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Journal : Journal of Applied Agricultural Science and Technology

Balinese Traditional Agroforestry as Base of Watershed Conservation I Gusti Diah Ayu Yuniti; Jhon Hardy Purba; Nanang Sasmita; Liris Lis Komara; Tomycho Olviana; I Made Kartika
Journal of Applied Agricultural Science and Technology Vol. 6 No. 1 (2022): Journal of Applied Agricultural Science and Technology
Publisher : Green Engineering Society

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (640.35 KB) | DOI: 10.55043/jaast.v6i1.54

Abstract

Forests, traditional gardens and green spaces play an important role in regulating the water flow of an area. Along with the high demand for land in Bali for agriculture and tourism, many forest areas have been converted into hotels and settlements. Forest conversion has caused many problems such as erosion, soil fertility decreased, flora fauna extinction, floods, drought, global warming and the disturbing watershed, especially rivers for springs. The purpose of this study is the development of watershed conservation in Bali based on traditional agroforestry. The method that used is vegetation analysis. Calculation of the erosion amount using the USLE formula. Sampling was done by ten plots. The results showed that traditional agroforestry vegetation consisted of vertical and horizontal structures. The characteristic of traditional agroforestry is that dominant plants are distributed irregularly, thus creating a miniature structure like a forest. The vertical structure consists of trees, horizontal structure filled with species of garden plants and agriculture. Trees have roots spread intensively in the soil and reduce nutrient leaching. Land cover by vegetation protects the soil and erosion. The agroforestry has a role as an act of soil and water conservation. Traditional agroforestry land cover has a relatively low C coefficient (0.05-0.25) compared to other lands. The level of erosion hazard is low and moderate. Average erosion value of 55.01 t.ha-1.yr-1. This indicates that traditional agroforestry makes the soil have a higher ability to absorb water, thereby reducing surface runoff. Likewise, organic material that improves the water content capacity. In addition, water quality can be improved through the humus filter function. During a long dry season, there is a drought due to low rainfall, but rivers and springs were able to supply water for the peoples daily needs. This condition occurs because of the tree retentions in traditional gardens. Conservation actions need to be taken, namely maintaining trees vegetation, increasing reforestation, bench terraces use, mounds and mulch use. This condition also places traditional agroforestry as a sustainable land management system.
Height and Diameter Measurement of Eucalyptus Urophylla in Batur Mountain Nature Tourist Forest, Indonesia I Gusti Ayu Diah Yuniti; Jhon Hardy Purba; Liris Lis Komara; Nanang Sasmita
Journal of Applied Agricultural Science and Technology Vol. 6 No. 2 (2022): Journal of Applied Agricultural Science and Technology
Publisher : Green Engineering Society

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (350.743 KB) | DOI: 10.55043/jaast.v6i2.72

Abstract

Batur Forest is a volcanic area that was an ex-volcanic eruption. Efforts to rehabilitate forests with critical land were by planting Eucalyptus urophylla. The aim of the study was to examine the adaptation of Eucalyptus urophylla species in critical areas of former volcanic eruptions that were dominated by hard rocks. The research was done for a year (2019-2020). The method used was a species test with a permanent block plot design from 4 age levels, 1 year, 5 years, 10 years, and 15 years. The study results showed growth of 1.02 cm in diameter and 1.10 m in height (1 year), 6.50 cm in diameter and 11.00 m in height (5 years), 13.25 cm in diameter and 18.40 m in height (10 years), and a diameter of 20.48 cm and a height of 23.00 m (15 years). Eucalyptus urophylla experienced the best tree diameter growth after 10 years old and on the contrary experienced a decrease in height. The Eucalyptus urophylla level of adaptation and suitability of volcanic soils with low fertility and rocky soil is a recommendation to increase the quantity of this species of planting. So that the forest succession from rocky thickets to tree vegetation is faster than natural processes. Eucalyptus urophylla species is one of the flora that makes up the savanna forest ecosystem and volcanic critical land in eastern Indonesia.
Land Suitability of Wani Fruit (Mangifera caesia) for Fruit Development in Mount Batur, Kintamani, Bali Yuniti, I Gusti Ayu Diah; Sasmita, Nanang; Purba, Jhon Hardy; Komara, Liris Lis
Journal of Applied Agricultural Science and Technology Vol. 8 No. 2 (2024): Journal of Applied Agricultural Science and Technology
Publisher : Green Engineering Society

