Question & Answer: You have a young wheat crop that is growing slowly. The farmer did not apply phosphorus, and…..

You have a young wheat crop that is growing slowly. The farmer did not apply phosphorus, and you suspect a phosphorus deficiency. You clip off some leaves and send them to a lab to be analyzed for P. The lab says that the leaves contain 270 ppm of P. A textbook says that normal young wheat leaves typically contain 0.2 to 0.25% P. Convert the laboratory value from ppm to percent. Were the plants deficient with regards to phosphorus? You have a young wheat crop that is growing slowly. The farmer did not apply phosphorus, and you suspect a phosphorus deficiency. You clip off some leaves and send them to a lab to be analyzed for P. The lab says that the leaves contain 270 ppm of P. A textbook says that normal young wheat leaves typically contain 0.2 to 0.25% P. Convert the laboratory value from ppm to percent. Were the plants deficient with regards to phosphorus?