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Maria Viva Rini
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Jl. Raya Negara Km.7 Tanjung Pati 26271, Kecamatan Harau, Kabupaten Limapuluh Kota, Provinsi Sumatera Barat, Indonesia
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Journal of Applied Agricultural Science and Technology
Published by Green Engineering Society
ISSN : 26214709     EISSN : 26212528     DOI : https://www.jaast.org/index.php/jaast/article/view
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Journal of Applied Agricultural Science and Technology (JAAST) is an international journal, focuses on applied agricultural science and applied agricultural technology in particular: agricultural mechanization, food sciences, food technology, agricultural information technology, agricultural economics, agricultural statistics, bioinformatics, farm structure, farm power, agricultural machinery, irrigation and drainage, land and water resources engineering, renewable energy, environment, crop production, and crop protection.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Agronomi dan Ilmu Tanaman
Articles 6 Documents
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Search results for , issue "Vol. 7 No. 1 (2023): Journal of Applied Agricultural Science and Technology" : 6 Documents clear
Biology of Tetrastichus brontispae (Ferriere) (Hymenoptera: Eulophidae), the Coconut Leaf Beetle Parasitoid Zahlul Ikhsan; Hidrayani Hidrayani; Yaherwandi Yaherwandi; Aulia Oktavia
Journal of Applied Agricultural Science and Technology Vol. 7 No. 1 (2023): Journal of Applied Agricultural Science and Technology
Publisher : Green Engineering Society

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (421.487 KB) | DOI: 10.55043/jaast.v7i1.61

Abstract

Biological control using parasitoids should be carried out to reduce the population of Brontispa longissima without pesticides. Tetrastichus brontispae is a larva-pupa parasitoid and is a gregarious parasitoid. Many factors can influence the biology of the parasitoid, which consists of biotic and abiotic factors. The existence of a host is one of the biotic factors that influence the life of parasitoids. The aim of the study was to study various biological parameters of the T. brontispae parasitoid which included the shape, size, color and length of each egg, larva, pupa, and imago stages as well as personality, sex ratio and number of hosts parasitized by female T. brontispae imago. The research was carried out in the form of an experiment using a completely randomized design. Experiments for biological observations of female T. brontispae parasitoids consisted of 4 treatments and 10 replications. The period of development, offspring, and sex ratio of the parasitoid Tetrastichus brontispae were studied using young pupa Brontispa longissima as hosts. Maintenance is carried out by inserting the parasitized larvae or pupa into the test tube provided. T. brontispae is a gregarious endoparasitoid. The development period from egg to imago is 18.95 ± 0.75 days. The length of life of the imago was significantly different between females (9.7 ± 0.51 days) and males (4.5 ± 0.52 days)—honey in increasing lifespan and enhancing T. brontispae offspring. The offspring of a female is 17.50 ± 1.08, with a female proportion of 60.12%. Imago T. brontispae fed honey had a longer and higher actual life span than without honey. Apart from the honey feed, the presence of a host can also affect T. brontispae.
Relationship of Tree Architecture on Canopy Throughfall and Stem Flow in The Upstream of Batang Mahat River Basin Lima Puluh Kota Regency Indonesia Reni Ekawaty; Yonariza Yonariza; Eri Gas Ekaputra; Ardinis Arbain; Rusnam Rusnam
Journal of Applied Agricultural Science and Technology Vol. 7 No. 1 (2023): 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.v7i1.85

Abstract

A study about the effect of tree architecture on canopy throughfall and stem flow was conducted upstream of Batang Mahat River Basin, Lima Puluh Kota Regency, West Sumatra, Indonesia. Four dominant tree species in the location, Voacanga foetida, Guioa sp, Schima wallichii and Rhodoleia champonii, were selected and represented in architecture by Scarrone, Schoute, Rauh and Leeuwenberg, respectively. Furthermore, the sample was three trees of each species. The throughfall canopy was measured using a 1 x 1 m plastic plot placed at the edge, while the stem flow was calculated by two meters plastic tube with a five-litre tank at the bottom. These data were collected eight times over one month. The study aimed to the analyzed relationship between tree architecture and canopy throughfall and stem flow upstream of the Batang Mahat River Basin. The result showed that Schima wallichii differed significantly in throughfall canopy relative to the other three species. Additionally, V. foetida significantly differed in stem flow compared to the other tree species. There was no correlation between throughfall canopy, stem flow and precipitation, but the two parameters were affected by three architectures. These findings are useful for soil and water conservation in the upper Mahat River Basin.
Environmental-Economic Analysis of Portable Mixed-Mode Greenhouse Dryer for Fig Leaves Wan Nurlaila Mat Desa; Surya Dailiati; Hernimawati Hernimawati; Mulianti Mulianti; Hasna Rifdah Khairunnisa; Faisal Mahfud; Haznan Abimanyu; Ahmad Fudholi
Journal of Applied Agricultural Science and Technology Vol. 7 No. 1 (2023): 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.v7i1.113

