Application of the addition soil conditioner from Eichhornia crassipes Solms. The addition soil conditioner from Salvinia molesta increase the plant growth of 17,45% and the addition soil conditioner from Eichhornia crassipes increase the plant growth of 20,94%. The results showed that addition soil conditioner from Salvinia molesta increase the germination of 20% and the addition soil conditioner from Eichhornia crassipes increase the germination of 30%. The parameters in this research were field capacity, viability, shoot length, number of leaf, fresh and dry weight. The result data analized by Analysis of Variance (ANOVA) continued by test Duncan's Multiple Range Test (DMRT) on 95% significance level. Ratio of soil and soil conditioner is 75%:25%. ![]() This research was designed by completely random design with factorial pattern 2 x 3. This research was conducted at Laboratory of Biological Structure and Function of Plant Biology, Faculty of Sains and Mathematic, Diponegoro University. ![]() This study aims to determine the effects of soil conditioner the germination and growth of rosella (Hibiscus sabdariffa L.) on sandy and clay soil. Soil conditioner can be improve soil structure, changing the capacity of the soil, hold and pull through the water, so it can support plant growth. Soil conditioner is materials that add to the soil.
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