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All Journal Juripol Agro Bali: Agricultural Journal International Journal of Engineering, Science and Information Technology NUSRA: Jurnal Penelitian dan Ilmu Pendidikan
Mazlina, Mazlina
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Pemberian Pupuk Organik Cair Limbah Kulit Pisang Dan Pupuk Kalium Terhadap Pertumbuhan Dan Produksi Tanaman Okra Mazlina, Mazlina; Koryati, Try; Yunidawati, Wiwik
Juripol (Jurnal Institusi Politeknik Ganesha Medan) Vol. 7 No. 1 (2024): Juripol (Jurnal Institusi Polgan)
Publisher : Politeknik Ganesha Medan

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Abstract

Penelitian ini bertujuan untuk mengetahui respon pertumbuhan dan produksi tanaman okra akibat pemberian POC limbah kulit pisang dan pupuk KCl serta nyata tidaknya interaksi kedua faktor tersebut. Penelitian ini dilaksanakan di kebun Percobaan Fakultas Pertanian Universitas Amir Hamzah, mulai dari bulan April 2020 sampai dengan selesai. Bahan yang digunakan dalam penelitian ini adalah benih okra varietas Naila IPB, POC limbah kulit pisang dan polybag serta alat lainnya yang dibutuhkan. Rancangan yang digunakan dalam penelitian ini adalah Rancangan Acak Kelompok (RAK) pola faktorial 3 x 4 dengan 3 ulangan. Faktor yang diteliti meliputi konsentrasi pupuk organik cair limbah kulit pisang dan Pupuk KCl. Faktor konsentrasi POC limbah kulit pisang (P) terdiri dari 3 taraf yaitu P1 = 10 ml/liter air, P2 = 20 ml/liter air dan P3 = 30 ml/liter air, sedangkan factor kedua adalah dosis pupuk KCl (K), yang terdiri dari 4 taraf yaitu K0 = Tanpa pupuk (0 g/plot), K1 = 10 g KCl/plot, K2 = 20 g KCl/plot dan K3 = 30 g KCl/plot. Peubah yang diamati adalah tinggi tanaman, jumlah daun, jumlah buah dan berat buah tanaman okra. Hasil uji F pada analisis sidik ragam menunjukkan bahwa konsentrasi POC limbah kulit pisang tidak berpengaruh nyata terhadap tinggi dan jumlah daun tanaman okra pada umur 2, 4 dan 6 MST, namun telah memberi pengaruh nyata terhadap tinggi dan jumlah daun pada umur 8 MST, jumlah buah, dan berat buah per tanaman. Ada terdapat interaksi antara konsentrasi POC limbah kulit pisang dan pupuk KCl terhadap tnggi tanaman, jumlah helaian daun pada umur 8 MST, jumlah buah dan berat buah okra yang diamati.
PENERAPAN MODEL PEMBELAJARAN KOOPERATIF TIPE STUDENT TEAM ACHIEVEMENT DIVISION (STAD) UNTUK MENINGKATKAN PRESTASI BELAJAR BIOLOGI SISWA KELAS XI IPA MA DARUL AMININ NW AIKMUAL Irwansah, Irwansah; Mahariyanti, Ermila; Mazlina, Mazlina; Nurfaizah, Nurfaizah
NUSRA : Jurnal Penelitian dan Ilmu Pendidikan Vol. 4 No. 2 (2023): NUSRA: Jurnal Penelitian dan Ilmu Pendidikan, Mei 2023
Publisher : LPPM Institut Pendidikan Nusantara Global

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55681/nusra.v4i2.922

Abstract

This research was action research conducted at MA Darul Aminin NW Aikmual with research subjects was students of class XI IPA. The material taught is about the digestive system in humans. The research was conducted in two cycles. The results showed that in cycle 1 with an average of 70.50 it did not meet the KKM target of 75 but showed an increase from the pre-cycle, because it had not reached the KKM target it was necessary to carry out the next cycle action, namely cycle 2. cycle 1 showed an increase in student achievement according to the KKM target, which was 78.00. Based on these results, it can be concluded that the STAD type cooperative learning model can improve student achievement in class XI IPA MA Darul Aminin NW Aikmual.
Reevaluation of Land Suitability for Soybean Plants in North Sumatra, Indonesia Handayani, Leni; Mazlina, Mazlina; Riyanti, Riyanti; Ilvira, Rika Fitri; Siregar, Rahma Sari
Agro Bali : Agricultural Journal Vol 8, No 1 (2025)
Publisher : Universitas Panji Sakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37637/ab.v8i1.2057

Abstract

This study was designed to reevaluate the adjustment of land suitability classes. This study was conducted in North Sumatra Province, precisely in 4 regencies, namely Simalungun, Langkat, Deli Serdang, and Serdang Bedagai Regencies. The study used land suitability classes. Related to rooting media and nutrient retention parameters, the results of a semi-detailed land suitability study for soybean plants in Deli Serdang, Serdang Bedagai, and Langkat Regencies showed that the land was only marginally suitable (S3 rc, nr). In Simalungun Regency, efforts were made to increase the suitability of potential land to a marginally suitable class with the rooting media factor (S3 rc) and the water availability and nutrient retention factor (S3 wa, nr). This was done by attempting to increase the adaptability of potential land to a marginal suitability class with a water availability factor (S3 wa). The land suitability class in the research area for soybean plants includes the marginal suitability class (S3), so planting soybean commodities results in less than maximum production with limiting factors of rainfall and nutrition retention. To improve nutrient retention by adding organic materials, the limiting factor of rainfall is relatively high by creating drainage channels.
Effectiveness of Organic Materials as Media in Sulfate Reducing Bacteria Inoculum to Changes on Acid Sulfate Soils Mazlina, Mazlina; S Hanafiah, Asmarlaili; Rauf, A; Sigit Sutarta, Edy
International Journal of Engineering, Science and Information Technology Vol 2, No 1 (2022)
Publisher : Malikussaleh University, Aceh, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (235.712 KB) | DOI: 10.52088/ijesty.v2i1.202

Abstract

Acid sulphate soils (ASS) had low pH, low nutrients availability and also soluble aluminium and iron were high. Inoculum of sulphate reducing bacteria (SRB) which organic matter as media could increased the soil pH, nutrient content and decrease sulfur-total of acid sulfate soils. The research was conducted in a randomized block design with two replications. This study used a randomized block design with two factors and two replications. The first factor was compost inoculum (C) was taken ten treatments from without any  inoculum SRB and 9 treatment with different types and dosages of organic matter as media. The second factor was the water content condition (K) namely of K1: 100% field capacity and K2: 110% field capacity. Different types and dosages of organic matter appear to influence the changes in soil properties (tends to decrease soil sulfate and increase soil pH, and nutrient content levels in soil and plant). Inoculum SRB of palm oil empty bunches and weed gave a higher sulfate reduction compared to C0 (without inoculums) or inoculums with carrier media that used rice straw in water content 100% or 110% field capacity (FC).
Co-Authors Irwansah Leni Handayani Mahariyanti, Ermila Nurfaizah Nurfaizah, Nurfaizah Rauf, A Rika Fitri Ilvira Riyanti Riyanti S Hanafiah, Asmarlaili Sigit Sutarta, Edy Siregar, Rahma Sari Try Koryati Wiwik Yunidawati