Jurnal Ilmiah Mahasiswa Fakultas Pertanian (JIMFP), Volume 4 Nomor 2 (2024): 435–443

Moh. Reynaldi Pakaya, Nurdin, Iswan Dunggio, Rival Rahman

Universitas Negeri Gorontalo

Abstract

The process of evaluating land's suitability for a particular use, such as finding prospective new land for rice field is known as land evaluation. The purpose of this study was to determine the characteristics, the quality, and the suitability of land parametrically for the development of rice field. This research took place in Moliliulo, Tangga Barito Village, Dulupi District, Boalemo Regency, from March to August 2022. This research used a detailed level survey method where the variables observed were land characteristics in the form of physical properties, and then the chemical properties were analyzed in the laboratory. Furthermore, an analysis of the characteristics and suitability of land for rice field was carried out using a parametric approach. The results of this study indicated that the characteristics and quality of the land in the study area varied greatly from low to high category, starting from climate, land, and soil nutrient availability factors. The research location has 4 land suitability classes for rice field (Oryza sativa L.), namely class 1 (excellent) with an area of 17.52 ha (2.15%), class 2 (good) with an area of 3.08 ha (0. 38%), class 3 (sufficient) with an area of 710.44 ha (87.15%), and class 4 (poor) with an area of 58.15 ha (7.13%).

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Agriland : Jurnal Ilmu Pertanian Vol 12, No 1 (2024) 

Ilyas Djuna, Nurdin Nurdin, Wawan Pembengo, Rival Rahman

Universitas Negeri Gorontalo

Abstract

Penelitian ini bertujuan untuk mengetahui pertumbuhan dan hasil tanaman jagung komposit pada beberapa kelas lereng dan dosis pemupukan di Desa Payu Kabupaten Gorontalo. Waktu pelaksanaan mulai Oktober 2019 sampai Mei 2020. Metode Penelitian menggunakan Rancangan petak terpisah dengan petak utama adalah empat kelas lereng dan anak petak adalah dosis pemupukan dengan 3 perlakuan. Paremeter yang diamati adalah sampel tanah, tinggi tanaman, jumlah daun, umur berbunga jantan dan betina, panjang tongkol, jumlah biji dan berat biji. Analisis data diuji dengan Duncan Multiple Range Test (DMRT) pada taraf signifikan 5%. Hasil penelitian menunjukkan bahwa kelas lereng bergelombang (8-15%) dan pupuk NPK 50 kg/ha mempengaruhi pertumbuhan dan hasil jagung. Terdapat interaksi antara kelas lereng bergelombang (0-8%) dan tanpa pupuk terhadap pertumbuhan dan hasil tanaman jagung komposit.

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