Abstract

Energy and environomical analysis play important role in designing a solar thermal drying system as these analyses identify the high energy-consuming area, formulate energy-saving measures and evaluate the size of any potential savings. In this study, a greenhouse solar dryer with a double-pass multi-hollow collector for leaf drying was evaluated using environmental-economic analysis. Environmental analysis includes the determination of embodied energy, energy payback time (EPBT) period, as well as CO2 emissions per year, carbon mitigation and carbon credit. The embodied energy of a passive dryer is 606.86 kWh and EPBT of 16.68 years, while for an active dryer, the values are determined at 636.17 kWh and 10.39 years, respectively. CO2 emission for the passive dryer is 47.17 kg per year, net CO2 mitigation of 124.6 kg, and earned carbon credit of RM 2.58 – RM 12.38. The active dryer has CO2 emission of 47.14 kg, net CO2 mitigation of 594 kg, and earned carbon credit of RM 51.95 – RM 247.66. Economic analysis of this dryer shows that the energy cost associated with its operation ranges from RM 1.59 to RM 4.77, monthly.
The Importance of Stem Borer, Apomecyna saltator Fabricius (Coleoptera: Cerambycidae) in Honey Pumpkin Plants (Cucurbita moschata Dusch) Fheny Rama Shen Thaury; Wilyus Wilyus; Novalina Novalina
Journal of Applied Agricultural Science and Technology Vol. 7 No. 1 (2023): 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.v7i1.120

Abstract

Currently, honey pumpkin plants are widely looked at and are in great demand for cultivation. Honey pumpkin production is in great demand with a relatively high price and can be stored for a relatively long time. Apomecyna saltator Fabricius (Coleoptera: Cerambycidae) as a pest of honey pumpkin in Indonesia is something that has been just known. The study about A. saltator on honey pumpkin is limited.  This research was conducted to determine: the relationship between honey pumpkin plant phenology and investment of A. saltator; the effect of A. saltator infested to plant age, the length of productive period and production of honey pumpkin plants; and the importance of A. saltator on honey pumpkin plants. The study was designed with 2 treatments, namely A (honey pumpkin plants that were left exposed to A. saltator obtained by planting honey pumpkins in areas endemic to A. saltator) and B (honey pumpkin plants that were not attacked by A. saltator obtained by wrapping the honey pumpkin plant stems using plastic wrap from the base of the stem which was applied from 7 days after planting and continued every day in line with plant growth until the wrapped stems were 1.5 m long). The treatments were in five replications. Observation variables include; plant phenology, symptoms of A. saltator attack, age, length of productive period, and production of honey pumpkin plants. The research shows that A. saltator investment in honey pumpkin plants occurs from the vegetative phase when the plant is 2-3 weeks old until the final generative phase (fruit ripening). The attack of A. saltator had a significant effect on reducing age, length of productive period and production of honey pumpkin plants. Based on the pest economic meaning, A. saltator is classified as an important pest of honey pumpkin plants.
Soil Tillage Affected Weed Community and The Growth and Yield of Soybean for Edamame Production Irawati Chaniago; Aswaldi Anwar; Rahmi Azhari
Journal of Applied Agricultural Science and Technology Vol. 7 No. 1 (2023): 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.v7i1.131

Abstract

Edamame has been known as a vegetable soybean that is highly nutritious and has become popular in Indonesia. As for other crops, soybean cannot avoid the presence of weedy plants in the field. The study reported here aimed at determining the effect of tillage on weed and the growth and yield of soybean for edamame production. A randomized completely block design (RCBD) with three repetitions was used for the three tillage systems (zero, reduced, and conventional tillage). Data of soybean growth and yield component were collected and analysed with analysis of variance and mean separation of DNMRT at 5% level. Results show that most growth and yield parameter components (plant height, number of primary branches, number of leaves, number of pods per plant, pod weight per plant, number of seeds per plant, and yield) were highest in favor of reduced tillage system. The highest yield of edamame soybean (13.50 ton ha-1) was observed in the treatment group of reduced tillage and the effect was similar to that of conventional tillage (13.29 ton ha-1). Reduced and conventional tillage resulted in the emergence of new weed species such as Digitaria sanguinalis and Synedrella nodiflora with the total SDR value for all treatment groups of 54.38% and 37.74%, respectively. In contrast, the application of herbicide glyphosate prior to land cultivation has completely controlled Napier grass (Pennisetum purpureum Schumach.) and rough Mexican clover (Richardia scabra L.).
Development of High-Calcium Chicken Nuggets Fortified with Various Citric Acid - Extracted Chicken Eggshells Powder Suryono Suryono; Hutwan Syarifuddin; Jesayas Maranata; Musyid Musyid; Addion Nizori
Journal of Applied Agricultural Science and Technology Vol. 7 No. 1 (2023): 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.v7i1.133

Abstract

Chicken nuggets are ready-to-eat frozen processed meat products that are ground, steamed, molded, coated, frozen, and fried. Because chicken nuggets have a low calcium content, it must be done with the addition of chicken eggshells powder. Chicken eggshells powder contains natural calcium in the form of calcium carbonate. The current study aims to develop nuggets fortified with citric acid- extracted chicken eggshells powder. The purpose of this research was to determine the effect of fortified calcium citrate from chicken eggshells powder on the physicochemical properties of nuggets. This study used a completely randomized design with 6 treatment levels of chicken eggshells addition: 0%, 1%, 2%, 3%, 4% and 5%, replicated 3 times, so and 18 experimental units. Parameters observed were physico-chemical properties; moisture content, pH, protein and calcium content. The results showed that the citric acid extracted eggshell powder had a significant effect on moisture content, pH, protein content and calcium content of chicken nuggets. The best treatment was the addition of 3% eggshell powder with moisture content of 58.83%, pH value of 6.49, protein 17.23%, and calcium content of 129.99 mg/100g. It is recommended that further research can be conducted to investigate the effect of adding shell calcium on the quality and shelf-life of chicken nuggets during storage with various packaging and temperatures.

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