'Complex communities' diaporamas de présentation

Biodiversity

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Ranajit Bandyopadhyay, Plant Pathologist International Institute of Tropical Agriculture

Ranajit Bandyopadhyay, Plant Pathologist International Institute of Tropical Agriculture Ibadan, Nigeria. Nigeria. 71% and 52% carry-over of the Atoxigenics 1 & 2 years after. Results from 382 on-farm trials. % reduction in aflatoxin content in treated fields over control. 99%.

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From Pre History to History

From Pre History to History. Overview for Chapter 1. The Big Picture: How Old is Time?. Most of Human existence occurred before the beginning of written records: (i.e. pre-historic) Much of what we know from science has been controversial within and beyond the realm of science

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