Tanggap morfofisiologi tanaman lidah buaya pada tanah mineral masam terhadap amelioran gambut

Abstract

This research consists of three major studies. Study I is the analysis of chemistry characteristics of acid mineral soil, peat, and peat water as well as their compositions and types of both phenolic acid and carboxylic derivatives of peat and peat water. Study II is aluminium-induced physiological responses of aloe vera in the presence of phenolic and carb oxylic acid derivatives, and the last one, Study III focuses on the growth and yields of aloe vera plants grown in acid mineral soil with an addition of both peat and peat water containing phenolic and carboxylic acid derivatives.