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All Journal PROSIDING SEMINAR NASIONAL Journal of Tropical Life Science : International Journal of Theoretical, Experimental, and Applied Life Sciences Biogenesis: Jurnal Ilmiah Biologi Jurnal Pengabdian Pada Masyarakat Jurnal Ilmu Hukum The Juris Community Empowerment Urecol Journal. Part D: Applied Sciences Prosiding University Research Colloquium VIGOR: JURNAL ILMU PERTANIAN TROPIKA DAN SUBTROPIKA
agus suprapto
Universitas Tidar
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Effect of Varieties and Plant Population Densities on Dry Matter Production, Radiation Interception and Radiation Energy Conversion in Peanut agus suprapto; Yogi Sugito; S M Sitompul; Sudaryono Sudaryono
Journal of Tropical Life Science Vol. 2 No. 2 (2012)
Publisher : Journal of Tropical Life Science

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Abstract

The solar radiation is one of the major criteria to obtaining advantages on peanuts (Arachishypogaea L.). Although various combinations of crops have been reported, but variety association and plant population densities (PPD) during the periodically stage of growth on peanuts have yet to be analyzed. Dry matter production (DM), radiation energy interception, and radiation energy conversions were monitored over the growth period of two varieties of peanut. An experiment was conducted in Jambegede Research Farm, Indonesian Legume and  Tuber Crops Research Institute, Malang, East Java, Indonesia, from July until October 2011. The experiment was arranged in a Split Plot Design with three replications. Peanut varieties, as the main plot consisted of two treatments: Kelinci and Kancil variety. In addition, five PPD variations as sub plot consisted of 8.1, 11.1, 16.0, 25.0 and 44.4 plant m-2 were arranged in a square spacing. The results showed that DM production  from high PPD increased gradually to lower PPD in all varieties. Interception efficiency (IE) increased in all varieties from early sowing. A plant population density of 25.0 m-2 and 44.4 plants m-2 intercepted more radiation over 11.1 or 16.0 plants m-2. Conversion efficiency of radiation energy (CE) to total dry matter production on Kelinci variety (1.52%) indicated  a  slight higher percentage than on Kancil variety (1.41%). Moreover, the CE and IE values indicated a decrease  as the PPD  increased on maximum DM.
Co-Authors Adalia Natarina Wibowo Adhi Surya Perdana Agung Widi Saputro Alfian Syarifuddin Bambang Widarto Budi Aris Saputra Didi Kuntoro Esna Dilli Novianto Fasokha Nurbaiti Feri Anitasari Fitriana Eka Priyani Gembong Haryono H Historiawati Hadi Rianto Historiawati Historiawati Juwarman Juwarman Mahdalina Mursilati Mahdalina Mursilati Murti Astiningrum Murti Astiningrum Novi Sujatmiko Oesman Raliby Oesman Raliby Al Manan Putri Cahya Angraeny Raditya Febriyono Rahayu Sarwitri Retno Rusdidjati Rina Dewi Septanti Rusdjijati, Retno S M Sitompul Sudaryono Sudaryono Tujiyanta Tujiyanta Ummi Farida Fitriani Veni Soraya Dewi Whinarko Juliprijanto Wibowo Wibowo Yogi Sugito Yulia Eko Susilowati YUNIMAR YUNIMAR Zahrotul Ulin Nasroh