The application of rapid chemical tests to the diagnosis of mineral deficiencies in horticultural plants. III. Comparisons of tissue tests and total analyses for potassium, magnesium, calcium, phosphorus and nitrogen in potato and cauliflower

Nicholas, D.J.D.

J. hort. Sci 30: 260-7


Accession: 013860854

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Correlation co-efficients (r values) were determined for the major nutrients in fresh tissue extracts and in acid digests of cauliflower, var. Majestic. In 1953, K, Ca and P in extracts of cauliflower leaves made with either malonate or succinate are significantly correlated with total analysis. Nitrate N in the malonate extract has a significant r value with total nitrogen. The Mg in either extract is not correlated with the total content.