Hutauruk, Tri Agung Horas (2023) Pengaruh Bokashi Tandan Kosong Kelapa Sawit (TKKS) dan Pupuk Npk Grower terhadap Pertumbuhan Bibit Tanaman Kakao (Theobroma Cacao L.). Other thesis, Universitas Islam Riau.

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Abstract

The research entitled "The Effect of Bokashi Empty Palm Oil Bunches (EFB) and NPK Grower Fertilizer on the Growth of Cacao Plant Seeds (Theobroma cacao L.)", was carried out in the experimental garden of the Faculty of Agriculture, Islamic University of Riau, Jalan Kaharuddin Nasution Km 11 No.113, Pekanbaru City for 4 months from December 2021 to March 2022. The aim of the study was to determine the interaction and main effect of bokashi empty palm fruit bunches (EFB) and NPK GROWER Fertilizer on cocoa plant nurseries. The design used in this study was a completely randomized factorial design consisting of 2 factors. The first factor is the dose of bokashi empty palm oil bunches (EFB) consisting of 4 levels, namely 0, 30, 60, 90 grams per polybag and the second factor is the dose of NPK Grower fertilizer consisting of 4 levels, namely 0, 3, 6, 9 grams per polybag. . Each treatment combination consisted of 3 replications to obtain 48 experimental units. Parameters observed were plant height, number of leaves, stem diameter, root volume, widest leaf area. Observational data were analyzed for variance (Test F). If the calculated F is greater than the F table, then it is continued with a further test of the Honest Significant Difference (BNJ) at the 5% level. The results showed that the interaction effect of OPEFB bokashi and NPK Grower fertilizer was significant for all observation parameters. The best treatment was the combination treatment of 90 g/polybag OPEFB bokashi and 9 g/polybag NPK Grower Fertilizer. The main effect of OPEFB bokashi is real on all observation parameters. The best treatment was found in the 90 g/polybag OPEFB bokashi treatment. The main effect of NPK Grower Fertilizer is real on all observation parameters. The best treatment was found in the NPK Grower Fertilizer 9 g/polybag.

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