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All Journal Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Buletin Agrohorti Jurnal Hortikultura Indonesia (JHI) Jurnal Keteknikan Pertanian Novae Giunea Jurnal Biologi
M. A. Chozin
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Economics, Econometrics & Finance Education Social Sciences Other

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Uji Potensi Hasil Beberapa Galur Padi Gogo Eko Sulistyono; M. A. Chozin; Femila Rezkiyanti
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

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (316.844 KB) | DOI: 10.24831/jai.v30i1.1421

Abstract

Artificial shading experiment was conducted to test upland rice lines yield potential and study agronomic character correlated with high yield. A factorial experiment was arranged in split plot design with three replications. The main plot were three levels of shading: 0%, 25% and 50%. The sub-plot were 18 upland rice lines. Dry grain weight was affected by interaction between shading and lines. High yield was resulted by B8503E-TB-19B-3-4, .S'3605F-PN-201, IGM440, and 2GM440. Agronomic characters correlated with high yield potential at low light intensity were high plant, high leaf area, low tiller number, high shoot and root dry weight, high grain density and low unfilled grain percentage. Key words: Agronomic character, Grain density, Root weight, Low light intensity.
Pengaruh Penggunaan Pupuk Anorganik dan Pupuk Semai Mikrobia terhadap Pertumbuhan dan Produksi Kapas (Gossypium hirsutum L.) Dwi Guntoro; M. A. Chozin; Dini Dwirestina
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 32 No. 1 (2004): Buletin Agronomi
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (624.459 KB) | DOI: 10.24831/jai.v32i1.1430

Abstract

effect of inorganic fertilizer dosage and concentration of Semai Mikrobia fertilizer on cotton growth and production was studied at Cikabayan greenhouse, IPR. The experiment was arranged in split plot design with three replicates. The dosages of inorganic fertilizers as the main plot and the concentration of Semai Mikrobia as sub plot. The dosages of inorganic fertilizers were no fertilizer, 50% recommended dosage, and IOO% recommended dosage and the concentrations of Semai Mikrobia were 0 cc/l water, 4 cc/l water, 8 cc/l water, and I2 cc/l water. The results indicated that the application of Semai Mikrobia fertilizer up to I2 cc/l did not affect growth and production of cotton. There was no interaction effect between the dosage of inorganic fertilizer and Semai Mikrobia concentration. Inorganic fertilizer application at IOO% recommended dosage increased height and the number of generative branch compared with no fertilizer.
PENGARUH KONSENTRASI DAN SELANG WAKTU PEMBERIAN EFFECTIVE MICROORGANISMS 4 (EM-4) TERHADAP PERTUMBUHAN DAN HASIL TANAMAN KAPAS (Gossypium hirsutum L.) Moh. Amri Arsyid; M. A. Chozin; Sofyan Zaman
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 26 No. 1 (1998): Buletin Agronomi
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1641.035 KB) | DOI: 10.24831/jai.v26i1.1592

Abstract

The objective of this experiment is to study the effect of concentration and application interval of EM4 on growth and yield of cotton. The experiment was held in KP Sindangbarang Bogor from March to August 1996, using RCD with two factors and three replications. The first factor was EM4 concentration which were 0 ml L-1  water, 5 ml L-1  water, 10 ml L-1  water, 15 ml L-1  water, and 20 ml L-1  water. The second factor was application interval which were 5, 10, and 15 days. The result shows that the concentration of 5 ml L-1  water significantly affected the vegetative growth. But in the contrary, application interval and its interaction do not give the similar effect. The generative growth were significantly affected by concentration and application interval and its interaction. The best combination for maximum cotton yield is in concentration of 5 ml L-1 water and application interval 10 days, and for maximum seeded cotton yield is 5 ml L-1 water and 15 days.
Co-Authors Alfred A Antoh Atikah Dyah Perwita Bakhtiar, Bakhtiar. Bambang S. Purwoko Budi Tjahjono Dini Dwirestina Dwi Guntoro Dyana Chairannisa E. Namaken Sembiring Eko Sulistyono Fathurrahman Aziz Munawir Femila Rezkiyanti Fred Rumawas Hadi Susilo Arifin I. Hanarida I. S. Dewi Iqbal . Irdika Mansur Moh. Amri Arsyid Munif Ghulamahdi Nurhayati HS Arifin Priatna Sasmita Raisa Baharudin S. Sujiprihati Sofyan Zaman Sugiyanta Tineke Mandang Trikoesoemaningtyas uang G. Kartika Wahju Qamara Mugnisyah