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Agricultura Irrigada no Brasil

pearl-jensen avatar
pearl-jensen
19 diapositives · 291 Views · Nov 01, 2014

Explore the basic principles of water management in Brazil according to the Water Law (9.433/97), emphasizing the importance of watershed planning, public domain water resources, and decentralized governance. Compare irrigation methods, cover crop benefits, carbon sequestration, and biodiversity protection in the context of sustainable agriculture practices. Discover the potential of pasture-based milk production in Brazil and its economic viability.

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  1. Agricultura Irrigada no Brasil

  2. DESAFIOS E OPORTUNIDADES

  3. PRINCÍPIOS BÁSICOS DA GESTÃO DAS ÁGUAS (Lei 9.433/97) • A bacia hidrográfica é a unidade de planejamento • A água é um bem de domínio público • A água é um recurso natural limitado • A água é um recurso dotado de valor econômico • A gestão deve sempre proporcionar o uso múltiplo • Uso prioritário para consumo humano e dessedentação de animais, em casos de escassez • A gestão dos recursos hídricos deve ser descentralizada, dela participando o Poder Público, os usuários e as comunidades

  4. Two Alternatives CT ZT Cover crop Carbon sink Biological activities Over - mechanization Less biological activities Soil conservation Water infiltration Protection of Biodiversity Erosion Water conservation (improved watershed management) Water polution (poor watershead management) What is your choice ?

  5. From the Green Revolution to the Gene Revolution: Our 21st Century Challenge Norman E. Borlaug Brazil Cerrados Tour February 2004

  6. Aspersão em Malha  Ramais interligados, gerando economia de energia e melhoria na uniformidade de aplicação Fonte Bomba Principal Ramal Um dos pontos de engate de aspersores

  7. Irrigação por Aspersão em Malha

  8. I see a lot of potential in pasture based milk production in nearly all of Brazil. Being located in the Tropic of Capricorn (that has favorable temperatures for the production of tropical grasses) it is possible to produce more than 60 metric tons of Dry Matter per hectare, this is sufficient to maintain an average stocking rate of 10 animal units through the year or able to produce more than 30,000 liters of milk/ha/year. Ex: Average production of lactating herd=12 L/cow/day X 8.5 cows/ha X 365 days = 37,230 liters of milk/ha/yr. 37,230 L X R$.70(US$.39) = R$26,601/ha (US$15,163/ha) of revenue per year. Considering 20% profitability and 80% for costs we would therefore have R$5,212.20(US$2970.84) liquid margin per hectare www.westbahiadairy.com