Answer: Symptoms of potassium deficiency appear on the lower portion of the plant first with chlorosis (yellowing) at the leaf margins followed by necrosis (death). Potassium deficiency can be caused by soil pH, extreme liming or calcium rich areas of fields, lack of soil oxygen or true soil deficiency.
Answer:
Geological processes are those process that occurs on the surface and subsurface regions of the earth crust. They facilitate in shaping the Earth, and helps in concentration of resources over a region. These processes occurred millions of years ago, the chances are their that they will occur in future as well. Some of the major features of the California landscape develop as a result of plate tectonics and other features develop due to the process of erosion under the influence of wind, water, ice and other features.
