Zobrazeno 1 - 10
of 77
pro vyhledávání: '"Marcos A. Pavan"'
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
Publikováno v:
Química Nova, Vol 25, Iss 1, Pp 149-152 (2002)
Externí odkaz:
https://doaj.org/article/e0f9eda71bbb409b8e83a5ff6633f314
Publikováno v:
Brazilian Archives of Biology and Technology, Vol 44, Iss 2, Pp 185-189 (2001)
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
Externí odkaz:
https://doaj.org/article/5a597c86121f408ca62cb3e928820258
Autor:
Marcelo E. Cassiolato, Anderson R. Meda, Marcos A. Pavan, Mário Miyazawa, José C. de Oliveira
Publikováno v:
Brazilian Archives of Biology and Technology, Vol 43, Iss 5, Pp 533-536 (2000)
The low mobility of the soluble components of surface-applied lime, limits their ability to reduce subsoil acidity in variable charge soils. Laboratory experiments were conducted with brazilian Oxisol to evaluate the effect of oat extracts on the mob
Externí odkaz:
https://doaj.org/article/9375b01866064aad88dd6ba6a8459f62
Publikováno v:
Brazilian Archives of Biology and Technology, Vol 42, Iss 2, p 0 (1999)
A falta de Ca e a presença de Al na subsuperfície do solo restringem o crescimento das raízes. A eficiência da calagem aplicada na superfície do solo na neutralização da acidez subsuperficial é limitada. Foram conduzidos experimentos de labor
Externí odkaz:
https://doaj.org/article/2270e4f020484cdcbfd88b8580c05ef0
Autor:
Jonez Fidalski, Pedro Antonio Martins Auler, Marcos A. Pavan, Carmen Silvia Vieira Janeiro Neves
Publikováno v:
Pesquisa Agropecuária Brasileira, Vol 46, Iss 3, Pp 254-261 (2011)
Pesquisa Agropecuária Brasileira v.46 n.3 2011
Pesquisa Agropecuária Brasileira
Empresa Brasileira de Pesquisa Agropecuária (Embrapa)
instacron:EMBRAPA
Pesquisa Agropecuária Brasileira, Volume: 46, Issue: 3, Pages: 254-261, Published: MAR 2011
Pesquisa Agropecuária Brasileira v.46 n.3 2011
Pesquisa Agropecuária Brasileira
Empresa Brasileira de Pesquisa Agropecuária (Embrapa)
instacron:EMBRAPA
Pesquisa Agropecuária Brasileira, Volume: 46, Issue: 3, Pages: 254-261, Published: MAR 2011
O objetivo deste trabalho foi avaliar o efeito da calagem e de porta-enxertos sobre a quantidade de raízes, a nutrição e a produção de laranjeira 'Valência', em diferentes sistemas de preparo do solo. O experimento foi instalado em blocos ao ac
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b6d91655ed75b09ee91f555218d5ac3a
https://doi.org/10.1590/s0100-204x2011000300005
https://doi.org/10.1590/s0100-204x2011000300005