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Teknik Rekayasa Pemadatan Kayu II : Sifat Fisik dan Mekanik Kayu Agatis (Agathis lorantifolia Salisb.) Terpadatkan dalam Konstruksi Bangunan Kayu Hermantoro .; B. I. Setiawan; S. Hardjoamidjojo; M. H. Bintoro
Jurnal Keteknikan Pertanian Vol. 17 No. 1 (2003): Buletin Keteknikan Pertanian
Publisher : PERTETA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19028/jtep.017.1.%p

Abstract

The successful application of pitcher irrigation system has motivated to investigate the pitcher as a fetigation system. The experiment was conducted at Leuwikopo Experiment Station, Agricultural Engineering Departemen, Bogor Agricultural University. The main objective of this study is to study the effectiveness of pitcher fertigation system on bushes pepper crops. The result shows that the pitcher wall is capable to release NPK solution. Diffusion rate of fertilizer solution was measured as affected by the concentration inside and outside of the pitcher. The soil moisture distribution in the soil is sufficient to transfor the solution available for crops development. Concentration of Phosphate (P) and Potassium (K) decrease laterally and the Nitrogen (N) tends to accumulate homogeneously in moist part around the pitcher.
Pengaruh Sistem Irigasi terhadap Produksi dan Kualitas Organoleptik Tembakau Sulistyono, Eko; Sudradjat, ,; Bintoro, M. H.; Irianto, Gatot
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 34 No. 3 (2006): 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 (53.897 KB) | DOI: 10.24831/jai.v34i3.1297

Abstract

The objective of this research was to study the effect of irrigation system on production and organoleptic quality of tobacco. The treatments were conventional irrigation, drip irrigation with mulch and drip irrigation without mulch.  Conventional irrigation was the irrigation system that was usually applied by farmer.  Plastic pipe was used for conveying water from water resource to field, and the irrigation was given twice a week. Drip irrigation was given once in two days. Drip irrigation with mulch resulted higher sun cured leaf weight and water used efficiency than conventional irrigation, but it was not significantly different compared with drip irrigation without mulch.  Drip irrigation without mulch resulted 5.505 ton/ha of sun cured leaf and water use efficiency as much as 3.4 g of sun cured leaf/kg of water.  Organoleptic quality resulted by three irrigation systems were mild to medium, fairly smooth and low irritant.   Key words :  Drip irrigation, mulch, water use efficiency, organoleptic quality, tobacco  
PENGARUH KONSENTRASI DAN SELANG WAKTU PEMBERIAN PUPUK DAUN AGROKING 2000 TERHADAP PERTUMBUHAN SETEK TEH TRI 2025 (Camellia sinensis (L). O. Kuantze). Bintoro, M. H.; Herdiana, Yudi; Dalimunthe, Salwa L.
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 (686.709 KB) | DOI: 10.24831/jai.v22i2.1642

Abstract

This experiment was carried out at Gambung Experimental Station from January till June 1993. The objective of this experiment was to study the effect of Agro King 2000 concentration compare with Gemari 2 ml L-1 and intervals application on tea cutting node growth. The experiment was arranged in Factorial Randomized Block Design. It consisted of two factors and three replications. The first factor was Agro King 2000 concentrations 1 ml L -1, 2 mL -1, 3 ml L -1 , 4 ml L-1, and 2 ml Gemari L-1 as control. The  second factor was Gemari and Agro King interval applications at 2, 3 and 4 weeks application.  . Interval application treatments and various concentrations of Agro King 2000 and Gemari and the interaction of both treatments did not significantly affect on all tea cutting node growth variables. It means Gemari and Agro King can be used for tea cutting node. This experiment suggested that 2 mIL-1  Gemari or 1 miL-1 Agro King2000 for every 4 weeks could be used for tea cutting node.