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All Journal HAYATI Journal of Biosciences Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) CHEMISTRY PROGRESS JURNAL BIOLOGI INDONESIA Sawala : Jurnal pengabdian Masyarakat Pembangunan Sosial, Desa dan Masyarakat Jurnal Wana Tropika AKADEMIK: Jurnal Mahasiswa Humanis Interdisciplinary International Journal of Conservation and Culture Saba : Journal of Tourism Research Jurnal Wana Tropika

Yadi Setiadi

IPB

Author-ID : 376510

Religion Agriculture, Biological Sciences & Forestry Arts Humanities Biochemistry, Genetics & Molecular Biology Chemistry Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Environmental Science Social Sciences

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Perbaikan Pertumbuhan dan Kualitas Tanaman Lidah Buaya di Tanah Gambut dengan Aplikasi Mikoriza Arbuskula dan Pemupukan Sasli, Iwan; Yahya, Sudirman; Sudradjat, ,; Setiadi, Yadi; Sudarsono, ,
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 36 No. 3 (2008): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

This research was aimed at studying the effectiveness of mycorrhiza, inorganic and organic fertilizer (fish and shrimp waste) on growth, yield and quality of Aloe in peat soil. The study was conducted on peat area, North Pontianak, West Kalimantan. Mycorrhizal application levels (without mycorrhiza, Mycofer and mycorrhizal from pineapple's rhizosphere) were as main-plot. The inorganic fertilizer (composition of N:P:K:Mg) rates (without inorganic fertilizer; 5 : 4 : 7.5 : 2.5 g/plant; 10 : 8 : 15 : 5 g/plant; and 20 : 16 : 30 : 10 g/plant) were as sub-plot. Organic fertilizers: (fish; shrimp; fermented fish; and fermented shrimp wastes) were as sub-sub plot. The observed variables were: leaf width, leaf length, leaf fresh weight, plant dry weight, and nutrient uptake (N, P, K, Mg). The results showed that mycorrhizal application improved growth performance and increased N, P, Mg uptake. The best plant growth performance was achieved by N : P: K : Mg =10 : 8 : 15 : 5 g/plant and fermented shrimp waste treatments. The highest N, P, K, Mg nutrients uptake was achieved by application of fermented organic fertilizer. Combination of mycorrhiza from pineapple's rhizosphere with fermented fish and shrimp waste resulted in higher amino acids content compared to standard cultivation of Aloe vera Center in Pontianak. Key words: Aloe vera, arbuscular mycorrhiza, inorganic fertilizer, organic fertilizer

Pengaruh Inokulasi Dua Spesies Cendawan Mikoriza Arbuskula dan Pemupukan Fosfor terhadap Pertumbuhan dan Serapan Fosfor Tajuk Bibit Kelapa Sawit ( Elaeis guineensis Jacq.) Wachjar, Ade; Setiadi, Yadi; Yunike, Ninin
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 30 No. 3 (2002): Buletin Agronomi
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

The objective of this experiment was to evaluate the effect of two Arbuscular Mychorrhizal Fungi (AMF) species and phosphorus fertilization on growth and shoot P-uptake of oil palm seedling. Experiment was conducted from September 1999 to March 2000 at Darmaga, the Cikabayan Experiment Station of Bogor Agricultural University. The experiment was arranged in Randomized Bloqk Design with five replications. The first factor was species of AMF. consisted of without AMF. inoculation with Glomus aJlJlreJlatum (OG-I05) and inoculation with Glomus manihotis (INDO-I). The secondfactor was dosage of phosphorus consisted of 0, 0.577, 1.154 and 1.734 g P/seedling.The Arbuscular Mycorrhizal Fungi did not increase height of seedling, leaves total (except on leaves total at 28 weeks after planting), shoot biomass, total biomass. and shoot P-uptake compare to the control. Shoot P-uptake was significantly decreased on seedling which was inoculated with G. manihotis compare to inoculated G. aJlJlreJlatum and control. Phosphorus fertilizer and it's interaction with species of AMF did not give any influence on growth and shoot P-uptake of the oil palm seedling. Keywords.. Mycorrhizal fungi. Phosphorus fertilization, Oil palm

