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Kota banjarmasin,
Kalimantan selatan
INDONESIA
Agroscientiae
Published by Universitas Lambung Mangkurat
ISSN : 08542333     EISSN : -     DOI : -
Core Subject :
Arjuna Subject : -
Articles 2 Documents
 1 
Search results for , issue " Vol 21, No 1 (2014)" : 2 Documents clear
FORCE ANALYSIS OF THE OPERATIONAL TAJAK BEDANDAN AS A BASIS FOR THE DEVELOPMENT OF LOCAL AGRICULTURAL MACHINERY Dewi, Indya; Rahmi, Alia; Hardarani, Nofia
Agroscientiae Vol 21, No 1 (2014)
Publisher : Agroscientiae

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Abstract

Tajak that has been used for hundreds of years by traditional local farmers in South Kalimantan has shown its excellence. It is the appropriate tool to be used on agricultural land that has a typology of swamp land. The difficulty of the operation, the amount of power needed to operate and a decline in interest in the younger generation to work in agriculture demanded a call for this tool under research for improvement. By analyzing the forces acting on tajak, its operational principles will be obtained. This information is useful as a reference for the procedure of t ools utilization in swamp land preparation accordingly with the local wisdom. It may promote a correct tajak operation procedure, hence reducing the workload and the number of occupational accidents, and also important in designing an ergonomic, effective and efficient tajak. In the long run, this research is expected to be the basis for developing tajak as local knowledge -based agricultural machinery of the Banjarese society in South Kalimantan. The research was conducted following these steps:site selection, land preparation, operator selection, data recording and data processing/analysis. The result showed that the pattern of tajak operational motion is uniform, with the cutting direction to the left and theoperator’s left hand plays an important role a s the ‘rudder’. Tajak mass and the lift angle affect the magnitude of force acting on tajak with the maximum force at the minimum axial force. The maximum force experienced by tajak is at the shaft end and decreases toward the eye.
SEED VIABILITY OF SOME LOCAL RICE VARITIES OF SOUTH KALIMANTAN TIDAL SWAMP THAT WERE IRRADIATED BY GAMMA RAY Wahdah, Raihani; Zulhidiani, Rahmi
Agroscientiae Vol 21, No 1 (2014)
Publisher : Agroscientiae

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Abstract

The increasing of base population variability can be done by induction of physical mutation by gamma ray. The objective of this research was to know responses of seed viability of some local rice varieties of South Kalimantan tidal swamp that were irradiate d by gamma ray. The experiment was carried out in Plant Physiology Laboratory, Agriculture Faculty, Lambung Mangkurat University based on Factorial Randomized Block Design, namely 7 (varietas) x 4 (doses) x 2 (replication). The observation were done on seed germination, seed growth uniformity, plumula lenght of strong normal seedling, root lenght of strong normal seedling, dry weight of normal seedling, and speed of seed germination. Data were analized by F -tes (Anova). If interaction or single factor were significant, so continued by LSD (Least Significant Difference) weren’t equal. Seed germination, seed growth uniformity, and speed of seed ger mination of Siam Unus Kuning Variety (7) wasn’t affected by dose of irradiation of gamma ray. The effect of gamma ray on some doses on each varieties have decreased seed viability. The worst performance for all variable were in highest dose, namely 30 krad 

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