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Agronomy Journal Abstract -

Effect of Placement of Phosphorus and Lime on the Growth of a Ladino Clover-Orchardgrass Sward1


This article in AJ

  1. Vol. 62 No. 4, p. 458-461
    Received: Sept 6, 1969

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  1. W. W. Woodhouse Jr.2



High exchangeable Al in subsoils has been suspected as a cause of limited persistence of ladino clover on some soils of the Southeast. The effect on a ladino-orchardgrass sward of rather thorough incorporation of P and limestone into one such soil was studied. Mixing was by means of a rototiller, one furrow at a time, and extended as deep as 45 cm, compared with broadcast application, followed by disking to 15 cm. Two levels of each material were used, the soil test suggested level and 3 times the soil test level. Deep incorporation resulted in no detectable benefit with either material, and appeared to reduce residual P. Subsoil Al was sharply reduced by liming, but it appeared that mixing to a depth of 15 cm was adequate for these plants on this soil.

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