Pengaruh Pupuk Organik dan Intensitas Naungan terhadap Pertumbuhan Bibit Kopi Robusta (Coffee canephora Pierre ex Froehner) Wachjar, Ade; Setiadi, Yadi; Mardhikanto, Lies Wahyuni
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 30 No. 1 (2002): Buletin Agronomi
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

The experiment was aimed at study the effect of organic fertilizer and shading inetnsity on yhe growth of Robusta coffee seedling. Seven month old seedling of hybrid variety of BP 42 and BP 358 crossing were used in the experiment was conducted at Cikabayan Experimental Station Bogor Agriculture University, from July 2000 to January 2001. The experiment was arranged in split plot dessign with three replications. the main plot was shading intensity cinsisted of 25% (N1), 50% (N2), 75% (N3), and 100% (N4) shade. The sub plot was organic fertilizer consisting of 4 g EMAS + 1/2 dosage of inorganic fertilizier (d.i.f), 4 ml EM4 + 1/2 d.i.f (P2), 4 g OST + 1/2 d.i.f(P3), 20 ml Soils Plus + 1/2 d.i.f(P4) and 1 dosage of inorganic fertilizer (P5). Organic fertilizer affected growth, as shown by height and stem diameter of seedling at early period of experiment and shoot biomass at the end of experiment compared to one effect on all variable during the experiment. Keyword : Coffee, Shading, Oerganic fertilizer

PENGARUH DOSIS INOKULUM CENDAWAN MIKORIZA ARBUSKULA (GIGASPORA ROSEA) DAN PUPUK NITROGEN TERHADAP PERTUMBUHAN BIBIT KOPI ROBUSTA Wachjar, Ade; Setiadi, Yadi; Hastuti, Tirsa Rachma
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 26 No. 2 (1998): Buletin Agronomi
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

The experiment was aimed to study the effect of Gigaspora rosea inoculant and nitrogen fertilizer on the growth of coffee Robusta seedling. Coffee seedling which were used came from seedling of hybrid variety from BP 42 and BP 358 crossing, age 1 month. Micorrhiza fungi inoculations which were used came from Gigaspora rosea species. The experiment was conducted at Sukamantri Experiment Station Bogor Agriculture University, from December 1996 to August 1997. The experiment was arranged in Randomized Block Design with three replications. The first factor was dosage of micorhiza inoculation, consisted of 0, 5, 10 and 15 g/seedling. The second factor was dosage of nitrogen consisted of 0, 1.5, 3.0 and 4.5 g/seedling. Fungi inoculation treatment in the dosage 15 g/seedling showed the highest infection percentage but can not increase the growth of coffee seedling. Fungi inoculant in the dosage 5 g/seedling gave the best growth level, showed by variety height of seedling, trunk diameter; leaves total and leaves area, shoot and root biomass, compare to the other fungi inoculation dosages. The highest level of nitrogen in leaf was found in the dosage 4.5 g/seedling. Fungi inoculation in the dosage 5 g/seedling and nitrogen fertilizer in the dosage 3 g/seedling gave the highest level of leaves area and shoot biomass, compare to the other treatment combinations.

Co-Authors Ade Wachjar Agung Dhamar Syakti Aramadhan, Dimas Hatta Asri Wulansari, Asri Burhanuddin Masyud Charlena Emma Amalia, Emma Eny Faridah Ervizal AMZU Ida Farida Ismiraj, Muhammad Rifqi Iswandi Anas Iwan Sasli Lies Wahyuni Mardhikanto Mas?ud, Zainal Alim Moh. Yani Mulyanti, Dewi Ninin Yunike Novi Mayasari NURIYAH Pratama, Aditia Sri Soegiharto, Sri Sudarsono Sudirman Yahya Sudradjat , SUMARDI Sumardi Tirsa Rachma Hastuti Wiwik Ekyastuti

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