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      Penggunaan Model Simulasi untuk Menganalisis Produktivitas dan Kebutuhan Air Tanaman Kedelai di Kabupaten Banyuwangi

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      Date
      2021
      Author
      Khaerani, Nissa Putri
      Handoko
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      Abstract
      Tanaman kedelai merupakan salah satu komoditas tanaman yang sangat penting karena mengandung sumber protein nabati paling populer bagi masyarakat Indonesia. Namun, produksi kedelai lokal belum dapat memenuhi kebutuhan kedelai nasional mengakibatkan impor kedelai meningkat. Salah satu upaya yang dapat dilakukan yaitu penentuan waktu tanam yang tepat untuk mendapatkan produksi yang optimal. Analisis produktivitas tanaman kedelai dapat menggunakan model simulasi yang terdiri dari tiga submodel yaitu, pertumbuhan, perkembangan, dan neraca air. Data yang digunakan adalah data cuaca harian sebagai masukan model. Nilai perbandingan antara hasil model dengan data observasi lapang menunjukkan akurasi model sebesar 99% untuk wilayah Banyuwangi. Estimasi kebutuhan air tanaman kedelai memerlukan air sebesar 2,4-12 mm/hari dengan kebutuhan air terbanyak pada fase generatif. Produktivitas tanaman kedelai memiliki nilai tertinggi pada bulan November-Januari dan nilai terendah pada bulan Juli-September. Selain itu, model simulasi tanaman kedelai melakukan analisis terhadap perubahan iklim khususnya saat terjadi kenaikan suhu, penurunan produktivitas sebesar 2-12% dapat terjadi bila kenaikan suhu sebesar 0,7 ℃.
       
      Soybean is a very important crop commodity because it contains the most popular source of vegetable protein for Indonesians. However, local soybean production has not been able to meet national soybean needs, resulting in increased soybean imports. One of the efforts that can be done is determining the right planting time to get optimal production. Analysis of soybean plant productivity can use a simulation model which consists of three sub-models, which are, growth, development, and water balance. The data used are daily weather data as an input model. The comparison value between the model and the field observation data shows the model is 99% for Banyuwangi. Estimated water needs of soybean plants require water of 2,4-12 mm/day with the most water needs in the generative phase. Soybean productivity has the highest value in November-January and the lowest value in July-September. In addition, the soybean plant simulation model analyzes climate change, especially when there is an increase in temperature, a decrease in productivity of 2-12% can occur if the temperature increase is 0,7 ℃.
       
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      http://repository.ipb.ac.id/handle/123456789/107046
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      • UT - Geophysics and Meteorology [1720]

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      Copyright © 2020 Library of IPB University
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      Indonesia DSpace Group 
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