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Evaluation of Physical Properties of Soil Determinants Glucomannan Content of Porang Tuber (Amorphophallus muelleri) in Entisols of North Lombok Febriana Sri Wahyuni; Sukartono Sukartono; Suwardji Suwardji
Jurnal Biologi Tropis Vol. 23 No. 2 (2023): Special Issue
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v23i2.6380

Abstract

Porang (Amorphophallus muelleri) is a tuber plant that contains the compound of glucomannan which has high economic value with a number of benefits, including as an industrial raw material. The glucomannan content of porang tubers has received special attention in research, including field research to determine soil properties that influence growth and content of gucomannan in porang tubers. A field survey has been carried out to determine the physical properties of soils that influence the glucomannan content of porang tubers grown in four clusters of agroforestry in the dry land of North Lombok, Eastern Indonesia. The results of the research showed that the physical properties of the soil that had a significant effect on the glucomannan content of porang tubers were soil bulk density (BD) with an R2 value of 53.15%, soil porosity with an R2 value of 60.23%, and silt particle fraction with an R2 value of 23. 47%. Thus, managing soil physical properties to facilitate the better quality of porang tubers is necessary.
Bimbingan Teknis Pembuatan Biochar Sekam Padi dengan Metode Retort Kiln di Desa Sukadana Lombok Tengah Zuhdiyah Matienatul Iemaaniah; Lalu Arifin Aria Bakti; Sukartono Sukartono; Siska Ita Selvia; Haidir Ali Salsabil; Jasrodi Jasrodi
Jurnal Pengabdian UNDIKMA Vol. 4 No. 4 (2023): November
Publisher : LPPM Universitas Pendidikan Mandalika (UNDIKMA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/jpu.v4i4.8892

Abstract

This service aims to increase the knowledge and skills of Patuh Bersama farmer group members in processing rice husk Biochar agricultural waste using the Retort Kiln method. The method of implementing this service activity used a technical guidance method with a participatory approach. Evaluation of this activity was carried out through interactive sharing and then the data was analyzed descriptively. The results of this service activity showed that the farmer group could understand and had the skills to make rice husk biochar using the Retort Kiln method. Apart from that, from the results of this service it is hoped that farmers can utilize agricultural waste as a soil improvement material on agricultural land.
Co-Authors Febriana Sri Wahyuni Haidir Ali Salsabil Jasrodi Jasrodi Lalu Arifin Aria Bakti Siska Ita Selvia Suwardji Zuhdiyah Matienatul Iemaaniah