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Supriyono Supriyono
Department of Agrotechnology, Faculty of Agriculture, Sebelas Maret University, Surakarta,Indonesia
Agriculture, Biological Sciences & Forestry

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Role of ZA and KCl Fertilizer on Growth and Yield of Red Ginger (Zingiber officinale var. Rubrum) Supriyono Supriyono; A Y Darmawan; S Nyoto; M T S Budiastuti
Journal of Biodiversity and Biotechnology Vol 3, No 1 (2023)
Publisher : Pusat Penelitian dan Pengembangan Bioteknologi dan Biodiversitas (P3BB) LPPM UNS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/jbb.v3i1.74436

Abstract

Red ginger is one of the commodities much needed by the people of Indonesia. The increase in public demand has not been matched by an increase in red ginger production. Efforts to increase red ginger production can be done with effective fertilization. This study aims to determine the appropriate dose of ZA+KCl fertilization for good growth and yield of red ginger. This research was conducted in March-August 2021 in the experimental area of Pelem, Wonorejo, Jatiyoso, Karanganyar, Central Java with coordinates 7°43'24.7”S 111°05'31.2”E with an altitude of 762  ASL. This study used a Randomized Completed Block Design (RCBD) with one factor and 4 treatments, namely D0 (control), D1 (ZA 225 kg.ha-1+KCl 50kg.ha-1), D2 (ZA 450 kg.ha-1+ KCl 100 kg.ha-1) and D3 (ZA 675 kg.ha-1+KCl 150 kg.ha-1) were repeated 6 times each. The results showed that the application of several doses of fertilizer did not increase plant height, number of leaves, dry weight of straw but could increase the number of tillers per clump by 37.11% and the number of tillers per plot by 27.10%. The results of regression analysis showed that D2 had a trend to increase fresh weight and storage weight of rhizomes with an average of 1.9 t.ha-1 and 1.5 t.ha-1. This research needs to be further developed by improving environmental influences to increase the growth and yield of red ginger.
Role of Organic and Phosphate Fertilizer on Growth and Yield of Groundnut Supriyono Supriyono; Cholis Laila Aryani; Pardono Pardono; Maria Theresia Sri Budiastuti
Journal of Biodiversity and Biotechnology Vol 5, No 1 (2025)
Publisher : Pusat Penelitian dan Pengembangan Bioteknologi dan Biodiversitas (P3BB) LPPM UNS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/jbb.v5i1.111404

Abstract

Efforts to increase groundnut productivity can be achieved by fertilizing with organic and phosphate fertilizers. This research aims to examine the role of organic and phosphate fertilizers on growth and yield of groundnut. The research was conducted at the Faculty of Agriculture UNS Jumantono, EMPT (Ecology and Plant Production Management) Laboratory, Soil Chemistry and Fertility Laboratory from December 2024 to March 2025. The research used a Randomized Complete Block Design (RCBD) with two factors and each repeated three times. The first factor is dose of organic cow manure fertilizer (0, 10, 20, 30 ton.ha-1) and second factor is dose of phosphate fertilizer (0, 75, 150, 225 kg.ha-1). The observed variables include initial soil analysis, growth, yield, plant tissue analysis, and nutrient uptake analysis. Observational data were analyzed using analysis of variance (ANOVA) at a 95% confidence significant, Duncan Multiple Range Test (DMRT) at a 95% confidence significant, regression tests, and Pearson correlation tests. The results showed that cow manure fertilizer with an optimum dose of 25.67 ton.ha-1 combined with 225 kg.ha-1 of phosphate fertilizer resulted in the early flowering age, namely 24.97 days after planting. Organic cow manure fertilizer 10 ton.ha-1 was able to increase the number of leaves, leaf area index, fresh weight of straw, number of pods, dry weight of pods, number of seeds per plant, and seed weight per plant of groundnut compared without organic cow manure fertilizer. Phosphate fertilizer 75 kg.ha-1 was able to increase the number of pods, dry weight of pods, and number of seeds per plant compared without phosphate fertilizer.
EFFECT OF WATERING FREQUENCY AND ORGANIC FERTILIZER ON THE GROWTH AND YIELD OF GROUND NUT Supriyono Supriyono; Berliana Nur Rizkyah; Maria Theresia Sri Budiastuti; Desy Setyaningrum
Journal of Biodiversity and Biotechnology Vol 4, No 2 (2024)
Publisher : Pusat Penelitian dan Pengembangan Bioteknologi dan Biodiversitas (P3BB) LPPM UNS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/jbb.v4i2.109410

Abstract

Groundnut (Arachis hypogaea) is one of the commodities with high economic value; however, weather anomalies can affect plant water availability, which in turn impacts groundnut production and productivity. If water availability is not balanced with proper fertilizer application, plant growth may be inhibited. This study aims to determine the role of watering frequency and organic fertilizer on the growth and yield of ground nut. The research was conducted at the Laboratory of the Faculty of Agriculture, Sebelas Maret University, located in Sukosari Village, Jumantono District, Karanganyar Regency for a duration of four months, from December 2024 to March 2025. The method used was a factorial Randomized Complete Block Design (RCBD), consisting of two factors and three replications. The first factor was watering frequency (once a day, once every two days, once every three days, and once every four days). The second factor is the organic fertilizer dosage (0; 10; 20; and 30 tons.ha -1). Data were analyzed using Analysis of Variance (ANOVA) at a 95% significance level, followed by Duncan’s Multiple Range Test (DMRT) at a 95% significance level. Regression analysis was performed to determine the recommended dosage, and correlation analysis was used to identify relationships between observed variables. The result showed that watering once every three days resulted in the best 100-seed weight. Watering once a day resulted in the best dry biomass weight. Organic fertilizer dose of 20 t.ha-1 produced the best plant height, leaf area, leaf area index, number of pods, fresh pod weight, dry pod weight, number of seeds, and seed weight. Organic fertilizer dose of 30 t.ha -1 produced the best number of leaves at 5 Weeks After Planting (WAP), number of nodes at 5 WAP, and flowering age. Interaction between watering once a day and organic fertilizer dose of 20 t.ha-1 produced the best dry biomass weight.
Co-Authors A Y Darmawan Berliana Nur Rizkyah Cholis Laila Aryani Desy Setyaningrum M T S Budiastuti Maria Theresia Sri Budiastuti Maria Theresia Sri Budiastuti Pardono Pardono S Nyoto