
        • Chapter 11 - Disaster Relief
    • North Africa and Middle East (English version) >
      • Chapters
      • Chapters with Individual lessons >
        • Chapter 1 - Scientific Methods
        • Chapter 2 - Land preparation and Sowing
        • Chapter 3 - Crop and Tree Intensification
        • Chapter 4 - Soil Health
        • Chapter 5 - Water
        • Chapter 6 - Weeds
        • Chapter 7 - Pests and Disease
        • Chapter 8 - Post Harvest
        • Chapter 9 - Human Nutrition
        • Chapter 10 - Animals
        • Chapter 11 - Disaster Relief