Update Artikelilmiah: 50894

LUTFIA MARSYA ELANG RAHMANDA

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Abstrak (Bhs. Indonesia)

Selama lima tahun terakhir, produksi dan luas panen ubi jalar berfluktuasi sehingga diperlukan penerapan teknologi budidaya yang tepat untuk meningkatkan produktivitas. Pemanfaatan limbah organik seperti kotoran sapi, kotoran kambing, tongkol jagung, dan azolla sebagai pupuk maupun biochar menjadi salah satu Solusi memperbaiki permasalahan tersebut sekaligus mengurangi pencemaran lingkungan. Penelitian ini bertujuan untuk mengetahui pengaruh aplikasi pupuk organik, mengetahui pengaruh aplikasi biochar plus, dan mengetahui pengaruh aplikasi pupuk organik dan biochar plus terhadap kerapatan stomata ubi jalar putih. Penelitian ini dilaksanakan di Desa Bobosan, Kecamatan Purwokerto Utara, Kabupaten Banyumas dan Laboratorium Agronomi dan Hortikultura, Fakultas Pertanian. Waktu penelitian dimulai pada September 2024 hingga Agustus 2025. Rancangan Acak Kelompok (RAK) faktorial yang terdiri atas dua faktor kombinasi perlakuan. Faktor pertama adalah perlakuan pupuk organik (O), yaitu O0 = tanpa pupuk organik; O1 = pupuk organik sapi; O2 = pupuk organik kambing. Faktor kedua adalah perlakuan biochar (B), yaitu B1 = biochar; B2 = biochar plus POC air leri; B3 = biochar plus azolla. Data yang diperoleh dianalisis menggunakan uji F dan apabila berbeda nyata dilanjutkan dengan uji Duncan’s Multiple Range Test (DMRT). Hasil penelitian menunjukkan aplikasi pupuk organik belum mampu meningkatkan kerapatan stomata tanaman ubi jalar putih

Abtrak (Bhs. Inggris)

Over the past five years, sweet potato production and harvest area have fluctuated, requiring the application of appropriate cultivation technologies to increase productivity. The use of organic waste such as cow manure, goat manure, corn cobs, and azolla as fertilizer and biochar is one solution to this problem while also reducing environmental pollution. This study aims to determine the effect of organic fertilizer application, the effect of biochar plus application, and the effect of organic fertilizer and biochar plus application on the stomatal density of white sweet potatoes. This study was conducted in Bobosan Village, North Purwokerto District, Banyumas Regency, and the Agronomy and Horticulture Laboratory, Faculty of Agriculture. The research period was from September 2024 to August 2025. A factorial randomized block design (RAK) consisting of two treatment combinations was used. The first factor was organic fertilizer treatment (O), namely O0 = no organic fertilizer; O1 = cow manure; O2 = goat manure. The second factor is biochar treatment (B), namely B1 = biochar; B2 = biochar plus POC water leachate; B3 = biochar plus azolla. The data obtained were analyzed using the F test and if there were significant differences, they were followed up with Duncan's Multiple Range Test (DMRT). The results showed that the application of organic fertilizer was not able to increase the stomatal density of white sweet potato plants

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