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Duangporn Vithoonjit. |
Chainat Province, rice growing areas could be divided by the potential suitability of the soil at 3 levels were very reasonable (soil group 3, 4, 7 and 15) suitable medium (Soil group 6, 17, 18, 21, 22, 24 and 25) and less appropriate. (Soil group 31b, 35b and 55b). Survey and data collection of cultivated rice farmers. Chainat Province Year 2550-2552 included 920 cases showed that rice grown in Chai Nat province has at least nine varieties are consisting PTT 1, CNT 1, PSL 2 ,SPR 1, SPR 3, SPR 60, CNT 80(RD29), PTT 80(RD31) and KDML105 scattered throughout the region. Divided into two groups: rice photoperiod sensitivity (97.93%) were PTT 1, CNT 1, PSL 2, SPR 1, SPR 3, SPR 60, CNT 80(RD29) and PTT80 (RD31). Average yield 774 kg/rai. And rice photoperiod... |
Tipo: Collection |
Palavras-chave: Rice potential zoning; Rice zoning; Chainat province; ข้าว; การจัดเขตการผลิตข้าว; ศักยภาพการผลิตข้าว; ความเหมาะสมของดิน; คุณสมบัติทางเคมีของดิน; ความอุดมสมบูรณ์ของดิน; การใส่ปุ๋ย; ต้นทุน; เทคโนโลยีที่เหมาะสม; จ.ชัยนาท. |
Ano: 2011 |
URL: http://anchan.lib.ku.ac.th/agnet/handle/123456789/3084 |
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Chairat Channoo; Narisra Jumroonwong. |
Survey in paddy field in 2013 amount 54 fields as follow : Mueang Chai Nat 13 fields, Manorom 6 fields, Watsing 5 fields, Sapphaya 7 fields, Sankaburi 9 fields, Hankha district 10 fields, Nakhonsawan 1 field, Uthithani 1 field, Singburi 1 field and Suphanburi province 1 field. We begin survey at 15 days after planting to 90 days and used outbreak data sets by week from Department of Agricultural Extension for decision. The survey results show that brown planthopper high in 2 times per year. The first time is in February to March in Mueang Chai Nat and Hankha district because of brown planthopper outbreak in Suphanburi, migrated to Hankha district and influence of southern wind. The second time is in July to August in Mueang Chai Nat, Hankha and Sankaburi... |
Tipo: PhysicalObject |
Palavras-chave: Paddy field; Rice production; Brown plant hopper; Migration; Forecasting model; Nilaparvata lugens; Outbreak; Products damage; Pest monitoring; Chainat province; แบบจำลองทางคณิตศาสตร์; การเคลื่อนย้ายประชากร; เพลี้ยกระโดดสีน้ำตาล; นาข้าว; การปลูกข้าว; การระบาดของแมลงศัตรูพืช; การพยากรณ์เตือนภัยการระบาด; ความเสียหายของผลผลิต; การสำรวจข้อมูล; จ.ชัยนาท. |
Ano: 2014 |
URL: http://anchan.lib.ku.ac.th/agnet/handle/001/5678 |
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