'Soil humus' presentation slideshows

We can learn a lot about agriculture in ancient Egypt from their art.

684 views • 59 slides

Soil Energy

Soil Energy. Organic of Latvia. Soil Energy. Soil Energy product sector is the biologically active soil conditioner, developed using environmentally sound patented technology from the natural ingredients: fresh water lakes silt colloid and active peat moos. Organic tresures from the nature.

456 views • 19 slides

Soil Soakers 4 th Grade Batson

Soil Soakers 4 th Grade Batson. Problem:. Which type of soil will retain the most amount of water: sand, humus, clay, or gravel?. Hypothesis:. If we pour 100 ml of water on 100 ml of soil, then we predict that humus will retain the most amount of water. Control Variable.

187 views • 10 slides