Impact of inorganic, organic fertilizer and mulch to the physical and chemical characteristics of soil and production of Red Onion of Palu Valley Variety
Journal Title: International Journal of Farming and Allied Sciences - Year 2016, Vol 5, Issue 5
Abstract
The research aims to describes the impact of the combination of inorganic fertilizer (NCaS)182.70 : 332.00 : 98.40 Kg h-1, organic fertilizer (rice husk compost - cow dung (RHCCD)20.00 t ha-1), and rice straw mulch (RSM)5.00 t ha-1 to the physical and chemical characteristics of soil and the production of Red Onion of Palu Valley Variety. Research experiment was done through randomized complete block design which was consist of seven treatment and four replication. The planting block experiment consist of P0= conventional cultivation techniques, P1 = planting block with NCaS, P2 = planting block with RHCCD, P3 = planting block with NCaS + RHCCD, P4 = planting block with NCaS + RSM, P5 = planting block with RHCCD + RSM, and P6 = planting block with NCaS + RHCCD + RSM treatments. Research confirm that treatments contribute significantly to the chemical characteristic of soil, encompasses temperature, water content in soil, number and weight of soil worms, nutrient content and onion bulb productivity. There no significant changes of physical characteristics of soil. In the treatment of P0 and P1, the soil pH, C-organic, P, K,S,Ca, Mg-exchangeable and K-exchangeable were decrease significantly. Conversely, N-total, CEC and Na-exchangeable increase significantly. The highest total percentage of soil nutrient found at P6, and followed by P4, P5, P6, P3, P2 and the lower was P1.
Authors and Affiliations
Nur Alam, Abdul Latief Abadi, M. Luthfi Rayes, Elok Zubaidah
Keywords
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