Answer:
1st answer
Soil supports plant growth by providing: Anchorage: root systems extend outward and/or downward through soil, thereby stabilizing plants. ... Nutrients: soil supplies nutrients, and also holds the nutrients that we add in the form of fertilizer.
2nd answer
Sunrays are mostly perpendicular in the Equatorial region heavy rainfall, as well as hot and humid climate, support the growth of a variety of trees in the Equatorial region. Trees also grow with rapid speed to get maximum sunlight in this region. Thus, trees in equatorial forests grow tall.
3rd answer
Manures are the organic materials derived from animal, human and plant residues which contain plant nutrients in complex organic forms. ... Cattle shed, urine and slurry from biogas plants. Human habitation wastes-night soil, human urine, town refuse, sewage, sludge and sullage.
4th answer
Due to the availability of sunlight short grass, small shrubs, flowers, lichens, moss, etc. grow in the Tundra region. But, during long winters, the natural vegetation in the Tundra region disappears at rapid speed. Thus, vegetation is short-lived in the Tundra region.
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