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Grain can be kept for a long time, as long as conditions are dry and somewhat...

Grain can be kept for a long time, as long as conditions are dry and somewhat cool. Why don’t the grains (seeds) germinate? What conditions are needed to induce germination?

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Grain can be kept for a long time, as long as conditions are dry and somewhat cool. The grains (seeds) don't germinate because certain metabolic reactions and changes needed to kick-start teh process have not deemed the presence, quality and quantity of internal and external factors to be conducive to carry out a successful germination without risking failure. The conditions that are needed to induce this germination (in terms of external circumstances) are light, temperature, water, oxygen and/or other components of air and varying cycles/patterns of light and/or darkness.

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