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25% of the soil components (two answers)
What is water and air
45% of the soil components
What is minerals
5% of the soil components
Stair-steps on steep slopes slow water runoff and erosion
What is terracing
Fungal threads absorb lots of this and water from soil which is given to plants
What is nutrients
Over 75% of the air we breath
What is nitrogen
Fungi takes this from plant roots
What is sugar
Crop in winter to protect soil and add organic matter
What is plant a cover
Chemicals wear down rocks->soil (Ex.- Oxygen in air breaks down iron deposits in rocks)
What is chemical weathering
Physical abrasion of parent rock->soil (can be caused by ice, winds, water, or tree roots)
What is mechanical weathering
Soybeans, clover, alfalfa, peanuts, peas, and lentils are all...
What is legumes
Alternate strips (some plants are better at protecting soil, or are harvested at different times)
What is strip cropping
Fungi takes sugar from plants 'in exchange' for moisture and nutrients gathered from the soil by the fungal strands.
What is mychorrizal fungi on plants
The row follow the elevation lines to slow water runoff and erosion
What is contour planting
Planting different crops in one area
What is crop rotation
Is it better to walk in your garden when its wet or dry
What is dry
Trees block the wind
What is windbreak
Farmers do not till there fields before planting, less plowing means less exposed soil
What is no-till planting
Fungi and bacteria release gluey compounds that physically bind soil together into little clumps
What is aggregates
Mineral components
What is sand silt and clay