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All Journal BIOVALENTIA: Biological Research Journal
Erizal , Sodikin
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Environmental Science Immunology & microbiology Medicine & Pharmacology

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The Morphological Traits of Brazilian Spinach on Different Shading intensi-ties and Organic Fertilizer Strayker, Ali Muda; Fitra , Gustiar; Theresia , Aprila Sareng; Zaidan , Panji Negara; Erizal , Sodikin; Entis Sutisna , Halimi
BIOVALENTIA: Biological Research Journal Vol. 11 No. 1 (2025)
Publisher : Biology Department, Faculty of Mathematics and Natural Sciences, Sriwijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24233/biov.11.2.2025.338

Abstract

Environmental growth will have an impact on plant morphology. This condition also involves shading and nutrient availability for Brazilian spinach as an introduced leafy vegetable. The study aimed to evaluate Brazilian spinach growth and yield on different shading intensities and organic fertilizers. The study adopted a split-plot design with artificial shading intensities (0%, 50%, and 70%) as the main plot and the type of organic fertilizer (guano, vermicompost, liquid organic fertilizer) as the subplot. The results showed that Brazilian spinach could adapt to canopy areas. However, the Brazilian spinach growth was dominant in a no-shade environment (S0). It was evident by shoot fresh weight (SFW), stem dry weight (SDW), branch dry weight (BDW) and leaf dry weight (LDW). Guano fertilizer (F1) was an organic fertilizer that increased the observed variables, including canopy growth, nutrient and water absorption ability and absolute growth of Brazilian spinach. Although the shoot-root ratio for each single treatment did not show a significant effect. There was a significantly interaction between shade and organic fertilizer in Brazilian spinach growth for all morphological traits including shoot-root ratio. Generally, leaf growth was a positive correlation to stem (R2= 0.9918), branches (R2= 0.7258) and shoots (R2=0.9105). In conclusion, the most suitable growing environment for Brazil spinach growth and yield is in no-shading areas, while guano fertilizer application is recommended to be selected to enhance Brazil spinach growth and yield.
The Growth Of Oil Palm (Elaeis guineensis Jacq.) In Pre Nursery With Planting Media Composition And Concentration Of Micro Fertilizer I Wayan , Sugita; Yakup; Erizal , Sodikin; M. Umar , Harun
BIOVALENTIA: Biological Research Journal Vol. 11 No. 1 (2025)
Publisher : Biology Department, Faculty of Mathematics and Natural Sciences, Sriwijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24233/biov.11.1.2025.458

Abstract

Planting media and micronutrients are important aspects of plant growth. Planting media rich in organic matter and micronutrients such as B and Cu are essential nutrients that must be fulfilled for oil palm plants (Elaeis guineensis Jacq). This study aims to determine the growth of oil palm in early nurseries with the composition of planting media and the concentration of microfertilizer application and determine the best treatment interaction for oil palm seedling growth. The research was conducted at UPT BPP Tungkal Jaya Kec. Musi Banyuasin from December 2023 to March 2024. The design used was a two-factor Randomized Block Design with three replications, each replication consisting of 48 plants so that there were 144 experimental units. The treatments consisted of (M0P0) 100% soil + 0 ml/plant vs (M1P1) 85% soil + 15% rice husk charcoal + 2 ml/plant vs (M2P2) 75% soil + 25% rice husk charcoal + 4 ml/plant and (M3P3) 50% soil + 50% rice husk charcoal + 6 ml/plant. The data obtained were analyzed using ANOVA, if there was a significant effect, it was continued with the Honest Real Difference test at the 5% level. The results showed that the composition of planting media had a significant effect on oil palm growth such as stem diameter, number of leaves, plant height, wet weight, dry weight and root length. However, microfertilizer concentration did not show a significant impact on growth. The interaction between growing media and microfertilizer affected certain variables such as leaf area, wet weight and root length.The conclusion of this research is that M3 planting media and P3 microfertilizer are effective in increasing the growth of oil palm seedlings. The use of organic planting media, loose and providing sufficient nutrients for plants found in the community environment
Co-Authors Entis Sutisna , Halimi Fitra Gustiar, Fitra I Wayan , Sugita M. Umar , Harun Strayker, Ali Muda Theresia , Aprila Sareng Yakup Zaidan , Panji Negara