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Saptomo, Dan Satyanto Krido - One of the best experts on this subject based on the ideXlab platform.
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Produksi Benih Kentang Sistem Aeroponik dan Root Zone Cooling dengan Pembedaan Tekanan Pompa di Dataran Rendah
'Department of Agronomy and Horticulture', 2017Co-Authors: Sumarni Eni, Sudarmaji Arief, Suhardiyanto Herry, Saptomo, Dan Satyanto KridoAbstract:ABSTRACTNutrition Pumps Pressure is important in aeroponic. Optimal Pump Pressure produces well oxygenation, so that increases the dissolved oxygen content in the nutrition. It is good for plant roots. The purpose of this study was to determine Pump Pressure on the growth and yield potato seeds grown in aeroponics in lowland 125 m asl with root zone cooling. This study used a randomized block design non factorial. Data were analyzed using analysis of variance followed by a further test of orthogonal contrasts at the level of α = 5%. Results showed that different Pump Pressure on the provision of nutrient, temperature cooling in the root zone gave different results on the number of potato tubers per plant and weight per tuber in each variety. Root zone cooling temperature 15 °C, the Pump Pressure> 1.5 atm produce highest number of tubers per plant, i.e. 11.8 tuber of Granola variety and 8.2 tuber of Atlantic variety. The was no tuber produced from control (without referigeration). The highest weights per tuber (10.35 and 5.01 g for Atlantic and Granola variety, respectively) were reached with cooling temperature at 15 °C and the Pump Pressure > 1.5 atm.Keywords: evaporative cooling, hydroponics, potato, tuber, variety
Saptomo D. S. - One of the best experts on this subject based on the ideXlab platform.
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Produksi Benih Kentang Sistem Aeroponik dan Root Zone Cooling dengan Pembedaan Tekanan Pompa di Dataran Rendah
'Bogor Agricultural University', 2016Co-Authors: Sumarni E., Sudarmaji A., Suhardiyanto H., Saptomo D. S.Abstract:Nutrition Pumps Pressure is important in aeroponic. Optimal Pump Pressure produces well oxygenation, so that increases the dissolved oxygen content in the nutrition. It is good for plant roots. The purpose of this study was to determine Pump Pressure on the growth and yield potato seeds grown in aeroponics in lowland 125 m asl with root zone cooling. This study used a randomized block design non factorial. Data were analyzed using analysis of variance followed by a further test of orthogonal contrasts at the level of α = 5%. Results showed that different Pump Pressure on the provision of nutrient, temperature cooling in the root zone gave different results on the number of potato tubers per plant and weight per tuber in each variety. Root zone cooling temperature 15 °C, the Pump Pressure> 1.5 atm produce highest number of tubers per plant, i.e. 11.8 tuber of Granola variety and 8.2 tuber of Atlantic variety. The was no tuber produced from control (without referigeration). The highest weights per tuber (10.35 and 5.01 g for Atlantic and Granola variety, respectively) were reached with cooling temperature at 15 °C and the Pump Pressure > 1.5 atm
R. J. Van De Ven - One of the best experts on this subject based on the ideXlab platform.
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Improved Design and Use of Shower and Plunge Dipping Equipment for the Eradication of Sheep Body Lice (Bovicola ovis)
2020Co-Authors: R. D. Lund, P. W. Johnson, N. S. Gould, R. J. Van De VenAbstract:ABSTRACT: Considerable evidence was available indicating that wet dipping practices were failing to eradicate lice on sheep and that ineffective wetting was believed to be a major contributory factor. To examine wetting of sheep in plunge and shower dips, a series of experiments were undertaken to investigate both the mechanical and management opportunities which might improve the efficiency and efficacy of wet dipping of sheep for the eradication of the sheep body louse Bovicola ovis. Results indicated that significant improvements could be made to both shower and plunge dipping equipment and practices which would enhance the likelihood of eradication of sheep body lice. On shower dips there was no significant difference between modified nozzle arrangements and the existing Buzacott® single slot arrangement provided the Pump Pressure was maintained at >390 kPa at a flow rate >18 l/s (nozzle Pressure >230 kPa). Pipe diameter had a substantial effect on Pressure losses. Wetting of sheep was significantly affected by their position. Wetting of the sheep in a plunge dip was significantly improved by fully immersing the sheep twice during the course of their swim. Swim length was also significant. The work has also identified a number of issues associated with pesticide residues in raw wool, concerns over pesticide concentrations in the dip wash and a number of occupational health and safety issues
