Independent research study, this time with the purpose to find out whether it is agriculture, which type of fertilizer is used, for example, the study group this is. Pomelo farmers .................. 50 people, a tool used in the study of data query using a fertilizer plant longan. Using an in-depth analysis of the collected data and statistics to interpret.The results of the study found that agricultural consumers, there are a number of men lamyai ....... 50 users and 26 percent of chemical fertilizer, the reason that chemical fertilizer, yield faster than export sales, quickly create a large ball made of fruit effect, increasing income and wealth has cent 74 people take from nature, such as pui made from animal manure or sewage, the reason that the people of banklum fruit of this natural fertilizer is used because of the need to retain the page Earth. Source pollution occurs, no longer the age of longan. It is not the cause of disease from chemicals. Do not use a large amount of money to purchase the drug came after soil treatment. Make it cost-effective.
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