Paddy Soil Test Kit is one of the appropriate instruments to determine the nutrient status of lowland paddy and preparation of site-specific fertilization recommendations to increase rice productivity. Agriculture extension agents as technology transfer agents have a strategic role. Technical Guidance is needed to improve knowledge of agriculture extension. This study aims to analyze the level of knowledge of agricultural instructors on Technical Guidance use of Paddy Soil Test Kit and Preparation of Site-Specific Fertilization Recommendations. Data collection was carried out before and after implementation of Technical Guidance through direct interviews with a questionnaire guide. The evaluation was carried out on all participants of technical guidance, totaling 32 extension workers from representatives of 11 sub-districts throughout Bengkulu Selatan Regency by providing pretest and posttest to determine the increase in knowledge of Technical Guidance participants. The level of knowledge of participants is calculated using index % formula. The significance of increasing knowledge of technical and technical training participants was analyzed using non-parametric Wilcoxon Match Pairs Test statistical analysis. Correlation test to determine level of knowledge on age, experience, and education. Results of the analysis showed that there was a very significant increase (<0.05) in the knowledge of officers after the implementation of technical guidance from an index of 52.58% (low category) to 84.83% (high category). There is no correlation between increasing knowledge about Paddy Soil Test Kit with age (sig > 0.05) which is 0.571, experience 0.661, and education 0.130.
Jagung (Zea mays L.) merupakan salah satu jenis tanaman pangan yang penting sebagai sumber karbohidrat selain padi dan gandum. Upaya untuk meningkatkan produksi yang tinggi selain dengan pemberian pupuk berimbang adalah dengan cara pembumbunan tanaman. Penelitian ini bertujuan untuk menganalisis produksi jagung dengan penerapan teknologi pembumbunan dan analisis pendapatan usahatani serta kelayakan usahatani petani jagung. Penelitian ini dilaksanakan di Desa Ganjuh Kecamatan Pino Kabupaten Bengkulu Selatan dari Bulan Juli sampai Bulan Desember 2021 pada lahan milik petani dengan luasan 0,2 ha. Pengumpulan data berupa data primer dan sekunder dilakukan dengan mengambil data ubinan dan pencatatan data input dan data output selama penelitian. Data hasil produksi dianalisis secara deskriptif, sementara pendapatan dan kelayakan usaha tani menggunakan R/C Ratio. Hasil produksi jagung dengan perlakuan pembumbunan lebih tinggi 33 kg dibanding hasil produksi tanpa pembumbunan yaitu 660 kg atau 6,6 ton/ha. Hasil analisis terhadap pendapatan petani jagung dengan penerapan teknologi pembumbunan jika dikonversikan dalam produktivitas usahatani jagung perhetar sebesar Rp. 19.675.000,-/ha/musim dengan harga jual Rp.5.000/kg. Hasil analisis kelayakan usahatani berdasarkan R/C Ratio 1,50 dan B/C Ratio 0,75. Sementara untuk pendapatan petani jagung yang tanpa melakukan pembumbunan lebih tinggi, yakni sebesar 1.350.200,- dengan RC Ratio 1,76 dan BC Ratio 0,76. Berdasarkan nilai RC Ratio lebih besar dari satu (R/C > 1), maka usahatani dengan penerapan pembumbunan dan tanpa pembumbunan layak diusahakan
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