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All Journal Agrifarm Innovative: Journal Of Social Science Research
Gaib, Yulia Oliviana
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Dampak Rotasi Tanaman Terhadap Kesuburan Tanah dan Produksi Tanaman di Lahan Pertanian Subur Tropis Ngabito, Afrianti; Gaib, Yulia Oliviana
Innovative: Journal Of Social Science Research Vol. 5 No. 4 (2025): Innovative: Journal Of Social Science Research
Publisher : Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/innovative.v5i4.20440

Abstract

This study aims to analyze the effect of crop rotation on soil fertility and productivity of agricultural products in the fertile tropical land of the North Gorontalo region. The method used was a field experiment with a random group design (RAK), using a combination of rotation of maize, peanuts, and sweet potatoes during the two growing seasons. The parameters observed included soil pH, C-organic content, macronutrients (N, P, K), soil microorganism activity, and main crop yields. The results of the study show that the crop rotation system has a significant influence on improving soil quality and production yields compared to monoculture systems. Rotations involving leguminosa plants specifically increase soil nitrogen levels and microbial activity, as well as stabilize soil pH. Meanwhile, corn crop yields increased by 20% on rotated land compared to non-rotational land. This study concludes that crop rotation is an effective and sustainable strategy in maintaining and increasing the fertility of fertile tropical soils. The novelty of the research lies in the application of local plant-based rotation patterns in areas that have not been widely studied scientifically. These findings are expected to be a reference in the development of regenerative agricultural systems that are adaptive to tropical ecosystem conditions.
Local Knowledge and Adaptive Strategies of Farmers to Deal with Spodoptera Frugiperda in Corn: Pengetahuan Lokal Dan Strategi Adaptif Petani Menghadapi Spodoptera Frugiperda Pada Jagung Gaib, Yulia Oliviana
Agrifarm : Jurnal Ilmu Pertanian Vol 14 No 2 (2025): Desember
Publisher : Universitas Widya Gama Mahakam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24903/ajip.v14i2.3839

Abstract

Spodoptera frugiperda (FAW) is the main threat to the early vegetative phase of corn in North Gorontalo. This research aims to develop a typology of adaptive strategies based on local knowledge, serving as the foundation for contextual and affordable PHT recommendations. The qualitative approach is employed through a combination of focused ethnography, Participatory Rural Appraisal (PRA), and Grounded Theory analysis. Data were collected in three sub-districts (Kwandang, Gentuma Raya, Atinggola) through 28 in-depth interviews, 7 FGDs, 5 PRA sessions, and 9 farm-walks with purposive snowball sampling. The results indicate the presence of a "practical threshold" used by farmers: checking 20 random plants/beds every 5–7 days and acting if ≥5 plants are symptomatic or damaged yields a score of 3–4. Thematic coding resulted in three adaptive strategies: preventive (simultaneous planting, garden cleanliness, intercrops/cover crops), reactive (ash/sand shoots treatment, selective spray), and integrative (simple monitoring → plant treatment → measurable spray with MOA rotation). The ranking matrix places simultaneous planting, observation-based spraying, and simple monitoring as the most effective strategies according to farmers. The main obstacles include the simultaneous planting, limited scouting personnel, high cash costs, and a lack of affordable monitoring equipment. The drivers are group leadership, regular meetings, and small demonstration plots. The research resulted in a 6-step protocol that was agreed upon at the group/overlay level and was well-received because it was simple. The findings emphasized the need to strengthen monitoring, simultaneous planting coordination, and information curation (WA kiosk extensions) so that adaptive practices develop into collective habits.
Co-Authors Ngabito, Afrianti