Vicki, Sardo.l (2024) Pengaruh Biochar Tempurung Kelapa Dan Npkmg 15:15:6:4 Terhadap Pertumbuhan Bibit Pinang Hibrida (areca Catechu L.) Pada Media Tanam Podsolik Merah Kuning. Other thesis, Universitas Islam Riau.

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Abstract

Research that has been carried out with the aim of knowing the interaction effect and the main coconut shell biochar and NPKMg 15:15:6:4 on the growth of hybrid areca nut (Areca catechu L.) seedlings on yellow red podsolik planting media. The research was conducted at the Experimental Garden of the Faculty of Agriculture, Riau Islamic University, Air Dingin Street, Air Dingin Village, Bukit Raya District, Pekanbaru City, for four months from March to July 2024. The research used a completely randomised factorial design consisting of two factors. The first factor was coconut shell biochar consisting of 4 levels of treatment: 0, 75, 150, 225 g per polybag, while the second factor is NPKMg 15:15:6:4 consisting of 4 treatment levels: 0, 2, 4, 6 g per polybag. The parameters observed were plant height, number of leaf midribs, stem diameter, total leaf area and root volume. Data were analysed statistically and continued at the 5% level of BNJ test. The results showed that the interaction of coconut shell biochar and NPKMg 15:15:6:4 affected all observation parameters. The best treatment was found at a dose of 225 g coconut shell biochar per polybag and NPKMg 15:15:6:4 6 g per polybag. The main factor of coconut shell biochar influenced all observation parameters. The best treatment was found at a dose of 225 g coconut shell biochar per polybag. The main factor of NPKMg 15:15:6:4 influenced all observation parameters. The best treatment was found at a dose of NPKMg 15:15:6:4 6 g per polybag.

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