Zobrazeno 1 - 3
of 3
pro vyhledávání: '"Edson L. de Oliveira"'
Publikováno v:
Brazilian Archives of Biology and Technology, Vol 51, Iss 2, Pp 263-269 (2008)
The quantity of soil organic matter (SOM) was estimated through the determination of soil organic carbon (SOC) times a factor, which assumes that 58% of the SOM was formed by carbon. A number of soil samples with wide range of SOC content collected i
Externí odkaz:
https://doaj.org/article/56366ee6499a452cbccf751e63f26071
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:
Brazilian Archives of Biology and Technology, Vol 41, Iss 1, Pp 112-124 (1998)
Toxicity and uptake of heavy metals of sewage sludge by beans (Phaseolus vulgaris L.) were evaluated in green house experiments. Treatments consisted of 1,0 ; 2,0 and 5,0% (m/m) of dry sewage sludge, collected from Londrina (Bom Retiro and ETE-Sul) a
Externí odkaz:
https://doaj.org/article/5dbe80dbe2fa4290a617e6a425156f6a