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      Optimasi Dosis Pupuk pada Budidaya Kangkung Menggunakan Fertigasi Melalui Irigasi Tetes

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      Date
      2024
      Author
      Thofani, Choirul Eka
      Susila, Anas Dinurrohman
      Suketi, Ketty
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      Abstract
      Peningkatan produktivitas tanaman kangkung varietas Bangkok-LP1 dapat dilakukan dengan cara pemberian dosis pupuk yang optimum berdasarkan analisis tanah secara fertigasi melalui irigasi tetes. Penelitian ini bertujuan untuk mengetahui rekomendasi dosis pupuk yang tepat untuk tanaman kangkung sehingga mencapai produktivitas yang maksimal. Penelitian dilakukan mulai bulan Juli sampai Oktober 2023 di Kebun Percobaan Cikarawang, Institut Pertanian Bogor, yang memiliki jenis tanah inceptisol dengan kandungan C-Organik 1,38%, P-Tersedia 5,5 ppm (sangat rendah), K-Tersedia 33,1 ppm (rendah), dan pH 6,03 (masam). Penelitian ini menggunakan Rancangan Kelompok Lengkap Teracak (RKLT) dengan satu faktor yaitu perlakuan 5 dosis pemupukan 0%X, 50%X, 100%X, 150%X, dan 200%X, dengan X adalah dosis 219 kg N ha-1, 374 kg P2O5 ha-1, 187 kg K2O ha-1 dengan 4 ulangan. Hasil penelitian menunjukkan bahwa aplikasi pemupukan menggunakan fertigasi melalui irigasi tetes sampai 200% rekomendasi Ferads tidak memberikan pengaruh yang nyata pada pertumbuhan dan produksi kangkung varietas Bangkok-LP1. Produktivitas kangkung varietas Bangkok-LP1 mencapai 13,64 ton ha-1 pada penanaman pertama, sedangkan pada penanaman kedua dengan residu pemupukan menghasilkan 12,33 ton ha-1.
       
      Increasing the productivity of the Bangkok-LP1 variety of water spinach plants can be done by providing optimum fertilizer rate based on soil analysis using fertigation through drip irrigation. This research aims to determine the recommended fertilizer rate for water spinach plants to achieve maximum yield. The research was conducted from July to October 2023 at the Cikarawang Experimental Station, Bogor Agricultural University, which has an inceptisol soil type with a C-Organic content of 1,38%, P-Available 5,5 ppm (very low), K-Available 33,1 ppm (low), and pH 6,03 (acid). This study used a Randomized Completely Block Design (RCBD) with one factor, with 5 level fertilizer rate of 0%X, 50%X, 100%X, 150%X, and 200%X, where 219 kg N ha-1, 374 kg P2O5 ha-1, 187 kg K2O ha-1 with 4 replications. The results of the research showed that fertilization application using fertigation through drip irrigation up to 200% as recommended by Ferads did not have a significant effect on the growth and yield of the Bangkok-LP1 variety of water spinach. The productivity of the Bangkok-LP1 variety of water spinach reached 13.64 tons ha-1 in the first planting, while in the second planting with fertilizer residue it produced 12.33 tons ha-1.
       
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      http://repository.ipb.ac.id/handle/123456789/154268
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      • UT - Agronomy and Horticulture [7622]

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