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ARTIKEL EFFECT OF GIBBERELLIC ACID AND NITROGEN ON DRY MATTER, HARVEST INDEX AND SOLAR RADIATION CONVERSION EFFICIENCY IN PEANUT AT WETLAND

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ABSTRACT. Dry matter (DM), harvest index (HI) and solar radiation energy conversion efficiency (CE) with effect of gibberellic acid and nitrogen fertilizer application on peanut in wetland. An experiment was conducted on a gray alluvial soil at Jambegede Research Farm, Indonesian Legume and Tuber Crops Research Institute, Malang, East Java, Indonesia about 335 m above sea level, from July to November 2011. It was arranged in a Split-split Plot Design with three replications. Peanut varieties as main plot consisted of two treatments; they were Kelinci and Kancil varieties. Three gibberellic GA3 variation as sub plot consisted of 0,50 and 100 mgkg-1. Three nitrogen fertilizer variations as sub-sub plot consisted of 0,23 and 46 N.ha-1.The dry matters, harvest index and radiation energy conversion efficiency values were monitored during the growth period of two varieties of peanut. The result indicated that Kelinci varieties have been higher DM and CE values than Kancil variety. The application of gibberellic acid GA3 50 and 100 mgkg-1 not yet increase DM and CE values. Then, that application of N 23 and 46 kg.ha-1 values would help to increase both DM and CE values. Harvest index shown even on Kancil variety (0.54) greater than Kelinci variety (0.52).

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Judul Seri

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No. Panggil

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Penerbit

TOKYO : SUSTAIN SOCIETY., 2013

Deskripsi Fisik

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Bahasa

English

ISBN/ISSN

2188-0999

Klasifikasi

NONE

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Pernyataan Tanggungjawab

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