APLIKASI BIOCHAR, KOMPOS, DAN PHONSKA TERHADAP KELAYAKAN HASIL JAGUNG DI LAHAN KERING

Situmeang, Yohanes Parlindungan and Risa Andriani, Anak Agung Sagung and Suarta, Made and Yuliartini, Made Sri and Resiani, Ni Made Delly (2017) APLIKASI BIOCHAR, KOMPOS, DAN PHONSKA TERHADAP KELAYAKAN HASIL JAGUNG DI LAHAN KERING. BULETIN TEKNOLOGI DAN INFORMASI PERTANIAN, 15 (44). pp. 1-7. ISSN 1693 - 1262

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Abstract

Biochar is an organic material which is difficultly weathered (recalcitrant), as an alternative to accelerate the improvement of soil quality in the drylands, especially physical soil properties, which affect the increase of living microorganisms in the soil and chemical property changes in the supply of nutrients that plants need. This study aimed to get formulations biochar with compost and Phonska which gives the highest yield of corn. This study used a randomized complete block design (RCBD) with a factorial pattern. The treatments tested were doses of biochar (D) and fertilizers (P). The first factor is the dose of fertilizer with biochar dose level 4 (D), namely: D0 = 0 t ha-1 (without biochar), D1 = 5 t ha-1, D2 = 10 t ha-1, D3 = 15 t ha-1. The second factor is the type of fertilizer (P) with four types, namely: P0 = without fertilizer, P1 = compost (20 t ha-1), P2 = Phonska (300 kg ha-1), and P3 = compost (20 t ha-1) + Phonska (300 kg ha-1). Dose formulations biochar 10 t ha-1 with compost 20 t ha-1 and Phonska 300 kg ha-1 provides the highest yield of 12.99 t ha-1 seed dry seed moisture content of 15%, which increased by 124 % when compared the lowest yield on treatment without biochar and fertilizer (D0P0) was only 5.80 t ha-1. Formulation biochar 10 t ha-1 with compost and Phonska (D2P3) gives a value IBCR (Incremental Benefit Cost Ratio) of 1.28 is classified as a viable to cultivated.

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