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Yusmine Yulianto Pradita
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JTCST (Journal of Tropical Crop Science and Technology)
Published by Universitas Muhammadiyah Malang
ISSN : -     EISSN : 26564742     DOI : https://doi.org/10.22219/jtcst.v6i1.32887
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
JTCST (Journal of Tropical Crop Science and Technology) publishes scientific papers on the results of the study/research and review of the literature in the sphere of tropical crop production and technology in agriculture. Additionally, this journal also covers the issues of plant biology, crop production and environmental science. Editors welcome scholars, researchers, and practitioners of education around the world to submit scholarly articles to be published through this journal. All articles will be reviewed by experts before accepted for publication. Each author is solely responsible for the content of published articles.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Agronomi dan Ilmu Tanaman
Articles 5 Documents
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Search results for , issue "Vol. 3 No. 2 (2021): VOLUME 3, NO. 2, OCTOBER 2021" : 5 Documents clear
Seed Priming Used Coconut Water In Different Concentration And Soaked Periode To Increase Soybean Germination Anang Wibowo; Aulia Zakia; sufianto
Journal of Tropical Crop Science and Technology Vol. 3 No. 2 (2021): VOLUME 3, NO. 2, OCTOBER 2021
Publisher : Universitas Muhammadiyah Malang

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Abstract

Soybean seeds are orthodox seeds that quickly deteriorate, especially if the storage environment conditions are less favorable (sub optimum). Soaking using coconut water can be done to overcome the deterioration of soybean seeds by utilizing vegetable waste. The purpose of this research was to study the effect of concentration and duration of coconut water soaking on the process of soybean seed germination. This research was conducted in January-February 2020, at the Agronomy Laboratory, Agrotechnology Study Program, Faculty of Agriculture-Livestock. The soybean used in the study was the Dena I variety. Factorial Completely Randomized Design (CRD) with 2 factors was used in this study. Factor 1 was coconut water concentration (K0 = 0% Coconut Water Concentration; K1 = 25% Coconut Water
Detection of Carbohydrate Compounds in Compost Made From Soybean Husk and Cow Manure Sri Mursiani
Journal of Tropical Crop Science and Technology Vol. 3 No. 2 (2021): VOLUME 3, NO. 2, OCTOBER 2021
Publisher : Universitas Muhammadiyah Malang

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Abstract

Husk through composting techniques. However, information about the characteristics of soybean husk still needed to be studied more deeply. This caused coagulation of primary metabolites which had a very important biological functions as an energy source, fuel and intermediates for planting, the formation of RNA and DNA structural work (ribonucleic acid and deoxyribonucleic acid), this could be used to help explore the profile carried out in soybean husk degradation. Detection of carbohydrate compounds in this study used Gas Chromatography–Mass Spectroscopy (GC–MS) because it was a powerful tool in characterizing compost. The purpose of this study was to detect carbohydrate compounds in compost made from soybean husk and cow manure. Thus, further information obtained could be used as recommendations in handling soybean husk, especially as organic fertilizer through composting techniques.The study was conducted using a Randomized Complete Block Design (RCBD) with 5 composting arrangements with five replications. Related to payments were: C1: soybean husk (100 %), C2: cow manure (100 %), C3: soybean husk: cow manure (50 %: 50 %), C4: soybean husk: cow manure (75 %: 25 %) and C5: soybean husk: cow manure (25 %: 75 %). Data were analyzed using GC–MS and Least Significant Difference (LSD). Based on analysis using GC–\MS on compost, six sugar compounds were detected. While the treatment that showed the highest area of the curve was C5 (25 % soybean husk: 75 % cow manure), this result was directly proportional to the Least Significant Difference (LSD).
Testing The Effectiveness Of Biological Agents As Biofertilizers On The Growth Of Two Rice Varieties (Oryza sativa L.) In Screen House Rizki Nabil Gibran; Fatimah Nursandi; Aulia Zakia
Journal of Tropical Crop Science and Technology Vol. 3 No. 2 (2021): VOLUME 3, NO. 2, OCTOBER 2021
Publisher : Universitas Muhammadiyah Malang

