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All Journal Agrotechnology Research Journal
Trijono Djoko Sulistyo
Department of Agrotechnology, Faculty of Agriculture, Universitas Sebelas Maret, Surakarta, Central Java 57126, Indonesia
Agriculture, Biological Sciences & Forestry

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Efektivitas Pupuk Hayati terhadap Pertumbuhan dan Hasil Jagung Hibrida di Tanah Alfisol Supriyono Supriyono; Aprilia Ike Nurmalasari; Trijono Djoko Sulistyo; Siti Fatimah
Agrotechnology Research Journal Vol 6, No 1 (2022): Agrotechnology Research Journal
Publisher : Perkumpulan Agroteknologi/Agroekoteknologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (219.357 KB) | DOI: 10.20961/agrotechresj.v6i1.44992

Abstract

The use of biological fertilizers on maize is one way to increase crop productivity which refers to sustainable agriculture. This study aims to determine the effect of biological fertilizers on the growth and yield of hybrid maize. The research was conducted from May to September 2019 at the Jumantono Experimental Garden in Sukosari village, Jumantono, Karanganyar. The method used was a factorial Randomized Complete Block Design (RCBD) with one factor, namely the dose of biological fertilizer consisting of 4 levels, 0, 12, 20, and 28 L.ha-1), Liquid biological fertilizers used are biological fertilizers containing Azospirillum sp., Azotobacter sp., and Bacillus sp. The results showed that the 12 L.ha-1 dose of biofertilizer significantly affected plant height, stem diameter, and leaf area index compared to the control (0 L.ha-1). Biofertilizer was able to increase plant height, stem diameter, and leaf area index by 9.3, 13, and 19%, respectively. The optimum dose of biofertilizer on acid soils was 12 L.ha-1 with a seed yield of 3.5 tons.ha-1 or an increase of 23.02% compared to control. This study concludes that the dose of 12 L.ha-1 can be used as a recommendation to farmers for hybrid maize cultivation on acid land.
Efek Radiasi Sinar Gamma pada Pertumbuhan Vegetatif Anggrek Vanda Hibrid Sri Hartati; Abednego Widya Setiawan; Trijono Djoko Sulistyo
Agrotechnology Research Journal Vol 6, No 2 (2022): Agrotechnology Research Journal
Publisher : Perkumpulan Agroteknologi/Agroekoteknologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (347.244 KB) | DOI: 10.20961/agrotechresj.v6i2.55008

Abstract

Orchids are one of the most important ornamental plants in the world. The existence of natural orchids in their habitat is approaching extinction rate, so it is necessary to increase the diversity of orchids by crossing them. The Vanda orchid is one of the famous orchids in Indonesia because of its uniqueness. Vanda orchids have a very abundant diversity, so they can increase the potential of orchid plants. This study used a hybrid orchid plant Vanda celebica x Vanda dearei irradiated by Gamma-rays with a dose of 0 Gray, 10 Gray, 20 Gray, 30 Gray, 40 Gray, and 50 Gray. The data obtained from the observations will be analyzed using descriptive methods by observing each plant in various doses of Gamma-ray radiation compared with control treatment and presented in the form of boxplot images. The irradiation dose of hybrid Vanda orchids (Vanda celebica x Vanda dearei) increased the diversity in the parameters of plant height and leaf width. The application of a dose of Gamma-ray irradiation did not cause a significant interaction with the variable number of leaves. The diversity value decreased in the parameters of leaf length and number of roots. Application doses of Gamma-ray irradiation of 10, 20, and 30 Gray can change the leaves into grooves compared to control plants. Mutant plants had lower chlorophyll content than control plants (0 Gray).
Co-Authors Abednego Widya Setiawan Aprilia Ike Nurmalasari Siti Fatimah Sri Hartati Supriyono Supriyono