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55043/jaast.v8i2.245

Abstract

Bali Province is one of the local mango producers, namely Wani fruit. Wani fruit (Mangifera caesia) is a local Balinese fruit that has the potential to be developed. Wani fruit production in Bali has decreased due to fewer trees in community gardens. This study aims to determine the suitability of land for wani fruit plants on the slopes of Mount Batur Kintamani. Evaluation of land based on agroecological zones includes slope, drainage, humidity and temperature. Sampling used composite sampling based on agroecological zones and data analysis using descriptive and comparative methods. The results of research on the suitability of Wani fruit land in Kintamani show three classes, namely moderately suitable (CS), marginally suitable (SM), and not suitable (TS) with the main limiting factors being slope, texture, temperature, effective depth and rainfall. Based on the results of research on the Kintamani area, Mount Batur is suitable for the development of Wani Fruit in Bali. Primarily for Horticultural and Conservation purposes for the protection of local species. Based on agroecological zones, the land area in the Kintamani Bali area that can be developed for Wani fruit plants are zones I, II and III with an area of 21,476 Ha, which is 58.53% of the area of Kintamani. The distribution of agroecological zones suitable for the development of Wani fruit in zone I and II land units is predominantly spread in residential plain areas, and land units in zone III are spread in hilly areas.
Co-Authors Anak Agung Ayu Rai Wahyuni Anak Agung Istri Ari Atu Dewi Anak Agung Ketut Sukranatha Anak Agung Rai Tirtawati Anik Yuesti Antonius Talu Aplorida Lingu Lango Aplorida Lingu Lango Apriada, I Kadek BAYU ARYA BAGASKARA Cokorda Javandira Cokorda Javandira Cokorda Javandira Dewa Gede Wiryangga Selangga Dian Tariningsih Farida Hanum Farida Hanum I Gde Agoes Caskara Surya Putra I GEDE PUTU WIRAWAN I Gede Widana I Gusti Agung Nyoman Dananjaya I Gusti Agung Nyoman Dananjaya I Kadek Widya Praptika I Ketut Suada I Ketut Sumantra I Ketut Widnyana I Made Asta Gunawan I Made Budiasa I Made Budiasa I MADE DEDY SETIAWAN . I Made Kartika I MADE SUKERTA I Made Suryana I Made Suryana I Made Tamba I Made, Budiasa I NYOMAN WIJAYA I Putu Agus Wahyu Ekantara I Putu Sujana Igo Tanggela, Astrosani Isabela Yulninsi Joshi, Ravindra Chandra Kamarudin, Ahmad Syazni Karvila Senia, Maria KETUT AYU YULIADHI Komang Dean Ananda Liris Lis Komara Listihani Listihani Listihani Listihani Listihani, Listihani Luh Nila Winarni Luh Putu Kirana Pratiwi Luh Putu Yuni Widyastuti M. P. Keraf, Fransiskus MADE SRITAMIN Magdalena Engge Marthen Lende Wara Martinus Irlan Nanang Sasmita Ni Kadek Sattvika Griyaningsih Ni Kadek Sudani Putri NI LUH WIDYASARI Ni Putu Pandawani Ni Putu Sukanteri Ni Wayan Sulastini Ni Wayan Suryathi Nyoman Yudiarini Oktaviani Nawul Oktavianus Bulu Daka Pande Komang Suparyana Peter Gellu, Leonard PRATIWI, NI PUTU EKA Purba, Jhon Hardy Putu Eka Pasmidi Ariati Putu Lakustini Cahyaningrum Putu Lasmi Yulianthi Sapanca Putu Lasmi Yulianthi Sapanca Putu Lasmi Yulianti Sapanca Putu Lasmi Yuliyanthi Sapanca Ramdhoani Ramdhoani Sanjiwani, Putu Diah Aryastuti SATRIYAS ILYAS Selangga, Dewa Gede Wiryangga Tomycho Olviana V. Feka, Gonsianus Pakaenoni, Wolfhardus VEDERIS LEUNARDUS Wilibrodus Jehada Wolfrit Matoneng, Ody Yenni Verrawati Yenny Verawati Yenny Verrawati Yenny Verrawati Yohanes Rodrian