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All Journal Journal of Tropical Life Science : International Journal of Theoretical, Experimental, and Applied Life Sciences Agrivet
Virgawati, Sari
Universitas Pembangunan Nasional Veteran Yogyakarta
Agriculture, Biological Sciences & Forestry Environmental Science

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The assessment of land exploitation by enumerating microbial population: Case study in several locations at Dieng Plateau Sumarsih, Sri; Virgawati, Sari
Journal of Tropical Life Science Vol 3, No 3 (2013)
Publisher : Journal of Tropical Life Science

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Abstract

Agricultural intensification program in Indonesia which is carried out by using high yield variety, high chemicals use and soil disturbances tends to trigger land exploitation. Land exploitation, performed without considering the lands capability can generate degradations on the land itself. Various methods have been used to determine land exploitation level, including evaluation of soil microbe resources as on soil component. This research is aimed to assess land exploitation level, based on the amount of microbial population. The result of this research is expected to add the soil quality standard criteria. In the case study performed in Dieng plateau, representative soil sampling method was used. The amount of microbial population can be enumerated using plating and MPN method. Based on nutrient availability to indicate the soil biological characteristics, the soil under the trees, shrub, and Colocasia were classified as “below normal”, and the soil under the grass, tobacco, cabbage and potato were classified as normal. It shows that the land exploitation at the agricultural soils were still in the range of its land capability.
ARABICA AND ROBUSTA COFFEE PRODUCTION IN DIFFERENT GROWING ENVIRONMENTS ON THE SLOPES of MOUNT ARJUNA MALANG Ari Wijayani; Sari Virgawati; Ninik Probosari
Jurnal Agrivet Vol 27, No 2 (2021): AGRIVET
Publisher : UNIVERSITAS PEMBANGUNAN NASIONAL ”VETERAN” YOGYAKARTA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31315/agrivet.v27i2.5654

Abstract

The area on the slopes of Mount Arjuna that has the potential to be developed as a center for Arjuna coffee is Toyomarto, which is located in Singosari District, Malang Regency at an altitude of 700-1400 meters above sea level. The types of coffee produced from the Toyomarto, Singosari plantations are Arabica and Robusta. The characteristics of the coffee have a sweet-sour character and a fruity aroma such as bananas, apples, and so on. The problem, in the field, shows that the low quality of coffee is due to the absence of standard methods of cultivation and post-harvest handling. At different altitudes, it shows differences in coffee production as well. The average productivity of Arabica coffee at an altitude of 1100 m above sea level is 55.97 tons, significantly different from coffee cultivated at an altitude below 1000 m above sea level. Meanwhile, Robusta coffee production is not significantly different at all altitudes where it is cultivated.
Co-Authors Ari Wijayani Ninik Probosari Sri Sumarsih