Pengisian Air Dan Nutrisi Otomatis Pada Reservoir Hidroponik Kratky Untuk Budidaya Pakcoy (Brassica Rapa Subsp Chinensis) PENGISIAN AIR DAN NUTRISI OTOMATIS PADA RESERVOIR HIDROPONIK KRATKY UNTUK BUDIDAYA PAKCOY (Brassica rapa subsp chinensis) Bagian Articles

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Diterbitkan Oktober 14, 2025
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Jurnal Agritechno Vol. 18, Nomor 2, Oktober 2025

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Anri Kurniawan
a:1:{s:5:"en_US";s:38:"Universitas Nahdlatul Ulama Purwokerto";}
Hanif Nur Fatih
Hanis Adila Lestari

Abstrak

Sistem pemberian air dan nutrisi otomatis pada hidroponik Kratky untuk tanaman pakcoy (Brassica rapa subsp. chinensis) berfungsi sebagai pengendali ketinggian air dan konsentrasi nutrisi dalam reservoir. Sensor ultrasonik digunakan untuk mengukur permukaan air, sedangkan sensor TDS mendeteksi tingkat kepekatan nutrisi. Kedua sensor diatur oleh mikrokontroler Arduino UNO untuk mengoperasikan pompa air dan pompa nutrisi. Penelitian ini bertujuan merancang dan menguji sistem kontrol otomatis tersebut. Proses dilakukan melalui tahap perancangan alat, pengujian sistem, serta analisis data menggunakan kalibrasi persentase error dan perhitungan Root Mean Square Error (RMSE) guna menilai kinerja pompa air. Hasil penelitian menunjukkan bahwa sistem bekerja secara optimal. Pompa air aktif saat tinggi muka air berada antara 30–40 cm, sementara pompa nutrisi menyala ketika nilai ppm turun hingga batas 600 ppm. Sensor ultrasonik memiliki tingkat error sebesar 0,76%, dan sensor TDS sebesar 0,60%; keduanya berada di bawah 1%, sehingga dikategorikan sangat akurat. Pada 30 HST, tanaman pakcoy menunjukkan tinggi rata-rata 15,05 cm dan lebar daun 14,98 cm. Kinerja pompa air dalam sistem otomatis memiliki nilai RMSE sebesar 7,5498, yang menunjukkan performa cukup baik

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Biografi Penulis

Hanif Nur Fatih,

Department of Agricultural and Biosystem Engineering, Nahdlatul University of Purwokerto

Hanis Adila Lestari,

Department of Agricultural and Biosystem Engineering, Nahdlatul Ulama University of Purwokerto

Cara Mengutip
Pengisian Air Dan Nutrisi Otomatis Pada Reservoir Hidroponik Kratky Untuk Budidaya Pakcoy (Brassica Rapa Subsp Chinensis): PENGISIAN AIR DAN NUTRISI OTOMATIS PADA RESERVOIR HIDROPONIK KRATKY UNTUK BUDIDAYA PAKCOY (Brassica rapa subsp chinensis). (2025). Jurnal Agritechno, 98-107. https://agritech.unhas.ac.id/ojs/index.php/at/article/view/1871

Cara Mengutip

Pengisian Air Dan Nutrisi Otomatis Pada Reservoir Hidroponik Kratky Untuk Budidaya Pakcoy (Brassica Rapa Subsp Chinensis): PENGISIAN AIR DAN NUTRISI OTOMATIS PADA RESERVOIR HIDROPONIK KRATKY UNTUK BUDIDAYA PAKCOY (Brassica rapa subsp chinensis). (2025). Jurnal Agritechno, 98-107. https://agritech.unhas.ac.id/ojs/index.php/at/article/view/1871

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