INFLUENCE OF ADDITION OF AMELIORANT ON PRODUCTIVITY OF PEANUT ON ACIDIC DRY LAND IN BENGKULU PROVINCE

Rahman, Taupik and Irma Calista, Siagian and Wahyu , Wibawa (2016) INFLUENCE OF ADDITION OF AMELIORANT ON PRODUCTIVITY OF PEANUT ON ACIDIC DRY LAND IN BENGKULU PROVINCE. In: Proceeding ISEPROLOCAL. Badan Penerbitan Fakultas Pertanian Universitas Bengkulu, Bengkulu, Indonesia, pp. 222-227. ISBN 9786029071184

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Abstract

Acidic dry land the dominant soil types in Bengkulu province which have potential for the development of dryland agriculture, but it has properties to inhibit plant growth due to high soil acidity (average pH <4.5), high Al saturation, poor main macro-nutrient, especially P, K, Ca and Mg and low organic matter content. Application of P and K fertilizer and addition of organic matter (ameliorant) are expected to overcome the problems. The objectives of this study was to investigate the application of ameliorant on growth and yield of four groundnut varieties on acidic dry land planted in Bengkulu. The experiment was carried out on acidic dry land in Central Bengkulu from June to September 2014 in the dry season. The experimental design used was a split plot design with two factor, first factor were addition of amelioran and varieties second factor with four replicates. Peanut varieties used were Talam, Tuban, Kancil and Local. Ameliorant given was Dolomite at 0.5 tons / ha and compost at 2.5 tons / ha. Fertilizer used were Urea,SP-36 and KCL at 75 kg / ha. The results showed that addition ameliorant was significantly different in plant height in early growth phase of peanut 28 and 42 days after planting (DAP) while for number of branch there is no significantly different. Addition ameliorant only provide significant difference in percentage of damaged pods, groundnut varieties provide real difference in weight of 100 grains, number of seeds / hill and number of pods / clump.

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