NEWTON:Frost and New Plants
 
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Name: Paul
Status: educator
Grade: 12+
Country: USA
Date: Summer 2014


Question:
A few nights ago we had frost in the area. Looking at corn fields our class noted that 6 plants in the row showed frost injury to ground level. Then 2 plants showed no effect, then one injured, 2 okay etc. How does a frost occur when we see plants side by side (5-6 inch spacing) at the same stage of growth have different effects?


Replies:
Hi Paul,

By microenvironmental factors. Resistance in one individual, a difference in moisture, pH from one area to another... There can be many reasons.

These variations is what led scientists to develop statistics and study populations. Statistics says, "Yes, we have variability - but within certain boundaries we may still make generalizations: MOSTLY we see ..."

Peter E. Hughes, Ph.D, Milford, NH


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