ILEIA Newsletter - LEISA Magazine - Farming Matters FM 1987 ILEIA Newsletter Vol 3 #1
Published: 1987-05-19
- Integrated nutrient supply
 - Improved fallow
 - Nitrogen transfer from legumes
 - Cover crops on acid soils
 - Sunnhemp
 - Rock phosphate
 - Micro-nutrient drain
 - Soil conservation and shifting cultivators
 - Cycles of poverty