19 ធ្នូ 1988 Farming systems experiences Enhancing dryland agriculture Reduction of risk by diversity Bitter cassava as a drought resistant crop Composting Water harvesting for plant production Moisture conservation Tree planting for soil conservation Tuna plant
The first part of the guide looks at what land leveling is and why it is needed. The second part deals with how land leveling is actually done and the practices needed with a precision land leveling program. The third section investigates resources needed to develop and implement the program....
20 មករា 2003 The water harvesting techniques described are particularly useful in arid and sem-arid areas, but the techniques described for soil moisture conservation are also of use in sub-humid regions.2 Copies of FIrst Edition, 1 Copy of 2nd Edition