RESPON PEMBERIAN KAPUR DOLOMIT DAN ASAM HUMAT TERHADAP PERTUMBUHAN BIBIT TANAMAN KOPI ARABIKA (Coffea arabica)
(RESPONSE GIVING OF DOLOMITIC LIME AND HUMIC ACID TO THE GROWTH OF ARABICA COFFEE (Coffea arabica)
Abstract
ABSTRACT
The purpose of this research to determine the results of the assessment of the effectiveness of the administration of Dolomite Lime and humic acid on the growth of coffee plants. And to find out the best concentration of Dolomite Lime for the growth of coffee plants. This research was carried out from March 2022 to June 2022 which took place in Klangon Hamlet, Cangkringan Village, Cangkringan District, Special Region of Yogyakarta.The design used in this study was factorial arranged in a Completely Randomized Block Design (RAKL) with 6 (six) treatments and 3 (three) replications which included 2 (two) factors. Factor I is dolomite lime, with concentrations of 0 grams, 50 grams and 100 grams, Factor II is humic acid, with a concentration of 0 cc/plant, and 10 cc/plant. Observation components in this study include plant height, stem diameter, and number of leaves. The research data were analyzed for variance with the F 5% test.The results showed that there was no interaction between the use of Dolomite Lime and the administration of humic acid. Dolomite lime has a significant effect on the variables of stem diameter and number of leaves. The use of Dolomite Lime with a concentration of 100 grams/plant and humic acid 10 cc/plant resulted in optimal growth in stem diameter and number of leaves.
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