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Alfred Stefferud
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Articles by this Author
» Growing Vegetable Seeds for Sale
By Alfred Stefferud | Published 06/15/2007 | Agriculture | Unrated

MEN WHO grow vegetable seeds for sale engage in a specialized and highly competitive farming operation.

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» The Production of Grass Seeds
By Alfred Stefferud | Published 06/13/2007 | Agriculture | Rating:

THE GROWERS of seed aim to grow good seed of species and varieties that are in demand and to achieve economical production.

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» Producing Seed of Hybrid Corn and Grain Sorghum
By Alfred Stefferud | Published 06/13/2007 | Agriculture | Unrated

AFTER 26 years or so of research, the first commercial hybrid corn seed for sale to farmers in any quantity was produced in Iowa in 1926.

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» How Long Can a Seed Remain Alive?
By Alfred Stefferud | Published 05/26/2007 | Agriculture | Rating:

PEOPLE USED to think that 150 years was about the maximum lifespan of the most durably viable seeds.

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» Life Processes of the Living Seed
By Alfred Stefferud | Published 05/25/2007 | Agriculture | Rating:

THE EMBRYO in a seed draws on its endosperm for the nutrients it needs to germinate and grow.

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» Plants Must Disperse Their Seeds
By Alfred Stefferud | Published 05/24/2007 | Agriculture | Rating:

NOT ALL SEEDS survive the struggle for existence. Any marked change in environment, moisture, temperature, amount of sunlight, or soil composition may create conditions...

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» The Thread of Life Through Seeds
By Alfred Stefferud | Published 05/24/2007 | Agriculture | Rating:

THE ORIGIN of each new seed-bearing plant traces back to the time of flowering.

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» How Seeds Are Formed
By Alfred Stefferud | Published 05/20/2007 | Agriculture | Unrated

The stamen produces pollen grains that later form the male cells, or sperms. The stamen has a stalk, or filament, at the tip of which is the pollen sac, or anther.

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Blogs by this Author
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