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All Journal Agrotrop : Journal on Agriculture Science Journal of Sustainable Development Science Jurnal Ekonomi, Manajemen, Akuntansi
Dewa Ayu Ari Febriyanti
Department Faculty Of Agriculture And Business ,Dwijendra University, Denpasar, Indonesia
Agriculture, Biological Sciences & Forestry Economics, Econometrics & Finance Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Social Sciences

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Respons Pertumbuhan Bibit Salak (Salacca edulis L.) terhadap Dosis Spora Endomikoriza pada Media Pembawa Pasir Vulkanik dan Pasir Laut DEWA AYU ARI FEBRIYANTI; I WAYAN WIRAATMAJA; I KETUT SUADA
Agrotrop : Journal on Agriculture Science Vol 10 No 2 (2020)
Publisher : Fakultas Pertanian Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/AJoAS.2020.v10.i02.p04

Abstract

Response of Salak Seedling (Salacca edulis L.) Growth to Endomycorrhizal Spore Doses on Volcanic Sand and Sea Sand Carrier. Endomycorrhizae has several benefits, such as increase water absorption and nutrients of plant, protect plants from root pathogens and toxic substances, play a role in improving soil structure, and increase nutrient solubility. This study aimed to determine the growth response of salak seedlings to doses of endomycorrhizal spores in media carrying volcanic sand and sea sand. This study used a factorial randomized block design (RBD) with two treatments i.e. the number of spores and the type of carriers media. The results showed no significant interaction between the number of mycorrhizal spores doses with the carrier media on all observed variables. Spores doses significantly affected stem diameter and root mycorrhizal infection variables. The highest stem diameter was achieved at the dose of 75 spores that was 1.60 cm which was significantly different from control (1.28 cm), whereas the highest root infection was obtained at the dose of 225 spores (92.50%) which significantly higher than control (36.25%). At the observation of 4 MAP (month after planting) the highest root infection was obtained at the dose of 150 spores (82.50%) compared to control (10.00%). Volcanic sand carrier media produced the highest plant dry weight (3.59 g) which was significantly different to the sea sand (2.43 g).
Characteristics and Agronomic Efficiency of Fertilizer Urea Granules- Acidic Coated Bamboo Biochar Acrylate on Plant Onion Red (Allium ascaloniucm L.) I Kadek Ekadana; Dewa Ayu Ari Febriyanti
Journal of Sustainable Development Science Vol 5 No 2 (2023)
Publisher : Universitas Dwijendra Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46650/jsds.5.2.1501.56-63

Abstract

The use of urea-biochar granular fertilizer is intended to overcome the problem of inefficiency in the excessive use of urea fertilizer. The efficiency of urea is relatively low because 40-70% of N is lost from the soil. The purpose of this study was to determine the agronomic efficiency of acrylic acid-coated bamboo urea-biochar fertilizer on shallot plants. The research was conducted in the greenhouse of UPT Plant Pest and Disease Control Center in Celuk Sukawati Gianyar Village, and in the Laboratory of Soil and Environmental Sciences, Faculty of Agriculture, Udayana University, arranged in a Completely Randomized Design with a single factor consisting of 9 treatments and repeated 3 times. Parameters observed were plant growth yields (height, weight of tubers and fresh litter, weight of tubers and oven-dried litter, number of tillers), fertilizer agronomic efficiency. The results showed that the S30 treatment significantly increased the shallot plant height by 43.67 cm, the weight of the oven-dried bulbs by19.68 g and the RAE value by 362%, so that fertilization with the S30 treatment was the most efficient compared to other treatments and could be used by farmers in increasing the growth and yield of shallot plants.
Efisiensi Agronomi Pupuk Granul Urea-Biochar Bambu Berselaput Arabic Gum Pada Pertumbuhan Tanaman Bawang Merah (Allium ascaloniucm L.) Dewa Ayu Ari Febriyanti; Luh Anggreni Dewi
EKOMA : Jurnal Ekonomi, Manajemen, Akuntansi Vol. 3 No. 3: Maret 2024
Publisher : CV. Ulil Albab Corp

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56799/ekoma.v3i3.3030

Abstract

Excessive application of urea fertilizer to shallots will have a negative impact on the environment and environmental pollution because a lot of N is lost from the plants. The loss of fertilizer nitrogen from the soil occurs through the leaching process. The way to increase the effectiveness of fertilizer use is to modify the fertilizer so that it forms a slow release fertilizer. The use of biochar as an environmentally friendly organic material as a carrier for slow release urea fertilizer has great potential because it is easy to obtain and easy to make. Biochar is a carbon-rich product obtained by heating biomass in low or oxygen-free conditions. The research was carried out in the greenhouse of the UPT Center for Pest and Plant Disease Control, Celuk Sukawati Village, Gianyar, this research was arranged in a Completely Randomized Design with a single factor consisting of 9 treatments and repeated 3 times. The research results showed that plant height showed the highest value in the M25 treatment and the highest RAE value was in the M25 treatment, namely 374%, indicating a higher value compared to the recommended standard fertilizer treatment (U1B0). Further research is needed regarding the formulation of the composition for making Arabic gum-coated granule fertilizer.
Co-Authors I Kadek Ekadana I Ketut Suada I WAYAN WIRAATMAJA Luh Anggreni Dewi