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Original Articles

Response to lime and P by several genetic sources of corn (Zsa mays L.) on a low pH and P soil in the greenhouseFootnote1

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Pages 1075-1088 | Published online: 21 Nov 2008
 

Abstract

The objective of this study was to investigate the response of 16 different genetic sources of corn (Zea mays L.) to lime and P application on a low pH and P Parsons silt loam soil in the greenhouse. A highly significant lime x P interaction was found for both dry matter production and P concentration. Phosphorus increased both dry matter production and P content of plant tissues with or without lime application. However, liming produced a detrimental effect when P was applied but no effect when no P was applied. Corn genetic sources showed a highly significant interaction with P treatment, but not with lime for both dry matter production and P concentration. The results suggest that improvement in corn growth could be achieved in a low P soil environment by genetic selection.

Notes

Contribution 85–543‐J from the Kansas Agricultural Experiment Station.

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