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Alleviating soil acidity through plant organic compounds BABT
Meda,Anderson R.; Cassiolato,Marcelo E.; Pavan,Marcos A.; Miyazawa,Mário.
A laboratory experiment was conducted to evaluate the effects of water soluble plant extracts on soil acidity. The plant materials were: black oat, oil seed radish, white and blue lupin, gray and dwarf mucuna, Crotalaria spectabilis and C. breviflora, millet, pigeon pea, star grass, mato grosso grass, coffee leaves, sugar cane leaves, rice straw, and wheat straw. Plant extracts were added on soil surface in a PVC soil column at a rate of 1.0 ml min-1. Both soil and drainage water were analyzed for pH, Ca, Al, and K. Plant extracts applied on the soil surface increased soil pH, exchangeable Ca ex and Kex and decreased Al ex. Oil seed radish, black oat, and blue lupin were the best and millet the worst materials to alleviate soil acidity. Oil seed radish...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Plant residue; Organic material; Leaching.
Ano: 2001 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132001000200012
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ผลของการใช้วัสดุอินทรีย์ต่อการตอบสนองของข้าวในดินเค็ม Thai Agricultural
Konkanok Paopo; Porntip Srimongkol; Suphasit Sitthaphanit; Wimolnan Kanket.
Rice growth and yield are adversely affected by soil salinity. The application of organic matter is a successful technique for saline soil remediation. The experiment was conducted to determine the effect of different organic materials on the response of rice in saline soil. Experimental design was a randomized complete block with 4 replicates comprised 4 treatments: 1) no organic material application (control) 2) sesbania application at the rate of 1,000 kg/rai 3) rice straw application at the rate of 1,000 kg/rai and 4) sesbania at the rate of 500 kg/rai and rice straw at the rate of 500 kg/rai. The result were shown that sesbania and rice straw treatment had the highest rice dry weight in all growth stages, the highest nutrient uptake at booting stage,...
Tipo: PhysicalObject Palavras-chave: Rice; Sesbania; Rice straw; Organic material; Saline soil; Soil management; Soil amendments; Organic material application; Photosynthesis; Yield; Plant response; Rice production; ข้าว; โสนอัฟริกัน; ฟางข้าว; วัสดุอินทรีย์; ดินเค็ม; การจัดการดิน; การปรับปรุงดิน; การตอบสนองของพืช; การสังเคราะห์แสง; อัตราผลผลิต; การผลิตข้าว.
Ano: 2014 URL: http://anchan.lib.ku.ac.th/agnet/handle/001/5754
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Solubilization of Araxá natural phosphate and decomposition of plant residues by bacterial isolates Ciência e Agrotecnologia
Paredes Filho,Mário Viana; Silva,Adriano Bortolotti da; Florentino,Ligiane Aparecida.
ABSTRACT Brazil imports most of the phosphate fertilizers used in agriculture, however, it has national deposits in its territory that can supply part of the domestic market demand. In order of these to be used effectively, it is necessary to identify techniques to accelerate the release of phosphorus (P) from these rocks. The objective was to evaluate the influence of inoculation with phosphate solubilizing bacterial isolates (PSB) and decomposition of different plant residues in the solubilization of Araxá natural phosphate (ANP). Two experiments were carried out in a completely randomized design in a 5 x 4 factorial scheme, with four replicates. The first experiment evaluated the solubilization of ANP by PSB in culture medium with four different sources...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Diazotrophic bacteria; Organic material; Phosphorus availability in soil; Soil microorganisms.
Ano: 2020 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-70542020000100221
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