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Biochar amendment improves degraded pasturelands in Brazil: environmental and cost-benefit analysis. Repositório Alice
LATAWIEC, A. E.; STRASSBURG, B. B. N.; JUNQUEIRA, A. B.; ARAUJO, E. da S.; MORAES, L. F. D. de; PINTO, H. A. N.; CASTRO, A.; RANGEL, M.; MALAGUTI, G. A.; RODRIGUES, A. F.; BARIONI, L. G.; NOVOTNY, E. H.; CORNELISSEN, G.; MENDES, M.; BATISTA, N.; GUERRA, J. G. M.; ZONTA, E.; JAKOVAC, C.; HALE, S. E..
Most deforested lands in Brazil are occupied by low-productivity cattle ranching. Brazil is the second biggest meat producer worldwide and is projected to increase its agricultural output more than any other country. Biochar has been shown to improve soil properties and agricultural productivity when added to degraded soils, but these effects are context-dependent. The impact of biochar, fertilizer and inoculant on the productivity of forage grasses in Brazil (Brachiaria spp. and Panicum spp.) was investigated from environmental and socio-economic perspectives. We showed a 27% average increase in Brachiaria production over two years but no significant effects of amendment on Panicum yield. Biochar addition also increased the contents of macronutrients,...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Biocarvão; Degradação de pastagem; Pastureland; Agricultura Sustentável; Brachiaria Brizantha; Desmatamento; Forragem; Panicum Maximum; Pastagem; Biochar; Deforestation; Ecosystem services; Emissions; Gases; Soil; Yields.
Ano: 2019 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1113523
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Does a Rising Biofuels Tide Raise All Boats? A Study of Cash Rent Determinants for Iowa Farmland under Hay and Pasture AgEcon
Du, Xiaodong; Hennessy, David A.; Edwards, William M..
Iowa’s farmland consists of over 16% hay crops and pastureland, a significant portion of which is under cash rental contracts. This study investigates the comparative relationships between cash rental rates for cropped land and non-cropped land, where the latter includes hay and pastureland. We find that higher crop prices resulting from biofuel demand induces land use conversion from non-cropped land to crop production and thus bids up non-cropped land rents. Compared with changes in cropped land cash rents, non-cropped farmland rents could increase by a higher percentage. Non-cropped land cash rental rates are largely determined by crop and feeder cattle prices, population density, soil quality, and proportion of non-cropped land in a specific area. A...
Tipo: Working or Discussion Paper Palavras-chave: Biofuel; Pastureland; Cash rents; Random effects model; Resource /Energy Economics and Policy; Crop Production/Industries.
Ano: 2008 URL: http://purl.umn.edu/44231
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