This is an interesting and very practical idea developed by Gösta Nilsson, the Director of Sanitas in Botswana. He has developed a container gardening system based on walls with built-in growing boxes, made of hollow concrete blocks. The blocks are made using a simple, hand-operated block-making machine. With such a machine, two persons can make 100 blocks a day from a mix of 1 part cement and 4 parts sand. This is the size block which is used at Sanitas, but blocks of similar size would be fine...
millimetres
This resource is from Footsteps 15
Imagine you work as an agricultural extension agent and have to make decisions about pesticides. Pesticide companies may encourage you to use their products. Farmers will ask for advice. Government booklets may recommend a certain treatment.
By Jim Rowland. Anything that grows requires food, water, an energy supply and space. This is true whether we are talking about humans (especially children!), livestock, trees or crops. Human beings grow best where there are plenty of these resources and struggle, or die where there are not enough. Poor soil and over-population produce famine.
A vast majority of women, especially in densely populated areas, are experiencing an ever increasing shortage of firewood. They find they have to spend more and more time gathering enough firewood, or agricultural wastes such as coffee or tea braches, maize cobs and stalks etc.
Imagine you work as an agricultural extension agent and have to make decisions about pesticides. Pesticide companies may encourage you to use their products. Farmers will ask for advice. Government booklets may recommend a certain treatment.
By Jim Rowland. Anything that grows requires food, water, an energy supply and space. This is true whether we are talking about humans (especially children!), livestock, trees or crops. Human beings grow best where there are plenty of these resources and struggle, or die where there are not enough. Poor soil and over-population produce famine.
A vast majority of women, especially in densely populated areas, are experiencing an ever increasing shortage of firewood. They find they have to spend more and more time gathering enough firewood, or agricultural wastes such as coffee or tea braches, maize cobs and stalks etc.
Imagine you work as an agricultural extension agent and have to make decisions about pesticides. Pesticide companies may encourage you to use their products. Farmers will ask for advice. Government booklets may recommend a certain treatment.
By Jim Rowland. Anything that grows requires food, water, an energy supply and space. This is true whether we are talking about humans (especially children!), livestock, trees or crops. Human beings grow best where there are plenty of these resources and struggle, or die where there are not enough. Poor soil and over-population produce famine.
A vast majority of women, especially in densely populated areas, are experiencing an ever increasing shortage of firewood. They find they have to spend more and more time gathering enough firewood, or agricultural wastes such as coffee or tea braches, maize cobs and stalks etc.