Pengaruh Komposisi Media Tanam dan Pupuk NPK terhadap Pertumbuhan Bibit Kakao (Theobroma cacao L.)

Ainun Marliah, Muhammad Thedi, Rika Husna

Abstract


Abstrak. The objective of study was to determine the influence of the composition of the growing media and the dose of NPK fertilizer, as well as the interaction of the two on the growth of cocoa seedlings. This research was carried out at the Experimental Garden and Seed Technology Laboratory, Faculty of Agriculture, Syiah Kuala University, Darussalam, Banda Aceh from February to May 2021. This study used a Factorial Randomized Block Design with 2 factors. The factors studied were the composition of the planting media which consisted of 3 levels (soil, soil:husk charcoal:compost 1:1:1, and soil:husk charcoal:compost 1:1:2) and the dose of NPK fertilizer consisted of 4 levels (0 g/polybag,10 gr/polybag), 20gr/polybag and 30gr/polybag). The results showed that the composition of the planting media had a very significant effect on the parameters of height increase at 30, 60 and 90 DAP, increase in stem diameter at 30, 60 and 90 DAP, increase in the number of leaves at 60 DAP and 90 DAP, leaf area at 90 DAP, root volume at 90 DAP, wet root weight at 90 DAP and dry root at 90 DAP. The best treatment was found in the composition of the planting media of soil:husk charcoal:compost (1:1:1). The dose treatment of NPK fertilizer had a very significant effect on the parameters for increasing the height of seedlings at 30, 60 and 90 DAP, increasing in stem diameter at 30, 60 and 90 DAP, increasing the number of leaves at 60 DAP, and root volume at 90 DAP. The best dose is found at 10 gr/polybag. There was a very significant interaction between the treatment of the composition of the growing media and the dose of NPK fertilizer on the parameters for increasing the height of seedlings at 90 DAP and increasing in stem diameter at 30 DAP, as well as a significant interaction on the parameters for increasing stem diameter at 60 DAP and increasing the number of leaves at 60 DAP.

Keywords : Cocoa Seeds, Composition of planting media, NPK

 

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References


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DOI: https://doi.org/10.17969/floratek.v17i2.26429

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ISSN / E-ISSN: 1907-2686 / 2597-9108
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