Effect of Frequency of Leaf Fertilizer Application and use of Shade on Growth of Porang (Amorphophallus oncophyllus Prain.) in Artificial Tin Mining Tailings

Dr. Ir. Ismed Inonu, M.Si., - and Deni Pratama, - and Dendi Prayoga, - (2022) Effect of Frequency of Leaf Fertilizer Application and use of Shade on Growth of Porang (Amorphophallus oncophyllus Prain.) in Artificial Tin Mining Tailings. In: Proceedings of the International Conference on Sustainable Environment, Agriculture and Tourism (ICOSEAT 2022). Atlantis Press. ISBN 2468-5747

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Abstract

Tailings land has the potential to utilize as agricultural land. Tailings land requires improvements such as proper fertilization and has potential to be planted with cultivated plants, such as porang. Porang have potential to be cultivated, because porang have a high import value. This study aims to determine the effect of application foliar fertilizer frequency determine the effect of shade on the growth of porang plants on sand tailings. The research conducted at the Research and Experimental Gardens, Faculty of Agriculture, Fisheries and Biology, University of Bangka Belitung. The research carried out for 4 months, from September 2021 to January 2022. The design used was a Split Plot design with Factorial Randomized Block Design. Shade as the main plot was divided into 2 levels, consist of: the use of shade 60% and without shade. The frequency of application of foliar fertilizers as subplots with 3 levels, consist of: foliar fertilizer application once a week, foliar fertilizer application every 2 weeks and foliar fertilizer application every 3 weeks. If there is a significant effect, further testing will be carried out with the DMRT test with a 95% confidence level. The results showed that the frequency of application of foliar fertilizers and the use of shade significantly affected all parameters except the number of leaves, the number of shoots and the diameter of the shoots. The frequency of application of foliar fertilizer once a week gives the best effect on the growth of porang, the use of shade gives the best effect on the growth of porang, gave to growth of porang frequency of foliar fertilizer application and the use of shade, the frequency of application of foliar fertilizer once a week and the use of shade was best treatment for growth of porang.

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