Utilization of Organic Material Insitu to Increase the Absorption N, P, K and Soybean Results on Gold Mining Fields in Sijunjung Districts

s, Giska Oktabriana and Syofiani, Riza (2019) Utilization of Organic Material Insitu to Increase the Absorption N, P, K and Soybean Results on Gold Mining Fields in Sijunjung Districts. In: CONFERENCE PROCEEDING 3rd INTERNATIONAL CONFERENCE ON SECURITY IN FOOD, RENEWABLE RESOURCES, AND NATURAL MEDICINES 2019 (SFRN 2019). pusat penelitian dan pengabdian pada masyarakat Politeknik Pertanian Negeri Kupang. ISBN 9786025126284

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Abstract

Gold mining in Sijunjung Regency is usually carried out illegally by riverbanks and traditional community-owned rice fields. Problems faced in this former mining land are low productivity due to poor chemical properties of the soil itself such as acid soil, N-total, P-available, Cation Exchange Capacity (CEC) and base content (K, Ca, Mg and Na) which is low and also Al which is dissolved in the soil is very high as a result nutrient absorption will also be low. One way that can be done to improve the availability and uptake of soybean that is with the use of organic materials in situ that can provide nutrients for the soybeans. This research was conducted in Nagari Pala Luar, Koto Tujuh District, Sijunjung Regency for 3 months and continued with analysis in the Soalas Laboratory of the Faculty of Agriculture, Andalas University. The design used in this study was a Randomized Block Design (RAK) with 5 treatments and 3 replications, with treatment A = Control, B = 0.5 kg rice straw + 0.5 kg manure, C = 1 kg rice straw + 1 kg manure, D = 1.5 kg rice straw + 1.5 kg manure, E = 2 kg rice straw + 2 kg manure. Data analysis using 5% ANOVA table if F count is more than F table 5% and BNJ further test 5%. From the results of the study it can be concluded that the use of inorganic materials can increase nutrient uptake and soybean yields in the former gold mine land in Sijunjung Regency.

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