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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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