4. the place of education. 4.1 location, for example, is the river Loei areas. 4.2 points in diagnosis and analysis of data Algae lab Department of biology, Faculty of science, Loei rajabhat University. 5. the benefits expected to be received. 5.1. information about a wide variety of plants in long river raft and the study of plant distribution of plankton in the water quality of water source. 5.2 study on the quality of the water source, the use of biological characteristics as indicators, which in this case, we use the best plants, plankton. It is not difficult, and is more secure than the chemical water quality testing.6. the operational plan. In doing this research, we do all the time out field is also a 4-month period of study documents. Related research, including how long it will take to prepare the various chemicals used in the testing of water quality in chemistry all the time 8 months.
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