Sudden changes in environment causes abiotic and biotic stress due to which farmers are facing problem of decreased yield. The present study was designed to improve yield by alleviating oxidative stress in crops. Silicon is gaining importance in promoting growth and yield of plants. Soluble silica in the form of AgriboosterTM was sprayed on test field of soybean during cultivation. Proline content was found to be decreased significantly in soybean sprayed with soluble silica. Significantly decreased malondialdehyde content was observed in soybean which indicates beneficial role of silica in preventing lipid peroxidation. Soluble silica increased peroxidase activity by increasing water availability and total phenol content was also found to be increased significantly in soybean. So from the present study it can be concluded that silica when applied on crops in soluble form prevent oxidative stress caused due to various environmental factors which may help in better quality product and yield.

Silicon which is not considered essential element, improves growth and development in onion. The present study was designed to investigate beneficial role of soluble silica in increasing chlorophyll content in onion leaves. Soluble silica under tradename AgriboosterTM was used to alleviate environmental stress. Eight treatments were given at the interval of 15 days after one month of sowing in randomised block design as follows: T1- without fertilizer and soluble silica (Control), T2, T3, T4- foliar spray of soluble silica viz, 7.5, 10 and 12.5 ml/ lit respectively,T5- only fertilizer,T6, T7, T8- fertilizer + foliar spray of soluble silica viz, 7.5, 10 and 12.5 ml/ lit respectively. Chlorophyll a, b and carotenoid content were determined. Malondialdehyde was estimated in leaves to determine level of stress. Malondialdehyde content was found to be significantly higher in control and only fertilizer treated leaves of onion indicating stress in plants which significantly decreased level of chlorophyll a as well as chlorophyll b. This negative effect of stress in chlorophyll content was counteracted by soluble silica. Soluble silica could be used to increase chlorophyll content which will improve photosynthesis.

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