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Effects on soil chemical attributes and cotton yield from ammonium sulfate and cover crops Agronomy
Ferrari, Samuel; Furlani Júnior, Enes; Godoy, Leandro José Grava de; Ferrari, João Vitor; Souza, Wilson José Oliveira de; Alves, Elza.
Fertilizer use in no-till systems must be aligned with a correct interpretation of soil chemical attributes and crop demands. The objectives of this work were evaluate the effects of pre-sowing application of ammonium sulfate (AS) and of cover crops on the yields and soil chemical attributes of  no-till cotton (Gossypium hirsutum L. r. latifolium Hutch) over two harvesting years. The experiment was arranged in randomized complete block design, with the plots in strips, and the variables were three cover crops (Raphanus sativus L., Avena strigosa L. and Avena sativa L.) and four AS doses (0, 150, 300, and 450 kg ha-1) applied over millet dry biomass. The cotton in the experimental plots was manually harvested on April 25, 2007 and April 24, 2008. The soil...
Tipo: Info:eu-repo/semantics/article Palavras-chave: 5.01.03.00-8 Gossypium hirsutum; Fertilizer management; Soil fertility; No-till Fitotecnia.
Ano: 2014 URL: http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/17972
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Improved fertilizer and water management practices for irrigated and rainfed lowland rice International Rice Research Institute
Aragon, Ernesto L..
237 l. : ill. Thesis (Ph.D.) -- University of the Philippines at Los Baños
Tipo: Thesis Palavras-chave: Rice; Nitrogen; Fertilizer management; Water management; Lowlands; Irrigated rice; Rainfed lowland rice.
Ano: 1988 URL: http://hdl.handle.net/123456789/1248
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On-farm adaptive maize research in Nakhon Sawan province : Research on fertilizer management 1987 Thai Agricultural
Chollawuth La-ied; Withaya Marsangsan; Sompong Ditsantia; Chaleao Ditsantia; Harrington, L.W..
2 ill., 8 tables
Palavras-chave: Corn; Maize; On farm research; Fertilizer management; Production; Yields; ข้าวโพด; ปุ๋ย; ผลผลิต; ไร่นาเกษตรกร.
Ano: 1987 URL: http://anchan.lib.ku.ac.th/agnet/handle/001/4253
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Soil and fertilizer management in corn-based cropping systems Thai Agricultural
Ring Meesawat; Pramern Vesurai; Tawatchai Na Nagara; Boonguer Poosri; Prasarn Promsoongwong; Pradit Boonampol.
5 tables
Palavras-chave: Corn; Maize; Cropping systems; Soil management; Fertilizer management; Mungbeans; Soybeans; Sorghum; Plant biomass; No tillage; Conventional tillage; ข้าวโพด; ระบบการปลูกพืช; การจัดการดินและปุ๋ย.
Ano: 1989 URL: http://anchan.lib.ku.ac.th/agnet/handle/001/4356
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การจัดการดินและปุ๋ยในระบบการปลูกพืชที่มีข้าวโพดเป็นพืชสอง Thai Agricultural
Chollawuth La-ied.
12 tables
Palavras-chave: Corn; Maize; Cropping systems; Soil management; Fertilizer management; Second crop; ข้าวโพด; ระบบการปลูกพืช; การจัดการดิน; การจัดการปุ๋ย.
Ano: 2004 URL: http://anchan.lib.ku.ac.th/agnet/handle/001/4216
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การจัดการปุ๋ยสำหรับการปลูกล่าช้าภายใต้สภาวะอากาศเปลี่ยนแปลงในนาน้ำฝน Thai Agricultural
Patcharaporn Rakchum; Sumret Suntara; Angkana Kantajan; Kunlaya Boonsanga.
High variation occurs due to climate changes includes low rainfall and uncertain distribution pattern. This affects rice production system. Farmers currently adjust their production system in order to minimize risks of crop losses. This study aims to develop the most suitable cultural practices and chemical fertilizer application for delayed transplanting crop. The adjusted production system to deal with the climate change includes a choice of varieties, cultural practices, water management, and nutrient management. The results from the farmers' interview at the beginning of the project indicated that most farmers faced the problem related to insufficient amount of water for the whole cropping season, late rainfall, dry spell or even drought problem. The...
Tipo: PhysicalObject Palavras-chave: Rice production; Delayed transplanting; Climate Changes; Rice varieties; Cultivations; Water managements; Photoperiod sensitive; Rainfed rice; Late transplanting; Fertilizer management; การจัดการผลิตข้าว; การปักดำล่าช้า; การเปลี่ยนแปลงภูมิอากาศ; พันธุ์ข้าว; การเขตกรรม; การจัดการน้ำ; ข้าวไวต่อช่วงแสง; ข้าวนาน้ำฝน; การจัดการปุ๋ย.
Ano: 2014 URL: http://anchan.lib.ku.ac.th/agnet/handle/001/5634
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