The pesky element phosphorus

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Dick Wolkowski explains what phosphorus is and its use in plant growth and development.

Time – 3:08

0:15 – What phosphorus is
0:29 – Why phosphorus is so important
1:53 – How phosphorus acts in the soil
1:14 – Why phosphorus is an issue
2:27 – Home and garden use of phosphorus
2:58 – Lead out

Source: Dick Wolkowski, UW-Extension Soil Scientist

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