Tag Archives: agriculture

Llama and guano dung fertilizer in Peru

In a talk at the Northeast Conference on Andean Archeology (Andover, Oct 15, 2011), Professor Paul Szpak described the dung of guano birds and llamas and their role as fertilizers.  The guano dung has 11% nitrogen, while the llama dung … Continue reading

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Incorporating Manufacturing efficiency in Japanese farms using IT

An article in the Wall Street Journal (January 18, 2011, page B5) describes the head of a Japanese commercial farm who uses information technology to optimize his farm’s output. The article describes the use of sensors to monitor temeprature, soil … Continue reading

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