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Science 7 - Plants for Food and Fiber - topic 3

topic 3

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Small particles, slick and sticky when wet, forms a tight ball when squeezedClay And Silt Soils
A mix of clay and sand soils and organic matter, looks rich and loose, form a loose ball when squeezed, vary in moisture absorbtionLoam Soils
Large particles that are visible to the naked eye, light in color, will not form a ball when squeezed, does not store waterSandy Soils
A barrier of trees or shrubs that protects a cropShelterbelt
A farming system that operates without the use of ploughing that won't disturb the soilNo-Till Farming
Chemical nutrients or organic fertilizers that add nutrients to the soilFertilizers
Using water from lakes to add the the soil by usage of sprinklersIrrigation
When farmers clear land of plant cover to plant new cropsClearing The Land
Cutting into the soil and turning the top layer overPloughing
Where crops that use different nutrients are rotated into different areas each yearCrop Rotation
Partly decayed organic matterHumus
Broken down rockMinerals
Decayed or living thingsOrganic Matter


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