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 5 Documents
Search results for , issue " Vol 23, No 2 (1995): Buletin Agronomi" : 5 Documents clear
PENGARUH DOSIS NITROGEN DAN KALIUM TERHADAP PRODUKSI DAN MUTU TEMBAKAU TEMANGGUNG PADA TUMPANG SISIP KUBIS - TEMBAKAU DI PUJON MALANG Wiroatmodjo, Joedojono; Najib, M.
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 23, No 2 (1995): Buletin Agronomi
Publisher : Bogor Agricultural University

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Abstract

The experiment were carried out to determine the effect of N and K on growth, yield and quality of Temanggung tobacco grown intercropped with cabbage at Pujon, Malang. The factorial design with randomized block in five replications were used. Cabbage were planted from February-May, 1992 where as tobacco intercropped in April-September 1993. Three levels of nitrogen from Ammonium Sulphate namely 30 kg N/ha (N1), 60 (N2) and 90 kg N/ha (N3), while Potassium from Potassium Sulphate of 0, 50 and 100 kg K2O/ha were the treatment. Cabbage were fertilization at the rate of 390 kg N/ha and 780 kg P2O5/ha without K fertilization. The first tobacco fertilizations were done at a day after cabbage harvest when tobacco at 16 days old, the half dosages of N and full dosages of K were applied. Other half of N were applied when tobacco at 30 days old. The nitrogen did increase top leaf length, 10 leaf width, fresh yield and N content of Temanggung tobacco of variety of Genjah Kemloko. The potassium did increase quality index and crop index significantly. The N and K interactions is likewise influenced significantly the quality and crop indexes. The maximum leaf length and leaf width were obtained from 90 kg N/ha treatment, whereas highest quality and crop indexes obtained from 30 kg N/ha (N1) and 100 kg K2O/ha (K1) treatments. Highest N content of 3.707% were detected from 90 kg N/ha treatments.
BUDIDAYA TEBU PADA LAHAN KERING BERIKLIM BASAH SUATU USAHA UNTUK MEMPRODUKSI ALTERNATIF PEMANIS SUDIATSO, SUGENG
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 23, No 2 (1995): Buletin Agronomi
Publisher : Bogor Agricultural University

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Abstract

The trials of cultivation of sugar cane on wet climate of rainfed area was carried out at Bogor (belong to climattic A according to Schmidt and Fergusson, 1957) from 1991 to 1996. The aim of the experiments to get the cultivation varieties of sugar cane which has high total sugar content after 6 months, either plant cane or the first rattooned. Several cultivars of PS87, produced by P3GI, were tested. The experiment consisted of plant density, date of planting kind of cultivar and level of potassium fertilizers. The result showed that the PS87-22704 cultivar and PS58 variety (as a control) produced the high total-sugar content (15.64% and 15.89%).
PEMILIHAN BAHAN PEMULIAAN PADI UNTUK PEMBENTUKAN VARIETAS UNGGUL DISKRIMINATIF TUMPANGSARI: PADI + JAGUNG + UBIKAYU DI LAHAN KERING. I. HASIL TANAMAN PADI Bari, Abdul; Harahap, Zainuddin; Sudiatso, S.; Anwar, Khairil
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 23, No 2 (1995): Buletin Agronomi
Publisher : Bogor Agricultural University

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Abstract

Intercropping of Maize, Rice and Cassava is commonly practiced by subsistent farmers on upland agriculture in Indonesia. In general, grain yield of rice under intercropping is very much lower than under monoculture crop. This due to the fact that the variety of rice planted under intercrop was breed and selected under elite, monoculture crop condition. Field experiment to screen rice breeding materials planted in association with maize and cassava were carried out in Pekalongan (Lampung), October 1993 - November 1994. Three out of 29 entries of rice were selected, EO2 (B6136-Tb-0-1-5), E20 (Tb47h-Mr-17) and E22 (Tb154c-Tb-1). Performance test on grain yield relative stability for selected materials have to be done, before practicing any form of improvement by means of selection.
EFFECT OF SILICATE ON THE GROWTH AND ION UPTAKE IN NaCI-TRESSED PLANTS Sopandie, Didy; Moritsugu, Masumi; Kawasaki, Toshio
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 23, No 2 (1995): Buletin Agronomi
Publisher : Bogor Agricultural University

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Abstract

The purpose of this experiment was to investigate the effect of Si on the growth and ions uptake (K, Na, Ca, and Mg) in rice, bean and barley plants grown in saline conditions. Rice and bean plants were subjected to 0 and 30 mM NaCI in the nutrient solution with and without Si, whilst for barley plants 0 and 40 mM NaCI were used. In this investigation, 2.0 mM Si was used as silicilic acid. The results revealed that Si had the protective effect on salt injury only for rice plants. This alleviating effect of Si appeared to be associated with the interference of Si on the upward Na transport by reducing the content of Na in the shoots and retaining it in the roots. Generally, addition of Si did not affect the content of K in all plants tested. Except for rice, Si had no or less effect on Ca and Mg uptake in bean and barley plants.
FISIOLOGI DAYA ADAPTASI KEDELAI (Glycine max (L.) Merr.) TERHADAP CEKAMAN pH RENDAH DENGAN Al TINGGI Supijatno, ,; Sopandie, D.; Jusuf, M.; Harran, S.
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 23, No 2 (1995): Buletin Agronomi
Publisher : Bogor Agricultural University

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Abstract

Two AI-tolerant genotypes (KB 44001 and Genjah Jepang) and two AI-sensitive genotypes of soybean (Kedelai Lumut and KB 46015) were subjected to Al concentration (1.50 mM Al with pH 4.0) in hydroculture for 3 weeks; the growth and their physiological responses were identified by measuring the changes of pH media, NO3ˉ /NH4+ uptake, ion absorption and organic acid content in the tissues. The result revealed that Al-tolerant genotypes soybean show a much better growth than the sensitive genotypes. Moreover, the tolerant genotypes showed the different responses to Al stress; they changed the pH media more significantly, accumulated less Al in the roots and accumulated more oxalate acid than the sensitive genotypes. Both the tolerant and sensitive genotypes had similar pattern n in N03ˉ /NH4+ uptake and other cation uptake. The results suggested that tolerance of soybean genotypes to Al toxicity is associated with their ability in the exclusion AI.

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