ABSTRAKThe maximum rate for each nutrient was 160,4-43,7-124,9 kg N-P2O5-K2O ha -1 . Fertilizer recommendation based on P threshold (no P) was 36,7-0,0-13,7 kg N-P2O5-K2O ha -1 , K threshold (no K) was 22,0-0,0-0,0 kg N-P2O5-K2O ha -1 , and no fertilizer needed on N threshold. The optimum rate fertilizer based on the yield vs. cost rule, therefore, the most economical recommendation would be 160,4-43,7-124,9 kg N-P2O5-K2O ha -1 .
<p><em></em><em>Sorghum (Sorghum bicolor L. Moench) is prospective crop for food as well as feed and bioenergy. It adapts to wide agroclimate and agroecology. However, the productivity is accounted low in Indonesia. Low productivity of sorghum can be enhanced through intensification, e.g., precise dose of nitrogen and phosphorus fertilizers application. The aim of this research was to determine the optimum dose of nitrogen and phosphorus fertilizers to maximize growth and yield of sorghum in latosol soil, in order to develop fertilizer recommendation on specific soil type. The research was conducted at Cikarawang, Bogor from March to July 2015. Nitrogen and phosphorus fertilizers were arranged and applied simultaneously using randomized completely block design with three replications. Nitrogen fertilizer was applied in five levels, i.e., 0, 60, 120, 180, 240 kg N ha-1 and phosphorus levels were 0, 18, 36, 54, 72 kg P2O5 ha-1. Results showed that the application of nitrogen and phosphorus fertilizers significantly increased vegetative growth and yield components. The optimum dose were 161 kg N ha-1 (133.7%) and 43 kg P2O5 ha-1 (121.5%) for latosol soil.<br /><br />Keywords: fertilizer, optimum dose, soil type, vegetative, yield component </em></p>
The accessibility of transportation for people with disabilities in Yogyakarta remains a serious challenge. The city’s public transportation has not yet met the accessibility standard, which in turn prevents persons with disability from social and economic participation. Based on the experience of people with disabilities in Yogyakarta, this paper shows the various barriers they experience in using public transportation. It is hoped that the findings will help the government to develop a policy on public transportation that ensures accessibility for persons with disabilities.[Penyandang difabilitas di Kota Yogyakarta belum sepenuhnya mendapatkan kemudahan dalam mengakses dan memanfaatkan moda transportasi. Salah satunya adalah belum adanya kemudahan dalam mengakses angkutan umum. Hal itu disebabkan oleh fasilitas pada angkutan umum yang masih belum memenuhi standar kemudahan bagi para penumpang penyandang difabilitas. Berbagai permasalahan terkait pemenuhan hak para difabel khususnya dalam bidang transportasi yang ditemukan di dalam penelitian ini dapat dijadikan masukan bagi pemerintah di dalam merumuskan suatu kebijakan yang dapat mengakomodasi kebutuhan para penyandang difabilitas khususnya dalam bidang transportasi.]
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