1. 2017-08-01 The decline or even loss of soil fertility is the major challenge faced by more and more farmers around the world in general and especially those in sub-Saharan Africa. Many causes, mainly anthropogenic, are at the origin of this situation. Despite the massive use of chemical fertilizers through...
  2. 2017-10-03 Soils of smallholder farmers are often depleted of organic matter and available soil nutrients, and may also be acidic and/or saline. We will review the causes and extent of these soil-related challenges in the developing world. A variety of possible management responses to these challenges will...
  3. 2017-10-03 Healthy soil is very important in order to grow healthy plants. In this workshop, I will share about some of ARI’s techniques in order to improve soil.
  4. 2017-10-04 It is often a problem in tropical soils farmed by smallholders that the soil is nutrient-depleted and acidic, costing the farmer more money and yielding less valuable crops. In an attempt to overcome this, Dr. Tom will discuss different ways of evaluating important soil properties and thus...
  5. AccessAgriculture Training Video Onions have few roots and shallow roots and therefore can take up nutrients from the top soil only. This explains why it is crucial to pay particular attention to making your soil fertile when you want to grow onions. Available languages Arabic Bambara Bangla...
  6. 2018-02-06 Speaker Bio: Dr. Tom Thompson is Associate Dean and Director of International Programs in the College of Agriculture and Life Sciences and Professor of Agronomy at Virginia Tech. He earned B.S. , M.S. , and Ph.D. degrees in agronomy and soil science. He was an academic department head at two...
  7. 2018-02-06 Speaker Bio: Dr. Tom Thompson is Associate Dean and Director of International Programs in the College of Agriculture and Life Sciences and Professor of Agronomy at Virginia Tech. He earned B.S. , M.S. , and Ph.D. degrees in agronomy and soil science. He was an academic department head at two...
  8. 2007-07-20 Bio-Intensive Agriculture (BIA) is a kind of organic farming rooted in maintaining soil fertility/ living soil. BIA is called Bio-Intensive because it maintains a natural biological balance between soil, nutrients and plants. It employs crop rotation and intensive planting to maximize harvest...
  9. The Soils, Food and Healthy Communities (SFHC) project in Ekwendeni, northern Malawi, began in 2000 with thirty farmers, and is now working with over 4000 farmers. It is a participatory project, in which farmers try to improve soil fertility, food security and nutrition through the use of grain...
  10. Four nutrient deficiencies--phosphorus, potassium, nitrogen, and magnesium--can be diagnosed by observing maize leaves. This document includes photos of a healthy maize leaf and of maize leaves demonstrating each of these nutrient deficiencies. It also contains suggestions for how to address each...