Drumuri in neotropical

Drumuri in neotropical

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Brazilia, tara cafelei si a sambei, tara fotbalului si a Amazonului, cam asta inseamna pentru foarte multi europeni. Dar Brazilia inseamna mult mai mult si doar acolo, calatorind de la litoralul Atlanticului la mlastinile din Mato Grosso si de la floresta amazonica la sudul industrializat poti intelege cate ceva din imensitatea acestei tari ce ocupa o mare parte din America de Sud. America de Sud este, din punct de vedere biogeografic, regiunea neotropicala. Cum ar putea fi caracterizata Brazilia? Mai intai numele, acesta vine de la pau-brasil, un arbore din familia leguminoaselor, Caesalpinia echinata, cu lemnul dur, rosu-violaceu, astazi rar, exploatat si comercializat intens in perioada coloniala. Apoi diversitatea florei si faunei: paduri de foioase calde si umede, padurea de conifere (Araucaria) din sud, mlastini imense, rauri cat Dunarea, pline…
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Africa agriculture and the future of biobased technologies

Africa agriculture and the future of biobased technologies

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Agricultural growth was the precursor to the industrial revolutions that range across the Europe and Asia, from England in 18 th  century, to Japan in 19 th  century. The demand for agriculture outcomes triggered efforts towards better understanding of the use of soil, development of technology (e.g. irrigation and machinery use in the fields), development of biology and chemistry (from the need to know how to manipualte seed and to manage crop yields, for higher productivity and productivity). African Continent did not pass through a similar historical period. Causes are complex, but they are generally related to the landplots fragmentation and later, to the conflict between international market demand and local agricultural specificity. Even worse, only few African Nations managed to manage the agricultural growth to drive a decrease in…
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