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Abstract

Rice (Oryza sativa L.) is one of the most important food commodities for human nutritional needs. The amount of rice consumption per capita per week in 2017 was 1,571 (BPS, 2018). Population growth over time has resulted in increased demand for rice in Indonesia. Therefore, the demand for rice by the Indonesian people is very high. The problem is that the demand for local rice in Indonesia is still low, so one way to meet the demand for rice in Indonesia is through imports. Utilization of water and land resources is one of the common challenges faced in realizing national food security (Fita et al., 2013). Low productivity of rice plants is generally caused by biological, physical, and chemical soil problems. One of the efforts to increase the productivity of rice plants is by utilizing biological resources such as biofertilizers.The objectives of this study were to determine the appropriate dose of biofertilizer that will affect the growth of rice plants, determine the combination of biofertilizer and application interval that affects the growth of rice plants, and determine the effect of biofertilizer application on 2 varieties of rice plants (Ciherang and IR 64). The design used in this study was a factorial complete randomized block design (RKLT) to determine the interaction and effect of each factor. Then DMRT (Duncan's test) was conducted to determine the best treatment. Based on the results of the study, it was found that the interaction between biofertilizer treatment and rice varieties had significant effects on almost all observed variables except stem diameter at 70 HST, number of clumps at 42 HST, number of productive tillers, and weight of planted seeds. The combination of biofertilizer treatment and rice variety had inconsistent effects on growth parameters and rice yield.
Effect of Two Varieties and Several Isolates of Rhizobacteria on Soybean Plant (Glycine max (L.) Merril) Productivity Erfan Dani; Maftuchah; Yoga Andi Kurniawan
Journal of Tropical Crop Science and Technology Vol. 3 No. 2 (2021): VOLUME 3, NO. 2, OCTOBER 2021
Publisher : Universitas Muhammadiyah Malang

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Abstract

The study investigates the nutritional composition of soybeans, emphasizing their richness in calcium, iron, zinc, phosphorus, magnesium, thiamine, riboflavin, niacin, and folic acid. Soybeans are highlighted as a significant source of essential amino acids, proteins, and vegetable oils, with dried soybeans comprising 34% protein, 19% oil, 34% carbohydrates (including 17% dietary fiber), and 5% minerals. The environmental conditions crucial for soybean cultivation are discussed, underscoring the need for a balance between air temperature and humidity influenced by rainfall. Optimal conditions, characterized by high air temperatures and low humidity, are essential for quality soybean production. Despite increasing domestic demand, Indonesia imports soybeans to meet its needs. To address this issue, the study proposes a solution involving the application of rhizobacteria to enhance soybean productivity. The research aims to assess the impact of various bacterial isolates on the productivity of Dega1 and Anjasmara soybean varieties, exploring potential interactions between rhizobacterial isolates and soybean varieties. Employing a factorial RAK Split Plot experimental design with two factors (variety and treatment) and three repetitions, the study reveals that rhizobacteria-treated soybean plants exhibit increased productivity, with more leaves and greater height compared to the control. The abundance of leaves contributes to additional branches and flowers, ultimately enhancing pod development on soybean plants.
Effect Of Granule And Liquid Biofertilizers On Growth And Yield Of Maize Under Several Levels Of Drought Stress Achmad Syakur Fitroni; Aniek Iriany; Erny Ishartati
Journal of Tropical Crop Science and Technology Vol. 3 No. 2 (2021): VOLUME 3, NO. 2, OCTOBER 2021
Publisher : Universitas Muhammadiyah Malang

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Abstract

The study conducted at the Integrated Laboratory of the Faculty of Agriculture and Animal Husbandry, University of Muhammadiyah Malang, aimed to formulate granule and liquid biofertilizers for corn cultivation on dry land in Indonesia, covering 144.47 million hectares. Corn is a crucial agricultural commodity in the country, aligning with the Sustainable Food Self-Sufficiency Policy program. Fertilizers, especially biological ones with plant growth-promoting rhizobacteria (PGPR), play a pivotal role in enhancing both the quality and quantity of corn production. The research utilized a Nested Split Plot Design, considering varying levels of drought stress (100%, 70%, and 40% of field capacity) and bacterial density (control, 10^9, 10^8, and 10^7). Results indicated no significant interaction between granular and liquid fertilizer densities across different field capacities. While the PGPR consortium in both fertilizer types showed limited effectiveness in boosting maize growth and yield, the highest average performance was observed at a density of 10^7. Additionally, certain stress levels did not contribute to increased maize growth and yield, except for the 100% field capacity treatment. It was noted that extreme temperatures, reaching up to 54°C in the plastic house, might have hindered the expected interaction. Plant growth tends to decrease drastically below 15°C or above 40°C, as these temperatures activate physical and chemical processes in plants. The study underscores the importance of considering environmental factors in optimizing biofertilizer effectiveness for sustainable corn cultivation on Indonesian dry land.

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