Utilization of Audio Bioha rmony to Improve Rubber (Hevea brasiliensis) Growth in the Nursery

TL;DRAbstract

Sound waves research in Indonesia has been carried on the tea crop, peanuts, soybeans and potatoes. The result showed that there was an increase in the effectiveness of nutrient uptake and significant growth rate. This research used manipulated frequency of insect sounds, called “Garengpung”, is known as Audio Bioharmony (ABH). However, application of this technology has not been done in rubber, therefore the aim of the study was to find out effect of ABH toward rubber nursery and to find optimum frequency for rubber nursery. The experiment was arranged in completely randomized design, with a frequency of 0 Hz, 3000 Hz, 3500Hz, 4000 Hz, 4500 Hz and 5000 Hz. The second factor was levels of fertilizer 50%, 75% and 100%. The results showed that the application of sound wave significantly influence growth rate of rubber in the nursery, while the level of fertilizer application had no significant effect. There was no significant interaction between sound wave frequency and fertilizer levels

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