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All Journal Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Agrohorti Bulletin (e-Journal) Jurnal Ilmu Pertanian Indonesia Agromet Agrovigor: Jurnal Agroekoteknologi Kultivasi JURNAL SIMETRIK
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Departemen Agronomi Dan Hortikultura, Fakultas Pertanian, Institut Pertanian Bogor (Bogor Agricultural University), Jl. Meranti Kampus IPB Darmaga, Bogor 16680, Indonesia
Agriculture, Biological Sciences & Forestry Automotive Engineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Economics, Econometrics & Finance Electrical & Electronics Engineering Engineering

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Journal : Agrovigor: Jurnal Agroekoteknologi

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Kontribusi Biomassa dari Daun Gugur dalam Penyediaan Hara pada Pertanaman Ubi Kayu Suwarto Sukiman; Ahmad Faris Abrori
Agrovigor Vol 11, No 1 (2018): Maret
Publisher : Universitas Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (455.332 KB) | DOI: 10.21107/agrovigor.v11i1.3925

Abstract

In the central area of production, cassava is cultivated continuously along the year as monoculture. At harvest time a number of biomass will be transported from the land in the form of cassava roots, stem, and leaves; a number of nutrient transported from the land. However, the cassava is still could be cultivated with not significantly decreasing its productivity. Probable that is related to the leaves fall during the planting season as the biomass return. The study to know the contribution of the leaves fall to nutrient supply of cassava field has been conducted by planting cassava varieties of Adira-1, Gajah and Mangu as monoculture and intercropped with yam bean.  The leaves were starting fall at 8 weeks after planting (WAP).  The contribution of the leaves fall was significantly different among the varieties. The influence of planting system was not significant to the leaves fall.  Up to the harvest time at 34 WAP, the nutrient supply of leaves fall of Adira-1 was estimated could replace all nutrient of N, P, K, Ca and Mg transported in the roots of 15.7 ton ha-1.  The leaves fall of Gajah varieties was estimated could replace all nutrient of N and Ca transported in the roots of 19.6 ton ha-1.  However, the leaves fall of Mangu variety was estimated could not replace all nutrient of N, P, K, Ca and Mg transported in the roots of 30.5 ton ha-1. Additional fertlizers were needed to supply enought nutrient to Gajah and Mangu varieties.
Co-Authors Ade Irma Sulistiani Adi, Defiyanto Djami Agustinus Tri Aryanto Ahmad Faris Abrori Arief Fidiansyah Astri Muliasari, Ade Dwi Guntoro Edi Santosa Eko Sulistyono Elizabet Sagala Firmansyah Aznur Fitri Gumayanti Giansar Prastowo Hariyadi Hasril Hasan Siregar Herdhata Agusta Hesti Paramita Sari Ignatius Harry Tri Pambudi Irzal Effendi Iskandar Lubis Istiqlaliyah Muflikhati Iwan Prihantoro Jeremia C.L. Tobing K. Murtilaksono Laila Wati Krisna Lubis Lia Desyrakhmawati M.A. Chozin Maghfirah Maya Melati Mira Ariyanti Muhamad Syukur Muhammad dan Heni Purnamawati Haryadi Danang Faqihhudin Nope Gromikora Priambodo, Oktanindita Radhiya Nur Anwar Ratna Suminar Ratna Suminar Rochmah, Hidayati Fatchur S. Yahya Santikayasa, I Putu Sopyan Zaman Sudirman Yahya Sudirman Yahya Sudirman Yahya Sugiyanta Tati Budiarti Tri Astuti Tyas Arumsari Wiwik Hartatik