Effect of Acoustic Waves on the Growth and Productivity of Sawi Plants (Brassica Juncea L.)

Abstract

Sonic bloom is an audio system that can stimulate the process of plant growth. This technology can help farmers, especially in areas with low water availability and poor soil conditions. Appropriate sonic bloom stimulation can affect plant metabolism at the cellular level and increase the size and number of stomata in each leaf, resulting in a rate of absorption of water and nutrients from the soil. This can be quickly seen in root growth, seed germination, plant growth, and yield. The objective of this research was to determine the effect of sound wave frequency and length of exposure on the quality and productivity of mustard plants. This research was conducted with an experimental method, and used factorial ANOVA with two treatments, namely: 1) Frequency (frequency 4000 Hz and frequency 5000 Hz); 2) Duration of exposure (1 hour/day, 2 hours/day and 3 hours / day). Based on the research that has been done, there is an effect of giving sound wave frequency on plant height growth, number of leaves, leaf length, leaf width and harvest weight of plant. The effect of the growth rate of plants given sound wave frequency treatment is better in plants with a maximum frequency of 5000 Hz and for the best exposure time treatment is in plants with an hour treatment.