Elaborate on how soil nutrient composition affects photosynthesis?

      

Elaborate on how soil nutrient composition affects photosynthesis?
Pay attention to how soil nutrient composition with regard to macro and micro nutrients affects photosynthesis, other factors remaining constant.

  

Answers


James
Does soil fertility affect photosynthesis?
Absolutely, photosynthesis relies on Nitrogen to build cell proteins with implications on growth. Phosphates/Phosphorus are necessary for respiration and growth.

Potassium is the critical in photosynthesis, respiration, and flowering/fruiting with the second mineral being Magnesium and Magnesium compounds.

The macro-nutrients N,P and K and about 17 others are all key to overall plant health growth and efficient photosynthesis.

So yes. Soil replenishment with these three macro-nutrients (and 17 other minerals), is important for photosynthesis. A perfect example is tomato plants in one section of the garden, with a magnesium deficiency, will yield yellow leaves, a sign of chlorosis (lack of chlorophyll).
Photosynthesis
is indirectly related to soil fertility, a thin poor soil will have small poor plants, a thick rich soil will support thriving healthy plants which will as a result have more photosynthisis.

Burchris answered the question on March 9, 2019 at 09:49


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