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ความเป็นไปได้ของการใช้สารปรับปรุงดินเพื่อลดก๊าซเรือนกระจกและขณะเดียวกันรักษาผลผลิตข้าว: รายงานการวิจัยฉบับสมบูรณ์ Thai Agricultural
Patcharee Saenjan; Daungsamorn Tulapithak; Kasuyuki Inbuchi.
Field experiment was conducted in farmer’s rice field with loamy soil in Khon Kaen province, northeast of Thailand during to study the effect of different levels of sulfate (SO42-) on methane emission and rice yield. SO42- was applied at the rate of 0, 50, 100, and 210 kg SO42- ha-1 by using ammonium phosphate (42% SO42-) with balanced amount of 80 kg N, 100 kg P2O5 and 80 kg K2O ha-1 by adding various fertilizers. The experiment was laid out in randomized completely block design (RCBD) with tripled replication. CH4 flux was measured every week by using closed chambers method. Global warming potential (GWP) was also calculated. Soil samples were collage at each growth stage to determine SO42-, NH4+ and Fe2+. Rice yield was measured at harvest. The...
Tipo: PhysicalObject Palavras-chave: Rice; Paddy soil; Rice production; Rice yield; Sulfate; Global warming potential; GWP; Methane; Feasible soil; Greenhouse gas emission; ข้าว; ดินนา; การผลิตข้าว; ภาวะโลกร้อน; ก๊าซมีเทน; ก๊าซเรือนกระจก; การปลดปล่อยก๊าซมีเทน; สารปรับปรุงดิน; ปุ๋ยซัลเฟต; การลดปริมาณก๊าซมีเทน; จ.ขอนแก่น.
Ano: 2011 URL: http://anchan.lib.ku.ac.th/agnet/handle/001/5715
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รอยเท้าคาร์บอนจากระบบการปลูกข้าวที่สำคัญของประเทศไทย: ย้อนรอยการวัดการปลดปล่อยก๊าซมีเทนจากนาข้าวในประเทศไทย Thai Agricultural
Benjamas Rossopa; Chitnucha Buddhaboon; Kingkaew Kunket; Waraporn Wongboon; Apiwat Hantanapong; Samran Inthaleang; Noppadol Prayoonsuk.
Measurement of methane emission from rice production systems is a methodology for data collection of Carbon Footprint from rice production system. Four major rice production systems were defined for methane emission measurement in 2012, including upland rice, rainfed rice, irrigated rice with good agricultural practices (GAP) and irrigated rice with alternative wet and dry (AWD). Gas samples were taken one week interval and analyzed by Gas Chromatograph; GC-8A as soon as possible after collection. The research found that upland rice could absorb CH4 at the rate of 0.176 kg methane rai-1 season-1. Rainfed rice production system in Northeast Thailand emitted CH4 at the rate of 85.26 kg rai-1 season-1 under transplanting and 51.64 kg rai-1 season-1 under...
Tipo: PhysicalObject Palavras-chave: Carbon footprint; Emission; Rice production; Rice; Greenhouse gas; Irrigated rice; Rainfed rice; Upland rice; Methane emission; Good agricultural practices; CH4; Climatic factors; รอยเท้าคาร์บอน; การปลดปล่อยก๊าซมีเทน; การผลิตข้าว; ข้าว; ก๊าซเรือนกระจก; นาชลประทาน; นาน้ำฝน; นาที่สูง; ระบบนาข้าว; การจัดการแบบเกษตรดีที่เหมาะสม; การดูดซับก๊าซมีเทน; นาไร่; นาขั้นบันได; คาร์บอนไดออกไซด์; ก๊าซมีเทน.
Ano: 2013 URL: http://anchan.lib.ku.ac.th/agnet/handle/001/5714
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