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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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การเปลี่ยนแปลงประชากรของแมลงศัตรูข้าวที่สำคัญในจังหวัดเชียงราย จากผลกระทบของสภาวะภูมิอากาศที่เปลี่ยนแปลง Thai Agricultural
Kornsiri Srinil; Nootjarin Jungkhun; Tarapron Yuenyong; Kuntera Kanta; Antika Tonmit; Netnapa Pumhan.
Study about the accordance of rice insect pests from the light trap and the research data of insects in the rice seed of San-pah-tawng 1 (weak) and that of SuphanBuri 1 (resistant) was conducted from the year 2011 to 2013 at the Chiang Rai Rice Research Center. It’s found that the rice insect pests entrapped by the light trap being increased from the year 2007 to 2010. That in May, 2011, 4,779 zigzag leafhoppers were mostly found; in March, 2012, 19,248 whitebacked planthoppers were mostly found and; in May, 2013, 19,047 zigzag leafhoppers were mostly found. In the paddy field, rice insect pests were found in the rice seed of San-pah-tawng 1 more than that of Suphan Buri 1. In the In-season rice of the year 2011, the White backed planthoppers were mostly...
Tipo: PhysicalObject Palavras-chave: Whitebacked planthoppers; Brown planthoppers; Light trap; Climatic change; Rice; Sanpatong 1 variety; Suphanburi variety; Weak variety; Resistant variety; Insect pest; Natural enemies; Survey; Damage; Population dynamics; Chiangrai province; เพลี้ยกระโดดหลังขาว; เพลี้ยกระโดดสีน้ำตาล; ข้าว; พันธุ์สันป่าตอง 1; พันธุ์สุพรรณบุรี 1; พันธุ์อ่อนแอ; พันธุ์ต้านทาน; การสำรวจแมลงศัตรูพืช; กับดักแสงไฟ; การเปลี่ยนแปลงสภาพภูมิอากาศ; ภาวะโลกร้อน; การทำลายของแมลงศัตรูพืช; การประเมินความเสียหาย; การทำลายของแมลงศัตรูพืช; จ.เชียงราย.
Ano: 2014 URL: http://anchan.lib.ku.ac.th/agnet/handle/001/5696
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Physical properties of direct expansion extruded snack in utilization from Thai brown rice Thai Agricultural
Chulaluck Charunuch; Pracha Boonyasirikool; Chowladda Tiengpook.
Thai brown rice from two varieties (Patumthani 1 and Supanburi 1) were investigated for basic raw materials in the production of direct expansion extruded snack by twin screw extruder at varying feed moisture (13, 15 and 17%) and screw speed (250, 300 and 350 rpm) in a 3 × 3 factorial in randomized complete block design. Results indicated that main factor (feed moisture or screw speed) had significant effect on physical properties of extrudates by showing that reducing feed moisture or increasing screw speed provided more expandable extrudate with higher expansion ratio, lower bulk density, higher water solubility index and broad peak in texture measurements, which similar results in both varieties of brown rice. The appropriate brown rice extruded snack...
Tipo: PhysicalObject Palavras-chave: Extruded snack; Thai brown rice; Physical properties; Patumthani 1; Supanburi 1; ขนมขบเคี้ยว; ข้าวกล้อง; คุณสมบัติทางกายภาพ; พันธุ์ปทุมธานี 1; พันธุ์สุพรรณบุรี 1.
Ano: 2003 URL: http://anchan.lib.ku.ac.th/agnet/handle/001/5258
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