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Phytotranslocation of Fe by biodiesel plant Jatropha curcas L. grown on iron rich wasteland soil Braz. J. Plant Physiol.
Ghavri,Surendra Vikram; Singh,Rana P..
Experiments were conducted to evaluate the plant tolerance to Fe and its phytotranslocation by Jatropha curcas L. from an iron rich wasteland soil. The soil was collected from wasteland soil (WLS) of a small town Sandila, (Hardoi, U.P.) India, and three Jatropha clones were cultivated in WLS amended or not with sand or cowdung in a ratio of 3:2. The WLS had high pH, elevated electric conductivity (EC) and was rich in organic carbon and total NPK. Iron and Mn were 2-3 folds higher than that in the normal field soil. Net root and shoot elongation as well as fresh and dry biomass of the plants were only slightly affected at 100 d in WLS as compared with that grown in non-polluted soil. Tolerance index (TI) of J. curcas was significantly higher in cowdung...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Bio-accumulation; Bio-concentration factor; Concentration index; Phytoremediation; Tolerance index.
Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1677-04202010000400003
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DIVERSITY OF SOURCES FOR FRESH PRODUCE: IMPLICATIONS FOR LOCAL MARKETS AgEcon
Lohr, Luanne; Hanson, Steven D..
Number of suppliers, approximation of equal-shares market condition and market share held by in-state sources were calculated to determine diversity of sources for 10 fresh fruits and vegetables in eight U.S. wholesale markets. Specificity of growing conditions is associated with few supply sources, unequal market shares and limited purchases from in-state suppliers. For crops with few sources, lower perishability and greater transportability are correlated with greater balance in market shares. For crops with many supply sources, greater perishability and greater transportability are consistent with large market share from imports. Diversity across all commodities can increase market share for local producers.
Tipo: Journal Article Palavras-chave: Concentration index; Fruits and vegetables; Source diversity; Marketing.
Ano: 1995 URL: http://purl.umn.edu/15274
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Importance of the sugarcane industry in the formal employment in the state of Mato Grosso do Sul during the period of 2008 to 2014 Rev. Econ. Sociol. Rural
Defante,Lilliane Renata; Vilpoux,Olivier François; Sauer,Leandro.
Abstract: In the early 2000s, sugarcane experienced high growth in Brazil and Mato Grosso do Sul experienced the highest growth, with a 398%% increase. We analysed the impact of the sugarcane industry on formal employment and wages in Mato Grosso do Sul between 2008 and 2014. We used a Normalized Concentration Index (nCI) decomposed into Location Quotient (LQ), modified Hirschman Herfindahl Index (HHm), and Relative Participation (RP). Data were collected in the Annual Report on Social Information (RAIS). The nCI allows a general perception of concentration since LQ and HHm give greater weight to small municipalities with few activities, and the RP underestimates the importance of industry for these same municipalities. Thus, the municipality of Dourados,...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Spatial concentration; Concentration index; Rural development.
Ano: 2020 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-20032020000400202
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