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Effects of plant spacing and N-fertilizer on crop yields, N2-Fixation, N-Transferred to corn, and carry-over effects of corn-groundnut intercrops Thai Agricultural
Amnat Suwanarit; Jitima Yathapootanont; Sodsai Changsaluk; Chairerk Suwannarat.
7 tables
Palavras-chave: Corn; Maize; Groundnuts; Plant spacing; N fertilizers; Yields; N2 fixation; N transfer; Cropping systems; Carry-over effect; ข้าวโพด; ถั่วลิสง; ระบบการปลูกพืช; ระยะปลูก; ปุ๋ยไนโตรเจน; ผลผลิต; การตรึงไนโตรเจน; การเคลื่อนย้ายไนโตรเจน.
Ano: 1989 URL: http://anchan.lib.ku.ac.th/agnet/handle/001/4354
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การใช้เชื้อไรโซเบียมร่วมกับปุ๋ยเคมีและปุ๋ยอินทรีย์เพื่อเพิ่มผลผลิตและโปรตีนในถั่วเหลือง Thai Agricultural
Pornparn Suddhiyam; Achara Nantakit; Siriluk Jit-aksorn; Jitima Yathaputanon; Somchai Paoblek.
Experiments were conducted to find out the way to improve soybean yield and protein content via nitrate tolerant rhizobium inoculant compared to intolerant inoculant in liquid media (Both inoculants are mixed strains.) accompanied with chemical and organic fertilizers. A randomized complete block design with three replications of 10 treatments was applied. The treatments were 1) no rhizo.+no fert. 2) liquid form of rhizo. only 3) liquid form of rhizo +chemical fert. 12-24-12 (25 kg/Rai) 4) liquid form of rhizo + 12-24-12 (25 kg/Rai) +compost (3,000 kg/Rai) 5) liquid form of rhizo +compost 6) nitrate tolerant rhizo only 7) nitrate tolerant rhizo +12-24-12 (25 kg/Rai) 8) nitrate tolerant rhizo +12-24-12 (25 kg/Rai)+compost 9) nitrate tolerant rhizo +compost...
Tipo: Collection Palavras-chave: Soybean; Nitrate tolerant rhizobium; Compost fertilizer; Chemical fertilizer; Protein content; ถั่วเหลือง; เชื้อไรโซเบียมทนไนเตรท; ปุ๋ยหมัก; ปุ๋ยเคมี; เปอร์เซ็นต์โปรตีน; การตรึงไนโตรเจน; ผลผลิตเมล็ด.
Ano: 2011 URL: http://anchan.lib.ku.ac.th/agnet/handle/001/5157
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การตรึงไนโตรเจนของจุลินทรีย์อิสระในดินและผลกระทบที่มีต่อผลผลิตของข้าวโพดหวานในระบบการปลูกแบบไม่ไถพรวน Thai Agricultural
Arunee Kongsorn; Thongchai Mala; Siwaporn Toopakuntho; Suphachai Amkha.
Experimental design was split plot in randomized complete block design with 4 replications. Main plot consisted of conventional tillage and no tillage while sub plot consisted of 1) control 2) normal rate of chemical fertilizer 3) half rate of chemical fertilizer 4) azotobacter inoculation 5) azospirillum inoculation 6) soybean green manure and 7) mungbean green manure. The results showed no significant of nitrogen fixing microorganisms population, efficiency of nitrogen fixation and yield in various tillage systems, but various types of fertilizers had significant effect on them. The population of azotobacter and azospirillum were increased in application azotobacter and azospirillum treatments. Azotobacter treatment had the highest nitrogen...
Palavras-chave: Sweet corn; Azospirillum; Azotobacter; Nitrogen fixation; No tillage; ข้าวโพดหวาน; อะโซสไปริลลัม; อะโซโตแบคเตอร์; การตรึงไนโตรเจน; จุลินทรีย์ดิน; การไม่ไถพรวน; ปุ๋ยพืชสด; ปุ๋ยเคมี; การใส่ปุ๋ย; ผลผลิต; คุณภาพ.
Ano: 2010 URL: http://anchan.lib.ku.ac.th/agnet/handle/001/4674
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การคัดเลือกและจำแนกชนิดไรโซแบคทีเรียส่งเสริมการเจริญเติบโตของข้าว Thai Agricultural
Waraporn Panyoo; Wichai Kositratana; Sujin Patarapuwadol.
Rhizobacteria were isolated from root and rhizospheric soil of rice collected from rice paddy fields in Nakhon Pathom and Sukhothai provinces. One hundred and sixteen isolates were screened for plant growth promoting properties. Nitrogen fixation property determined based on PCR amplification using primer Salkowski’s reagent and quantified by spectrophotometer at 530 nm. Siderophore production and phosphate solubilization were tested by plating technique in chrome azurol S and Pikovskaya’s medium. Eighty-one percent of isolated rhizobacteria revealed plant growth promoting properties. Sixty percent of rhizobacteria had only one property and 21% of them had more than one of plant growth promoting properties. All of plant growth promoting rhizobacteria which...
Tipo: Collection Palavras-chave: Rhizobacteria; Nitrogen fixation; Plant growth; PGPR; IAA; Siderophore; ข้าว; ไรโซแบคทีเรีย; การตรึงไนโตรเจน; สารเร่งการเจริญเติบโตของพืช; รากข้าว; สารไซเดอโรฟอร์; การละลายฟอสเฟต.
Ano: 2012 URL: http://anchan.lib.ku.ac.th/agnet/handle/001/5416
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