Sawdust cookers (or cookstoves) burn sawdust, wood shavings, rice hulls, or similar materials, producing a moderate heat for an extended time.
Dave Morneau in the Central Plateau of Haiti asked us about the Haitian beekeepers’ belief that neem (Azadirachta indica) or chinaberry (Melia azedarach) blossom nectar is harmful to honeybees, since leaves and seeds are widely used to control insects.
Joy Niland, Food Gardens Foundation, South Africa. "With regard to keeping birds out of the garden, an idea which has proved quite effective in some places is to secure thin, dark coloured string in a zigzag pattern across the bed.
Cory Thede, Santarem, Brazil, tells about his experiences with some leafy green vegetables in the Amazon basin, and with iguanas, a serious garden pest in the area.
Michi Vojta, a Peace Corps volunteer in Kenya, asked about Porcupine Control.
Alley cropping is an agroforestry technique which has been widely promoted in agriculture development programs throughout the tropics. Many studies report increased harvests in alley crops versus control plots without trees. A recent report from the International Centre for Research in Agroforestry (ICRAF) in Nairobi, Kenya, however, suggests that alley cropping has been too widely promoted in areas where it is not suited.
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