Zobrazeno 1 - 10
of 31
pro vyhledávání: '"Mário Miyazawa"'
Autor:
Laércio Ricardo Sartor, Alceu Luiz Assmann, Tangriani Simioni Assmann, Paulo Egidio Bigolin, Mário Miyazawa, Paulo Cesar de Faccio Carvalho
Publikováno v:
Revista Brasileira de Ciência do Solo, Vol 36, Iss 2, Pp 661-669 (2012)
Swine residue (SR) applied as nutrient source of crops such as corn, bean, soybean and wheat, besides representing an environmental-friendly way of disposing of organic waste resulting from swine production, may significantly increase grain yields, r
Externí odkaz:
https://doaj.org/article/b71e4a0c31a642c3ac242e63c6e335da
Autor:
Ednaldo da Silva Araújo, Tatiana Marsola, Mário Miyazawa, Luís Henrique de Barros Soares, Segundo Urquiaga, Robert Michael Boddey, Bruno José Rodrigues Alves
Publikováno v:
Pesquisa Agropecuária Brasileira, Vol 44, Iss 7, Pp 769-776 (2009)
O objetivo deste trabalho foi calibrar uma câmara prática e de baixo custo, para quantificar a amônia volatilizada do solo. A calibração da câmara foi realizada pela técnica do balanço do isótopo 15N. A amônia volatilizada foi capturada por
Externí odkaz:
https://doaj.org/article/ddd91759f1ad48f392b527e030c6c929
Publikováno v:
Brazilian Archives of Biology and Technology, Vol 52, Iss 1, Pp 11-15 (2009)
This work evaluated the effect of the natural organic acids on the uptake of Ca by the wheat roots in a hydroponic solution. The following organic acids were evaluated: citric, oxalic, tartaric, malic, malonic, maleic, DL-malic, p-hydroxybenzoic, aco
Externí odkaz:
https://doaj.org/article/6751d8ea4f28441b83092d7e6f628802
Publikováno v:
Brazilian Archives of Biology and Technology, Vol 48, Iss 4, Pp 643-646 (2005)
Laboratory experiments were conducted to re-evaluate the effects of drying and the time between drying and Mn analysis on soil Mn solubility using maize seedlings as test plant. Samples of five soil types were collected in the field, transferred to l
Externí odkaz:
https://doaj.org/article/bbcebaa4cff74220b58b2045c77986af
Publikováno v:
Brazilian Archives of Biology and Technology, Vol 47, Iss 3, Pp 381-386 (2004)
The objective of this study was to evaluate if cover crops can absorb P from the upper layers and transport it in their roots to subsoil layers. Samples of an Oxisol were placed in PVC columns. Super phosphate fertilizer was applied to the 0-10 cm so
Externí odkaz:
https://doaj.org/article/8162377af2b047019250ceefba0eda94
Publikováno v:
Brazilian Archives of Biology and Technology, Vol 45, Iss 3, Pp 251-256 (2002)
A baixa mobilidade do calcário aplicado na superfície do solo diminui sua eficiência na redução da acidez subsuperficial. Foram estudados os efeitos de alguns resíduos orgânicos sobre a mobilidade do calcário calcítico aplicado na superfíci
Externí odkaz:
https://doaj.org/article/5789f2c487ea467ea3d64a976f38e62e
Publikováno v:
Brazilian Archives of Biology and Technology, Vol 45, Iss 2, Pp 219-222 (2002)
Low Ca and Mg are serious limitations to crop production in sandy soils of the northwest Paraná, Brazil. Thus soil samples of an Oxisol collected in this region were packed into 30cm long columns. Dolomite lime (2.0, 0.84, 0.30, and < 0.30 mm screen
Externí odkaz:
https://doaj.org/article/357c685b4ce7456c9470fb9751e9c02e
Publikováno v:
Brazilian Archives of Biology and Technology, Vol 45, Iss 2, Pp 183-187 (2002)
Water-soluble plant organic compounds have been proposed to be efficient in alleviating soil acidity. Laboratory methods were evaluated to estimate the efficiency of plant extracts to neutralize soil acidity. Plant samples were dried at 65ºC for 48
Externí odkaz:
https://doaj.org/article/1e46ed958fa7437f9fa5ce277eb11722
Publikováno v:
Brazilian Archives of Biology and Technology, Vol 45, Iss 1, Pp 17-20 (2002)
The objective of this study was to re-evaluate some aspects of the relative importance of organic matter on Mn solubility in acid soil conditions. Field study showed that black oats, oil seed radish, elephant grass, lupin, leucaena, and coffee leaves
Externí odkaz:
https://doaj.org/article/53884d9089e44507b1f5acdbd4e40187
Autor:
Júlio Cezar Franchini, Anderson Rotter Meda, Marcelo Elias Cassiolato, Mário Miyazawa, Marcos Antonio Pavan
Publikováno v:
Scientia Agricola, Vol 58, Iss 2, Pp 357-360 (2001)
O calcário aplicado na superfície do solo apresenta baixa eficiência na correção da acidez subsuperficial. A eficiência pode ser melhorada através de compostos orgânicos hidrossolúveis liberados pelos resíduos vegetais. Foi avaliado um mét
Externí odkaz:
https://doaj.org/article/19aa7d372a5d4d7aa2238507158199e0