In the watershed and river Chiang Mai Mae SA was experiencing the invasion destroyed the natural resources and the environment. It is the area of forests were destroyed. Impact and damage to water sources, streams, including the quality and quantity of water used in agriculture. The farmers, mainly focusing on plant growth (economic crop) or cash crops (cash crop) to yield an output speed is quite good. With the market support as a result, farmers need more inputs, such as fertilizer and intensive agricultural chemicals which are causing the chemical residues in soil and water as well as affect the health of farmers and the environment in the watershed area.
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