TAILIEUCHUNG - Erosion control in the tropics - Part 10

10 Conclusion After reading this booklet you will probably be feeling confused by all the different ways to control erosion and what it entails. Perhaps you would have preferred some concrete advice; now you can’t see the wood for the trees! Yet you will appreciate that we cannot give concrete advice to start you off because the situations | 10 Conclusion After reading this booklet you will probably be feeling confused by all the different ways to control erosion and what it entails. Perhaps you would have preferred some concrete advice now you can t see the wood for the trees Yet you will appreciate that we cannot give concrete advice to start you off because the situations vary too much in different regions. It is better if you can fill in the gaps yourself with the help of this booklet other literature advice from different authorities and especially with help from the local population and a little common sense. However we can give you some assistance in making a choice. For this we have made up a sort of questionnaire making reference to the chapters in this booklet 1 What are the signs of erosion in your area Make a tour taking note in particular of the different erosion phenomena that occur see Chapter 2 . 2 How exactly does erosion arise and which processes play a role here. Take a walk around a gully and try to explain how this originated see Chapter 3 . 3 How could all this happen and what is the deeper cause of it What crops are growing there Why isn t the soil well protected Are there social problems which determine the choice of crop and land use Fragmented land ownership for example . See Chapter 8 . 4 Can anything be done to change the underlying cause In the first instance the answer will readily be no but sometimes certain development trends can be recognised which can be followed up or ignored see Chapter 9 . Conclusion 79 5 What can be done about the phenomena A gully can be checked. Rill formation prevented by regulating runoff water see Chapter 7 . 6 What measures are considered in principle A gully controlled by broken stone and by grass growth. Laying out a drainage system or terraces making a mulch layer or all three together. Chapters 5 6 and 7 . 7 What is needed to execute these operations Think of money manpower time planting material equipment organisation knowledge and .

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