Remediating the Degraded Land Due to Mining of Pumice Stone in the Northern Part of Lombok Island by Applying Silicate Rock - Organic Fertilizer

Priyono, Joko and Rahardjo, Cuk Suko and Rahmianna, A A (2011) Remediating the Degraded Land Due to Mining of Pumice Stone in the Northern Part of Lombok Island by Applying Silicate Rock - Organic Fertilizer. In: International Conference on Sustainable Agriculture and Food Scurity: Challenges and Opportunities, 27-28 September 2011, Bandung, West Java.

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Abstract

This research was aimed to identify the effects of the application of a remediating agent which was a mixture of ground basaltic-silicate rock powder with manure, termed as silicate rock-organic fertilizer (SROF), on soil quality of the degraded land due to mining of pumice stone in the northern part of Lombok Island. The degraded land was physiographically fixed, manually cultivated, and terrace accordingly to the land sloping. A completely randomized block design was applied with a treatment of five application rates of the remediating agent (0 - 10 t ha-). A week after application of the redediating agent, corn (var. BISI 2) was grown on the land. Soil organicm-respiration rate was measured at 45 and 90 days after planting and several soil chemical properties were identified after crop harvesting. Results indicated that application of the remediating agend (SROF) significantly increased soil organism activity, soil cation exchange capacity, growth and yield of corn. it was concluded that the mixture of basaltic-silicate rock powder and manure may be used as an effective remediating agent to rebuild ht ephysical, chemical, as well as biological properties of degraded land due to mining.

Item Type: Conference or Workshop Item (Paper)
Keywords (Kata Kunci): ameliorant, degraded land, pumice stone, silicate rock
Subjects: S Agriculture > S Agriculture (General)
Divisions: Fakultas Pertanian
Depositing User: Ir. Joko Priyono M.Sc., Ph.D
Date Deposited: 07 Jun 2022 05:12
Last Modified: 07 Jun 2022 05:12
URI: http://eprints.unram.ac.id/id/eprint/29164

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