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  1. 2013-10-20 Does a planting basin, like a zai pit, make much of a difference in soil moisture on a sandy soil? Because water leaches through sand rather quickly, you might expect that planting depressions would not have a significant impact on soil moisture. With the soil in ECHO research plots in South...
  2. Access Agriculture Training Video Zaï as they are known in Burkina Faso, or tassa in Niger, are wide deep planting pits. They act as a microcatchment and can be used to rehabilitate soils when used with manure. They have been very successful in West Africa during the last 25 years. Available...
  3. 2013-01-01 “Zai” is a term that farmers in northern Burkina Faso use to refer to small planting pits that typically measure 20-30 cm in width, are 10-20 cm deep and spaced 60-80 cm apart. In the Tahoua region of Niger, the haussa word “tassa” is used. English terms used to decribe zai pits include “planting...
  4. 1996-10-19 Zai Holes Harness Termites to Increase Crop Yields Grass Mulch: An Innovative Way of Gardening in the Dry Tropics Colored Plastic Mulches Thick Mulch for No-Till Gardens Rice Hull Mulch