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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.