the upper layer of soil called horizon a is in b horizon.
the upper layer of soil called horizon a is in b horizon.
the upper layer of soil called horizon a is where?
b horizon
Na
Na
the primary purpose of ploughing is to turn over the upper layer of the soil, bringing fresh nutrients to the surface, while burying weeds and the remains of previous crops and allowing them to decay. as the plough is drawn through the soil, it creates long trenches of fertile soil called furrows. in modern use, a ploughed field is typically left to dry out, and is then harrowed before planting. ploughing and cultivating a soil homogenises and modifies the upper to form a plough layer, where the majority of fine plant feeder roots grow.
plough