Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy)
ISSN : 20852916     EISSN : 23373652
urnal Agronomi Indonesia, sebelumnya bernama Buletin Agronomi, terbit sejak 1962, diterbitkan oleh Departemen Agronomi dan Hortikultura Fakultas Pertanian, Institut Pertanian Bogor dan Perhimpunan Agronomi Indonesia (PERAGI). Jurnal Agronomi Indonesia merupakan media untuk publikasi tulisan asli yang berkaitan dengan budidaya tanaman secara luas, dalam Bahasa Indonesia maupun Bahasa Inggris. Naskah dapat berupa: hasil-hasil penelitian mutakhir (paling lama 5 tahun yang lalu), ulasan (review)singkat, analisis kebijakan atau catatan penelitian (research note) singkat mengenai teknik percobaan, alat, pengamatan, hasil awal percobaan (preliminary result).
Articles 4 Documents
Search results for , issue " Vol 26, No 3 (1998): Buletin Agronomi" : 4 Documents clear
PENGARUH DAUR PETIK TERHADAP HASIL DAN MUTU PUCUK TANAMAN TEH (Camelia sinensis (L ) O. Kuntze) PRODUKTIF KLON TRI 2024 DAN DIAGAMMA Restiandi, Dendi; Sudradjaf, ,
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 26, No 3 (1998): Buletin Agronomi
Publisher : Bogor Agricultural University

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Abstract

The experiment was conducted at Gedeh Plantation, PT Perkebunan Nusantara VII, Cianjur from January, 15th to March 25th on 1997, with the object was to evaluate the effect of plucking cycle on the yield and quality of TRI 2024 and Diagamma clones. The experiment was arranged in split plot design, shoot as the main plots were two clones of TRI 2024 (K1) and Diagamma (K2), and the sub plots were of levels plucking cycle : 0 (D1), 6 (D2), and 9 (D3) days.             The result showed that 0 day plucking cycle has the highest shoot quality, as indicated by cumulative number of shoot and shoot analysis. Diagamma clone showed better shoot quality than TRI 2024 clone. The highest shoot quality was obtained from 0 day plucking cycle on Diagamma clone.
PENGUJIAN CEPAT VIADILITAS DENIH PINUS (Pinus merkusii) DENGAN KONTRAS RADIOGRAPHY Barlian, Jan; Rinawan, Decky; Nurhasybi, ,
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 26, No 3 (1998): Buletin Agronomi
Publisher : Bogor Agricultural University

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Abstract

The objective of the research was to determine the best chemical for radiography contras test of pines seed viability and the key for interpretation of pines seed viability. The experiment was conducted at Seed Technology Laboratory of Forestry, Bogor from February until May 1994.           The result found the best radiography test for the pine seed with parameters for X-ray as follows, (KVp) 14 K volt voltage, (mA) 5.5 A, length of radiation (et) for 12 second, distance of focus film to object (FFD) by 25 cm, and film placed (OFD) directly above the X-ray film.           Contrast chemical BaCl2 decrease the seed viability at concentration of 30 % and soaking time for 30 minutes. Both KI and NaI decrease the viability at 10% and soaking time of 45 and 15 minutes, consequtively. Contrast chemical effectively interprete the viable and non viable seed at 10% concentration.           Viable seeds have complete structure, did not absorb the chemicals and the physical damage was less than 25% of the seed space. Non viable seeds did not have a complete structure, absorbed the chemicals and physical damage was more than 25% of the seed space
PENGARUH CARA DAN SIKLUS PETIK TERHADAP PRODUKSI DAN MUTU PUCUK TANAMAN THE (Camellia sinensis (L.) O. Kuntze) PRODUKTIF KLON RANCA BOLANG (RB) 3. Wachjar, Ade; Supiyatno, ,; Damayanty, Grace Prilensia
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 26, No 3 (1998): Buletin Agronomi
Publisher : Bogor Agricultural University

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Abstract

The objective of this experiment was to evaluate the effect of plucking method and cycle on shoot production and quality tea. The experiment was conducted at Gedeh Plantation, PTPN VIII, Cianjur, West Java from February to April 1997. The experiment was arranged in Randomized Block Design with 3 replications. The First factor was plucking method, consisted of hand plucking and scissor plucking. The second factor was cycle consisted of 3 levels: 3, 6, and 9 days. The result releaved that scissor plucking gave better production and better quality than hand plucking method, 9 days plucking cycle gave better production than 3 and 6 days plucking cycle, however 3 days plucking cycle gave better quality than 6 and 9 days plucking cycle. The highest production was obtained by combinations of 3 days plucking cycle with hand plucking
PENGARUH PUPUK BORON (B) DAN SENG (Zn) TERHADAP LAYU PENTIL DAN BUAH KAKAO (Theobroma cacao L.) YANG DAPAT DIPANEN Kurniawati, Ani; Wachjar, Ade; Sinaga, Anita Th.
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 26, No 3 (1998): Buletin Agronomi
Publisher : Bogor Agricultural University

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Abstract

The experiment was aimed to study the effect of B and Zn on Cherelle Wilt and cacao production. The experiment was conducted at Rajamandala Plantation from March to September 1997.           Randomized Complete Block Design was used in this experiment with two factor and three replications. The first factor was 4 levels concentration of B fertilizer : 0 ppm Borax (BO), 3350 ppm Borax (B1), 6700 ppm Borax (B2), and 10050 ppm Borax (B3). The second factor was 4 levels concentration of Zn fertilizer : 0 ppm ZnSO4 (S0), 1250 ppm ZnSO4 (S0), 2500 ppm ZnSO4 (S0), and 3750 ppm ZnSO4 (S0).           The result showed that B fertilizer decrease the cumulative numbers of new cherelle, cherelle wilt, good cherelle, and cacao production. Zn fertilizer did not influence all of the parameters. Interaction of B and Zn fertilizer increase the cumulative number of new cherelle and decrease the cumulative numbers of cherelle wilt.

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