Syafix, Muhamad (2025) Pengaruh Pupuk Npk Hpa Dan Biosaka Terhadap Pertumbuhan Bibit Kakao (theobroma Cacao L.) Varietas Bl – 50. Other thesis, Universitas Islam Riau.

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Abstract

This study aims to determine the influence of the interaction and main interaction of NPK HPA and biosaka on the growth of cocoa seedlings (Theobroma cacao L.) of the BL - 50 variety. This research has been carried out at the Cold Water Experimental Garden, Faculty of Agriculture, Riau Islamic University, Jalan Kaharudin Nasution Km 11, Air Dingin Village, Pekanbaru City. The research was carried out from May to August 2024. The design used in this study is a factorial Complete Random Design (RAL) with two factors. The first factor is NPK HPA consisting of 4 treatment levels, namely no treatment, 7.8, 15.75 and 23.55 g/polybag and the second factor is biosaka concentration consisting of 4 treatment levels, namely no treatment, 1.5, 3, 4.5 ml/l, so that there are 16 treatment combinations with 3 replicates, then there are 48 experimental units. The parameters observed were plant height, number of leaves, root length, stem diameter, widest leaf area, root volume, chlorophyll of cocoa seedling leaves.

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