The use of herbicides negatively affect the farmers. Consumers, including the environment. Research in the present study, weed control substances made from natural. There are many types of weeds, the ability to produce allelochemicals inhibit plant growth comes to a different type. This phenomenon is called allelopathy research, therefore, aims to study the effects of allelopathy, Mimosa pudica l. giant growth of corn and grass. Rice bird in level laboratories and greenhouses, a trial-level randomized, complete planning. In the trial room, the concentration levels of 5 concentrations include giant Mimosa pudica l. 0, 0.125, 0.250 0.500, and 1.000. Percentage by means of sandwich from trials found that giant Mimosa pudica l. have produced the active ingredient and biological release into gelatin by a long stretch as a result of inhibition of root of all three types of plants. While the low concentration (0.125 – 0.500 percentage) are stimulating fresh weight and length of corn, rice and grass, birds. In the prison level trial rate, the concentration of 5 concentrations include giant Mimosa pudica l. 0 0.250 0.500, 1.000, 2.000 percent, and by planting plants pots containing soil tests into the mix with a giant Mimosa pudica l. from Mimosa pudica l. trials found that giant is likely to stimulate growth of the plants in the three types of test results from the study showed that the production of allelochemicals are giant Mimosa pudica l. and Liberation, which affect the growth of other types of plants.
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