Abstract
The effects of nitrogen, phosphorus, and potassium on the yields of Dark Skin Perfection peas were investigated at nine locations during three successive cropping seasons. All three nutrients were applied broadcast at rates of 0, 30, 60, and 90 kg/ha in randomized block experiments with four replicates. A lime treatment was also included consisting of an application of dolomitic limestone in the furrow with the seed at the rate of 400 kg/ha. Yields of shelled peas, adjusted to tenderometer 100, varied from approximately 4 to 7 tonnes/ha and were not substantially affected by the fertilizer or lime treatments. Germination was in the range of 85–95% and was not affected by the treatments. Vine length tended to increase as the rate of all three nutrients was increased, but the pea/vine ratio (by weight) was not affected. Maturity was slightly delayed by increasing rates of added nitrogen and slightly advanced by increasing rates of added phosphorus.
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