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All Journal Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy)
Sri Setyati Harjadi
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Agriculture, Biological Sciences & Forestry Economics, Econometrics & Finance

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PENJARANGAN BUAH ANGGUR "BS-6" DENGAN PEMETIKAN BUAH DAN PEMOTONGAN TANDAN Widodo, Winarso D.; Harjadi, Sri Setyati; Wattimena, G. A.; Mattjik, A. A.
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 22 No. 2 (1994): 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 (1476.524 KB) | DOI: 10.24831/jai.v22i2.1639

Abstract

An experiment consists of two separated trial sets had been carried out at Probolinggo, East Java to study of manual thinning on berry cluster of "BS-6" grape by berry removal and cluster tipping. Berry thinning severities that were investigated consists of berry-removing and cluster tipping, each applied control, 20%, 40% and 60% thinning treatments at 7 or 14 days after anthesis. Berry removal did not influence to berry density but increased large-berry proportion and juice quality; since cluster tipping increased berry density, berry size and berry uniformity. Manual thinning at 7 days after anthesis gave better effect than at 14 days after anthesis
Application of Filter Cake on Growth of Upland Sugarcanes Purwono, ,; Sopandie, Didy; Harjadi, Sri Setyati; Mulyanto, Budi
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 39 No. 2 (2011): Jurnal Agronomi Indonesia
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 (229.246 KB) | DOI: 10.24831/jai.v39i2.13197

Abstract

Recently planting site of sugarcane was shifted from lowland to upland area. Sugar cane cultivation in upland has many constraints, especially limited water supply and low nutrition availability. The objectives of this research were to study the influence of application of composted filter cake on growth and water use efficiency of upland sugar cane. The research was conducted in Jengkol, Kediri. Treatments consist of three factors: frequency of irrigation (once every 1 week, once every 2 weeks, and once every 3 weeks); sugarcane varieties (PS-862 and PS-864); and compost doses (0, 2.5, 5, and 7.5 ton ha-1). Split plot design with three replications was used in each irrigation treatment, using composted filter cake as main plots and sugarcane varieties as sub plots. The results showed that the highest sugar content was reached at application of 5 ton ha-1 compost and the greatest crystal sugar was reached at 3.09 ton ha-1 compost. Compost application at 5 ton ha-1 on each planted row can reduce frequency of irrigation from once a week to once every 2 weeks.
Co-Authors , Purwono A. A. Mattjik Budi Mulyanto Didy Sopandie G. A. Wattimena Winarso D. Widodo