(1) organic fertilizer consumption patterns and production cost of rice (2) the relationship between the fundamental economic factors, personal social factors. Environmental factors with the knowledge, attitudes and practices regarding the use of organic fertilizer, and (3) recommendations about the use of organic fertilizer in rice field of rice farmers in Amphoe Mae Suai. Chiang Rai province number of 347 items found that farmers are using fertilizers, organic patterns, in combination with chemical fertilizers. Organic fertilizer is used on rice, fertilizer, most stable secondary compost and manure, is the cost of production of the rainy season, the average is equal to 3577.10, and the naprang plantation and 4010.50 baht/Rai respectively. Farmers are using organic fertilizer combined with chemical fertilizer in rice. Use of fertilizer, manure, cattle, rice, and use. Manure in rice farmers have very little amount of variable cost of manufacturing the rainy season and the average equals naprang baht/Rai 3557 and 4010, respectively. Major problems found on the use of organic fertilizer in the rice fields of farmers is a lack of knowledge in the use of chemical fertilizer, organic fertilizer in combination with good. From a study of the opinions of farmers use organic fertilizer in the future. It was found that the majority of farmers are still more interested in encouraging organic fertilizer is used on rice. They also want more knowledge about organic fertilizer, it's likely to be a good officer also or related agencies will add to the intensity in the action to promote the use of organic fertilizer in planting more rice farmers. Both sides will be to modify attitudes, organic fertilizer, and add knowledge about organic fertilizer to solve farmers.
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