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การใช้แผ่นเทียบสีใบข้าวจัดการปุ๋ยไนโตรเจนในข้าวสุพรรณบุรี 1 ปลูกแบบหว่านน้ำตม Thai Agricultural
Surapol Chatuporn; Amornrat Intrman; Walaiporn Sanvong; Nittaya Ruensuk.
Two methods of nitrogen management of broadcast wet-seeded rice in SPR1 with Leaf Color Chart (LCC) had been demonstrated compared with farmer fertilizer's practice in 6 farmer fields in Suphan Buri province during dry and wet season, 2003. The results showed that LCC produced yield of 605 and 616 kg/rai whereas farmers’ practice produced only 594 kg/rai and also consumed 28-48% less N fertilizer and gained more yield per nitrogen unit than those of farmers’ practice. Moreover, LCC took only 3.80 baht/kg of total fertilizer input cost and gained 602-614 baht of net benefit whereas the farmers’ practice needed 4.20 baht/kg and gave only 363.50 baht net benefit. Thus, nitrogen management with LCC reduces a lot of input cost and imported urea fertilizer.
Tipo: Collection Palavras-chave: Leaf color chart (LCC); Nitrogen management; SPR1; Broadcast wet-seeded rice; Cost production; Yield; ข้าว; การจัดการธาตุไนโตรเจน; พันธุ์สุพรรณบุรี 1; นาหว่านน้ำตม; ต้นทุนการผลิต; ผลผลิต; แผ่นเทียบสีใบข้าว; นาเกษตรกร; การใส่ปุ๋ย; ปุ๋ยไนโตรเจน.
Ano: 2008 URL: http://anchan.lib.ku.ac.th/agnet/handle/001/5098
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เปรียบเทียบระบบการปลูกข้าวแบบ 2 ครั้ง/ปี และ 3 ครั้ง/ปี ในเขตนาชลประทาน Thai Agricultural
Nittaya Ruensuk; Sukanya Binamud.
Rice cropping system in irrigated area are rice-rice continuous cultivation. Farmers try to grow rice more than 2 crops/year. Nowadays there are no break even data. The aim of this research to compare economic data between 2 crops/year and 3 crops/year rice cropping system. Experiments were conducted in farmer’s field at Lumlukka district Pathum Thani province in 2011. There were 3 experiments : using the same variety, changed variety every season and changed variety every season with short duration rice variety in the rice cropping system. Each experiment consisted of 2 treatment: 2 crops/year and 3 crops/year rice cropping system. The result shown that 2 crops/year rice cropping system gave lower total yield and income than growing rice 3 crops/year...
Tipo: Collection Palavras-chave: Rice; Irrigation area; Rice cropping system; Yield; Income; ข้าว; นาชลประทาน; ระบบการปลูกข้าว; นาเกษตรกร; ผลผลิต; รายได้; จ.ปทุมธานี อ.ลำลูกกา.
Ano: 2012 URL: http://anchan.lib.ku.ac.th/agnet/handle/001/5324
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