Education attainment leading villagers shell cashew nuts come soak in kerosene found that result, there are weeds growing slowly until it dies in the end. Their group, we plan to extract substances that affect the inhibition of the growth of weeds in the cashew nut applied instead of a chemical herbicide from the experimental project regarding the extraction of herbicide and pesticide from cashew nut shell with the purpose เพื่.The cashew nut shell oil otkat is used instead of the herbicide to be natural raw materials used, the maximum benefit and to reduce expenditure to buy herbicide of farmers. Trial operation is divided into 2 steps. Step 1: test of whether substances in cashew nut shell can be used to get rid of weeds or not. Step 2 extract the substances from the cashew nut shell are test results. As follows: Substances in cashew nut shell can be used to get rid of weeds, and found that the substance in the cashew nut shell oil. The experiment found that the herbicide experiment in the ratio 1: 2 keep dry grass in the area, and died completely over in the ratio 1: 1 also uses less time, too. Compared to the herbicide that is derived from cashew nut shell to come soak in kerosene. Alcohol and water found in the kerosene trial result providing the ultimate support come down to is ethyl alcohol and water and thus conclude that substances in cashew nuts in effect allows the weeds die better. I found that when I extracted the oil from cashew nut shell, which is the substance that causes the dead weeds come mixed with ethyl alcohol, Methyl salicylate in the ratio 1: 10 cubic centimeters. Over time, 1 hour found that the grass starts to become brown-green leaves 1 hour 30 minutes, when grass is dark brown. When the 2 hours the grass is Brown, darker, and when 3 hours the grass is Brown and almost entirely.
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