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ISFM learning support materials (3/4) – PowerPoint

These materials are designed to support lecturers and trainers to deliver a series of up to 4 lectures based on the content of the ASHC manual for integrated soil fertility management:

  • Use of organic inputs
  • Organics as sources of nutrients
  • The role of SOM in soil fertility
  • Advantages and disadvantages of organic inputs as fertilizers
  • Use of mineral fertilizers
  • Fertilizer materials
  • Soil amendments
  • Fertilizer use efficiency
  • The ‘4Rs’ for effective fertilizer use
  • A fifth ‘right’ for fertilizer use in SSA – targeting the most remunerative options
  • Fertilizer use and the environment
  • Fertilizer use and sustainability
  • Minimizing losses of added nutrients
  • Water and wind erosion
  • Leaching
  • Gaseous losses through denitrification and volatilization
  • Crop residue management
  • Use of improved germplasm
  • Genetic yield potential
  • Pest and disease resistance
  • Nutrient use efficiency
  • Availability and quality of planting materials
  • Finding and selecting improved germplasm for use in ISFM 48
  • Harnessing the benefits of N2-fixing legumes
  • The components of a successful N2-fixing symbiosis
  • The need for inoculation with rhizobia
  • Legume contributions to soil fertility
  • Use of arbuscular mycorrhizal fungi (AMF) inoculants
  • Other soil fertility management practices
  • Conservation agriculture: a silver bullet?
  • Organic agriculture  – Adaptiveness of intervention
  • Economics

Each of the PowerPoint slides has supporting notes to help a lecturer to explain all of the essential element of ISFM there are also suggestions for exercises to consolidate the learning.


Lecture 3 - Soil Fertility Management Practices - is a set of  52 PowerPoint slides designed for lecturers and trainers to help students to gain an understanding of soil fertility management practices.

There are also suggestions for exercises to consolidate the learning. This PowerPoint follows chapter 4 of the ASHC Handbook for ISFM



Target Audience:
Education, Students, Technical College, Trainers in ISFM, University
Africa Soil Health Consortium, Wageningen University and Research centre
Cropping Stages:
Growing/field management, Planning and land preparation, Planting
Prepared by Greta van den Brand and Professor Ken Giller
Reference Number:
ASHC 0347-L1


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