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Improved Design and Use of Shower and Plunge Dipping Equipment for the Eradication of Sheep Body Lice (Bovicola ovis)
Asian-australasian Journal of Animal Sciences, 2000Co-Authors: R. D. Lund, P. W. Johnson, N. S. Gould, R. J. Van De VenAbstract:Considerable evidence was available indicating that wet dipping practices were failing to eradicate lice on sheep and that ineffective wetting was believed to be a major contributory factor. To examine wetting of sheep in plunge and shower dips, a series of experiments were undertaken to investigate both the mechanical and management opportunities which might improve the efficiency and efficacy of wet dipping of sheep for the eradication of the sheep body louse Bovicola ovis. Results indicated that significant improvements could be made to both shower and plunge dipping equipment and practices which would enhance the likelihood of eradication of sheep body lice. On shower dips there was no significant difference between modified nozzle arrangements and the existing Buzacott® single slot arrangement provided the Pump Pressure was maintained at >390 kPa at a flow rate >18 l/s (nozzle Pressure >230 kPa). Pipe diameter had a substantial effect on Pressure losses. Wetting of sheep was significantly affected by their position. Wetting of the sheep in a plunge dip was significantly improved by fully immersing the sheep twice during the course of their swim. Swim length was also significant. The work has also identified a number of issues associated with pesticide residues in raw wool, concerns over pesticide concentrations in the dip wash and a number of occupational health and safety issues. Email: roger.lund@agric.nsw.gov.au
Sumarni Eni - One of the best experts on this subject based on the ideXlab platform.
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Produksi Benih Kentang Sistem Aeroponik dan Root Zone Cooling dengan Pembedaan Tekanan Pompa di Dataran Rendah
'Department of Agronomy and Horticulture', 2017Co-Authors: Sumarni Eni, Sudarmaji Arief, Suhardiyanto Herry, Saptomo, Dan Satyanto KridoAbstract:ABSTRACTNutrition Pumps Pressure is important in aeroponic. Optimal Pump Pressure produces well oxygenation, so that increases the dissolved oxygen content in the nutrition. It is good for plant roots. The purpose of this study was to determine Pump Pressure on the growth and yield potato seeds grown in aeroponics in lowland 125 m asl with root zone cooling. This study used a randomized block design non factorial. Data were analyzed using analysis of variance followed by a further test of orthogonal contrasts at the level of α = 5%. Results showed that different Pump Pressure on the provision of nutrient, temperature cooling in the root zone gave different results on the number of potato tubers per plant and weight per tuber in each variety. Root zone cooling temperature 15 °C, the Pump Pressure> 1.5 atm produce highest number of tubers per plant, i.e. 11.8 tuber of Granola variety and 8.2 tuber of Atlantic variety. The was no tuber produced from control (without referigeration). The highest weights per tuber (10.35 and 5.01 g for Atlantic and Granola variety, respectively) were reached with cooling temperature at 15 °C and the Pump Pressure > 1.5 atm.Keywords: evaporative cooling, hydroponics, potato, tuber, variety
Sumarni E. - One of the best experts on this subject based on the ideXlab platform.
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Produksi Benih Kentang Sistem Aeroponik dan Root Zone Cooling dengan Pembedaan Tekanan Pompa di Dataran Rendah
'Bogor Agricultural University', 2016Co-Authors: Sumarni E., Sudarmaji A., Suhardiyanto H., Saptomo D. S.Abstract:Nutrition Pumps Pressure is important in aeroponic. Optimal Pump Pressure produces well oxygenation, so that increases the dissolved oxygen content in the nutrition. It is good for plant roots. The purpose of this study was to determine Pump Pressure on the growth and yield potato seeds grown in aeroponics in lowland 125 m asl with root zone cooling. This study used a randomized block design non factorial. Data were analyzed using analysis of variance followed by a further test of orthogonal contrasts at the level of α = 5%. Results showed that different Pump Pressure on the provision of nutrient, temperature cooling in the root zone gave different results on the number of potato tubers per plant and weight per tuber in each variety. Root zone cooling temperature 15 °C, the Pump Pressure> 1.5 atm produce highest number of tubers per plant, i.e. 11.8 tuber of Granola variety and 8.2 tuber of Atlantic variety. The was no tuber produced from control (without referigeration). The highest weights per tuber (10.35 and 5.01 g for Atlantic and Granola variety, respectively) were reached with cooling temperature at 15 °C and the Pump Pressure > 1.5 atm
