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All Journal JTCST (Journal of Tropical Crop Science and Technology)
Aniek Iriany
Universitas Muhammadyah Malang
Agriculture, Biological Sciences & Forestry

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Study Of Using Various Fertilizers On Four Varieties Of Tomatoes (Solanum lycopersicum) Asmohin Yulianto; Aniek Iriany; sufianto
Journal of Tropical Crop Science and Technology Vol. 4 No. 1 (2022): VOLUME 4, NO. 1, MARCH 2022
Publisher : Universitas Muhammadiyah Malang

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Abstract

The increasing demand for tomatoes has prompted concerns about the potential decrease in tomato supply, as reflected in rising market prices. To address this issue, efforts should be directed towards enhancing the productivity of tomato plants. This study focuses on identifying the interactive effects of fertilizer type and tomato variety on tomato plant development.Utilizing a Completely Randomized Design (CRD) with two factors, the first factor involves three types of fertilizers (Goat Manure, NPK, and Liquid Organic), while the second factor includes four tomato varieties (Permata, Donna, Serfo F1, and Tinatoon F1). Various parameters, such as plant height, number of leaves, number of branches, stem diameter, number of fruits, and fruit weight, were monitored.The study's results highlight a significant interaction between fertilizer types and tomato varieties, with the NPK fertilizer treatment and the Tinatoon F1 variety demonstrating optimal height among the tomato plants. Notably, NPK fertilizer exhibited a positive influence on tomato plant development, particularly in plant height at weeks 7, 10, and 13, as well as in the number of leaves, number of branches, fruit weight, and stem diameter. In contrast, the type of tomato plant did not significantly impact tomato growth, except for the Tinatoon Variety, which consistently outperformed others in terms of branches, leaves, stem diameter, and fruit weight during the observation period at weeks 7, 10, and 13. These findings underscore the importance of fertilizer selection, specifically favoring NPK, in optimizing tomato plant productivity.
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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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.
The Effect of Urea Fertilizer Dosage on Growth and Results of Two Types Basil (Ocimum americanum L.). Nofa Prismawan; Aniek Iriany; sufianto
Journal of Tropical Crop Science and Technology Vol. 4 No. 1 (2022): VOLUME 4, NO. 1, MARCH 2022
Publisher : Universitas Muhammadiyah Malang

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Abstract

Basil is one of the indigenous plants, that has the potential to be used as a plant that is cultivated intensively in Indonesia. Basil include as one of the shrubs that can grow in almost all areas with a fairly dense canopy appearance. Each plant has different growing conditions. Basil can be grown in all regions of Indonesia. The purpose of this study was to identify the response of 2 types of basil against the use of N fertilizer dose on the early growth. In the growth process, plants require sufficient nutrients so that the physiological processes in plants’ organs can be held properly. The nutrients used by plants can be sourced from within the soil itself or in the form of fertilizers that have been put into the soil. Plants will grow properly if the elements needed by plants are fulfilled. Plants need sufficient N, P, and K nutrients for system growth. The elements of N and P are needed in the growth of proteins, carbohydrates, and nucleic acids. Basil plants are leafy vegetable plants that remarkably require Nitrogen in the optimal amounts of the growth process. The research was carried out from February to April 2022 at the Experimental Field of the Faculty of Agriculture and Animal Husbandry at the University of Muhammadiyah Malang. The design used in this study was the factorial Randomized Complete Block Design (RCBD) with a treatment dose of Urea fertilizer in basil type. The results showed that there was no interaction between the types of basil and the dose of urea at all the observation parameters. On the other side, the type of basil affects the parameters of the number of leaves, plant height, and total fresh weight where the type of tidore basil was better than other types of basil. Furthermore, the urea fertilizer dose treatment affected the number of leaves, plant height, and total fresh weight where the better urea fertilizer dose was N125.
Co-Authors Achmad Syakur Fitroni Asmohin Yulianto Erny Ishartati Nofa Prismawan sufianto