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All Journal Jurnal Ilmu Pertanian Indonesia BioEksakta : Jurnal Ilmiah Biologi Unsoed
Setiana, Devi Vira
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Immunology & microbiology Veterinary

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Pengaruh Kadar Garam terhadap Karakter Anatomi Daun Kedelai [Glycine max (L.) Merr.] Kultivar Grobogan Setiana, Devi Vira; Juwarno, Juwarno; Purwati, Endang Sri
BioEksakta : Jurnal Ilmiah Biologi Unsoed Vol 5 No 1 (2023): BioEksakta
Publisher : Fakultas Biologi Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/1.bioe.2023.5.1.4735

Abstract

Kedelai [Glycine max (L.) Merr.] saat ini kebutuhannya semakin meningkat namun tidak diimbangi oleh produksinya. Kegagalan produksi tersebut salah satunya akibat kurangnya lahan. Tujuan penelitian ini adalah untuk mengetahui pengaruh kadar garam terhadap karakter anatomi daun kedelai kultivar Grobogan. Penelitian ini menggunakan metode eksperimental dengan Rancangan Acak Lengkap (RAL). Parameter yang diamati meliputi tebal epidermis adaksial dan abaksial, tebal kutikula adaksial dan abaksial, tebal mesofil, panjang stomata, lebar stomata, kerapatan stomata, kerapatan trikomata. Data dianalisis dengan analisis ragam (ANOVA), dengan tingkat kesalahan 5%. Perlakuan yang memberikan pengaruh nyata, dilanjutkan dengan uji Beda Nyata Jujur (BNJ) dengan Standar Kesalahan 5%. Hasil penelitian menunjukkan kadar garam 100 mM dapat meningkatkan ukuran tebal epidermis adaksial dan epidermis abaksial. Kadar garam 0 mM meningkatkan panjang stomata abaksial dan kerapatan stomata adaksial.
Effect of Ammonium Sulfate on Flower and Pod Development of Soybean [Glycine max (L.) Merr.] Setiana, Devi Vira; Nurchayati, Yulita; Setiari, Nintya
Jurnal Ilmu Pertanian Indonesia Vol. 31 No. 1 (2026): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18343/jipi.31.1.17

Abstract

Soybean [Glycine max (L.) Merr.] is a food crop rich in vegetable oil and protein, with increasing demand and economic worth. Increasing soybean production can be accomplished by providing nutrients nitrogen and sulfur, hence increasing the percentage of bloom development into pods. Applying ammonium sulfate at the start of planting can fulfill nitrogen and sulfur fertilizer requirements. The purpose of this study was to examine and determine the ideal concentration of ammonium sulfate for optimal flower and pod formation, as well as the percentage of flower development into pods and leaf sulfur content. Ammonium sulfate was applied in an experimental garden by mixing it into the planting material in polybags under controlled settings. This study employed a single-factor fully randomized design with four doses of ammonium sulfate. The treatments were ammonium sulfate [NH4)2SO4] at various concentrations of 0, 100, 200, and 300 kg/ha administered at the start of planting, with five replications. The research factors were the quantity of flowers, pods, percentage of flower development into pods, and sulfur level in the leaves. The sulfur content of the leaves was determined using an atomic absorption spectrophotometer. Data were analyzed using ANOVA at a significance level of 5%, followed by DMRT if the results were significant. The results revealed that ammonium sulfate 300 kg/ha produced the highest number of flowers, pods, percentage of flower development into pods, and sulfur content in leaves. Keywords: ammonium sulfate, nitrogen, productivity, soybean, sulfur
Co-Authors Endang Sri Purwati Juwarno, Juwarno Nintya Setiari Yulita Nurchayati