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The influence of four levels of each of nitrogen, phosphorus, and potassium on the brittleness and ash content of barley awns was investigated. Awns were significantly more brittle at higher levels of N and P but significantly less brittle at higher levels of K. Ash content was not affected by changes in N level but was significantly higher with higher levels of P and significantly lower with higher levels of K.

A GREENHOUSE STUDY OF THE EFFECT OF NITROGEN, PHOSPHORUS, AND POTASSIUM ON BRITTLENESS AND ASH CONTENT OF BARLEY AWNS