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PERTUMBUHAN DAN HASIL TANAMAN JAGUNG MANIS (ZEA MAYS SACCHARATA STURT) AKIBAT PEMBERIAN DOSIS PUPUK MAJEMUK NPK Solihin, Eso; Sudirja, Rija; Yuniarti, Anni
AGRO TATANEN | Jurnal Ilmiah Pertanian Vol. 6 No. 2 (2024): AGRO TATANEN Edisi Juli 2024 | Jurnal Ilmiah Pertanian
Publisher : Program Studi Agroteknologi Faperta UNIBBA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55222/agrotatanen.v6i2.1435

Abstract

Sweet corn (Zea mays saccharata Sturt) is one of the food crops that is needed to meet food needs. Efforts to increase the quantity and quality of sweet corn can be done through fertilization. To ensure that sweet corn's nutritional requirements for nitrogen (N), phosphorus (P) and potassium (K) are met, fertilizer such as NPK can be applied. This research aims to analyze the effect of various doses of NPK fertilizer on the growth and yield of sweet corn. The research was carried out at the Ciparanje Experimental Garden, Faculty of Agriculture, Padjadjaran University, Jatinangor, Sumedang, from November 2023 to March 2024. The research used a Complete Randomized Block Design (RAK) with ten treatments and three replications. The treatments given include: Control (without N, P, K), Standard N, P, K (Urea, SP-36, and KCl), and NPK fertilizer with varying doses (¼, ½, ¾, 1, 1 ¼, 1 ½ , 1 ¾, and 2). The research results showed that the application of NPK compound fertilizer had a significant effect on growth parameters, yield components and sweet corn yield. Meanwhile, the most effective dose in increasing plant yields was H treatment (1 ½ doses of NPK).
Pengaruh Pembenah Tanah Cair dan Pupuk N, P, K terhadap Pertumbuhan Serta Hasil Tanaman Bawang Merah (Allium cepa, L.) Solihin, Eso; Sudirja, Rija; Yuniarti, Anni; Kamaluddin, Nadia Nuraniya
Jurnal Ilmiah Universitas Batanghari Jambi Vol 24, No 3 (2024): Oktober
Publisher : Universitas Batanghari Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33087/jiubj.v24i3.5268

Abstract

This research aims to determine the effects of humic acid application on soil pH, organic carbon (C-Organic), cation exchange capacity (CEC), as well as the growth and yield of shallots. The study was conducted at the Ciparanje Experimental Garden, Faculty of Agriculture, Padjadjaran University, Jatinangor, Sumedang, from November 2023 to February 2024. The experimental method used was a Randomized Complete Block Design (RCBD) with six treatments and five replications. The treatments were: A; (0.5 Soil Amendment and 1 Standard N, P, K), B; (1 Soil Amendment and 1 Standard N, P, K), C; (1.5 Soil Amendment and 1 Standard N, P, K), E; Without Standard N, P, K and Soil Amendment (Control), and F; (Standard N, P, K). The results showed that the combination of soil amendments and N, P, and K fertilizers significantly affected the parameters of soil pH, C-Organic, CEC, and plant height at 14, 28, 42, and 56 days after planting (DAP); stem diameter at 14, 28, 42, and 56 DAP; number of tillers at 14, 28, 42, and 56 DAP; and shallot plant weight.
PENGARUH KOMBINASI FOSFAT ALAM DENGAN PUPUK NITROGEN DAN KALIUM TERHADAP PERTUMBUHAN DAN HASIL TANAMAN JAGUNG (Zea mays L) Solihin, Eso; Sudirja, Rija; Liana Sari, Stefina; Yuniarti, Anni
JURNAL AGRO NUSANTARA Vol. 5 No. 2 (2025): JURNAL AGRONUSANTARA
Publisher : Fakultas Pertanian Universitas Muslim Nusantara Al Washliyah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32696/jan.v5i2.5018

Abstract

Phosphorus is one of the essential macronutrients that plays a crucial role in the growth and productivity of maize (Zea mays L.). The use of natural phosphate as an alternative phosphorus source, when combined with nitrogen (urea) and potassium (KCl) fertilizers, has the potential to enhance crop yield. This study aimed to evaluate the effect and determine the optimal dosage of natural phosphate in combination with urea and KCl on the growth and yield of maize. The experiment was conducted from February to May 2025 using a Randomized Complete Block Design (RCBD) with the following treatments: A (control), B (single NPK), C; (1/4 P) + NK, D; (1/2 P) + NK, E; (3/4 P) + NK, F; (1 P) + NK, G; (1 1/4 P) + NK, H; (1 1/2 P) + NK, I; (1 3/4 P) + NK dan J; (2 P) + NK. The results showed that the combination of natural phosphate with urea and KCl had a significant effect on all growth parameters and corn yields. The highest results were obtained by providing 225 kg/ha of natural phosphate, 300 kg/ha of urea, and 150 kg/ha of KCl, with a corn yield of 16.04 tons/ha.
Serapan Tembaga (Cu) Dan Hasil Tanaman Tomat Sebagai Respons Terhadap Pemupukan N, P, K Dan Pupuk Majemuk Mikro Pada Inceptisols Jatinangor Sofyan, Emma Trinurani; Solihin, Eso; Citraresmini, Ania; Widiantini, Fitri; Utami, Rahma Dyah
Agrifor : Jurnal Ilmu Pertanian dan Kehutanan Vol 25, No 1 (2026): Maret 2026
Publisher : Universitas 17 Agustus 1945 Samarinda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31293/agrifor.v25i1.9369

Abstract

Secara umum, Inceptisols merupakan jenis tanah dengan kondisi kesuburan yang masih terbatas terutama terkait ketersediaan unsur hara mikro, sehingga dapat membatasi pertumbuhan dan hasil tanaman tomat. Praktik pemupukan yang hanya mengandalkan unsur hara makro sering kali belum mampu mencapai produktivitas optimal apabila tidak didukung oleh pupuk majemuk mikro, khususnya tembaga (Cu). Penelitian ini dirancang untuk mengevaluasi pengaruh pupuk N, P, K yang dikombinasikan dengan pupuk majemuk mikro melalui aplikasi foliar terhadap penyerapan Cu dan hasil tanaman tomat (Solanum lycopersicum L.) pada Inceptisols di Jatinangor, serta menentukan kombinasi pupuk yang paling efektif. Percobaan dilaksanakan pada bulan September hingga Desember 2025 di Lahan Percobaan Cileles, Fakultas Pertanian, Universitas Padjadjaran. Penelitian disusun menggunakan rancangan acak kelompok dengan enam perlakuan dan empat ulangan, yaitu tanpa pupuk (kontrol); 1 dosis rekomendasi N, P, K; 1 N, P, K + ½ majemuk mikro; 1 N, P, K + 1 majemuk mikro; 1 N, P, K + 1½ majemuk mikro; serta ¾ N, P, K + 1 majemuk mikro. Hasil penelitian mengindikasikan bahwa pemberian kombinasi pupuk N, P, K dan pupuk majemuk mikro memberikan pengaruh nyata terhadap peningkatan serapan Cu serta hasil tanaman tomat. Perlakuan berupa ¾ dosis N, P, K yang dikombinasikan dengan 1 dosis pupuk majemuk mikro menghasilkan penyerapan Cu tertinggi sebesar 25,71 mg tanaman⁻¹ serta komponen hasil terbaik, meliputi bobot buah per petak 10,42 g, bobot buah rata-rata 58,75 g, dan diameter buah 45,6 mm.