Growth Response and Yield of Sorghum (Sorghum bicolor L.) with NPK Application and Cassava Bark Compost in Ultisol Land

Dr. Tri Lestari, SP., M.Si., - and Rion Apriyadi, - and Verawati, - (2022) Growth Response and Yield of Sorghum (Sorghum bicolor L.) with NPK Application and Cassava Bark Compost in Ultisol Land. roceedings of the International Conference on Sustainable Environment, Agriculture and Tourism (ICOSEAT 2022). ISSN 2468-5747

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Abstract

Sorghum is a plant that has the potential to be developed on dry land such as ultisols. Provision of organic matter and application of NPK is one of the efforts to optimize plant growth on critical land. Cassava peel block compost and cassava peel compost are organic materials that can be used to increase productivity in ultisol fields. This study aims to determine the effect of the type of organic matter and the best dose of NPK on the growth and yield of sorghum. This study used an experiment method with factorial randomized block design and also consist of 4 replications. The first factor is the type of organic matter consisting of cassava peel compost (K0) and cassava peel block compost (K1), while the second factor is the dose of NPK fertilizer, namely 11,25 grams of NPK fertilizer/plant (P1), 22,5 grams of NPK fertilizer/plant (P2) and 45 grams of NPK fertilizer/plant (P3). The results showed that the type of organic matter had a very significant effect on the parameters of seed weight and dry stover weight, and had a significant effect on root length. The application of NPK fertilizer had a significant effect on the parameters of seeds weight, but had no significant effect on other parameters. The interaction between the type of organic matter and the application of NPK dose had a significant effect on stem diameter, but had no significant effect on other parameters. Combination treatment of cassava peel block compost with a dose 11,25 grams of NPK fertilizer/plant was the best result because it showed the best growth indicators on plant height, root length and total dissolved solid parameters. Combination treatment of cassava peel block compost with a dose 45 grams gave the best results on the parameters of weight of wet stover and dry stover weight.

Item Type:	Article
Uncontrolled Keywords:	Sorghum, block compost, NPK, ultisol soil
Subjects:	S Pertanian > S Pertanian (Umum)
Divisions:	KARYA TULIS DOSEN
Depositing User:	UPT Perpustakaan UBB
Date Deposited:	30 Mar 2023 02:29
Last Modified:	19 May 2023 02:01
URI:	https://repository.ubb.ac.id/id/eprint/7044

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