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Semeadoras

Semeadura mecanizada. Persas e hindusEuropa: 1636 ? m?quina que depositava as sementes sobre o solo1785 ? desenvolvida semeadora com princ?pios utilizados at? hoje1879 ? 53% do trigo nos EUA era semeado mecanicamente1974 ? semeadoras pneum?ticas. Semeadora. Semeadora-adubadora: dosa e distribui

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Semeadoras

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    1. Semeadoras Vanderlei Artur Bier

    2. Semeadura mecanizada Persas e hindus Europa: 1636 – máquina que depositava as sementes sobre o solo 1785 – desenvolvida semeadora com princípios utilizados até hoje 1879 – 53% do trigo nos EUA era semeado mecanicamente 1974 – semeadoras pneumáticas

    3. Semeadora Semeadora-adubadora: dosa e distribui sementes e fertilizantes.

    4. Plantadora Dosa e distribui partes vegetativas (tubérculos, colmos, bulbos)

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