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ระยะการเก็บเกี่ยวและระดับความสูงของตอซังข้าวหลักที่เหมาะสมในการผลิตข้าวแบบล้มตอซังในจังหวัดนครศรีธรรมราช Thai Agricultural
Charan Thongjue; Montana Rujirasak; Suwanasa Choocherd.
Study to determine the appropriate of harvesting time and main crop stubble height for stubble-lodging rice ratooning method was conducted at farmers’ fields in Dontro subdistrict, Chalermprakiat district, Nakorn Si Thammarat province, from January to September 2011. Rice cultivar named Phitsanulok 2 was used in this experiment at the seed rate of 20 kg/rai by wet broadcast seeding for the main crop. The experiment was designed in split plot with 4 replication. The main plot was 2 groups of harvesting times: 28 and 34 days after 80 % flowering. The subplots was 3 groups of stubble height: 5-10, 20-25, and 40-45 cm. Plot size was 10x10 m2. Stubble lodged was done by driving a towing tractor with tires wheels. Wet broadcast seeding rice was conducted in the...
Tipo: Collection Palavras-chave: Rice; Stubble rice; Ratoon rice; Direct sowing; Broadcasting rice; ข้าวล้มตอซัง; การหว่าน; ข้าวนาหว่าน; ระยะเวลาเก็บเกี่ยว; ความสูงตอซัง; นาหว่านน้ำตม.
Ano: 2012 URL: http://anchan.lib.ku.ac.th/agnet/handle/001/5352
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อิทธิพลของวิธีการย้ายกล้าในระบบการปลูกข้าวอินทรีย์ Thai Agricultural
Tiravut Larptrakul; Sudarut Tripetchkul; Saengchai Akepratumchai; Songpon Koonsrisuk.
Objective of the present study was to investigate influence of transplanting methods, namely, parachute” and wet seeded culture, on growth, i.e., height and tiller number/bunch, incidence of disease outbreak, soil quality and yield of “Hommali 105” rice cultivated organically. Results showed that the transplanting methods played insignificant role on growth as well as the incidence of disease outbreak (p0.05). However, the “parachute” transplanting method led to higher tiller numbers/bunch and rice yield than that obtained with the wet seeded method, 27 against 5 tillers/bunch (p<0.05) and 1.7 folds, respectively. Further, during cultivation, soil qualities in terms of pH and content of organic matter, nitrogen and potassium appeared to be comparable...
Tipo: PhysicalObject Palavras-chave: Rice; Wetland rice; Tillering; Yield; Parachute; Organic paddy rice farming; ข้าวนาหว่าน; การแตกกอ; ผลผลิตข้าว; นาโยนกล้า; วิธีการย้ายกล้า; ระบบการปลูกข้าวอินทรีย์.
Ano: 2012 URL: http://anchan.lib.ku.ac.th/agnet/handle/001/5451
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