The Relationship Between N, P And K Concentrations In Sweet Potato Vines And Dry Matter Accumulation In Vines And Tuberous Roots As Influenced By P Fertilization

Citation:
Reshid K;, Waithaka K. "The Relationship Between N, P And K Concentrations In Sweet Potato Vines And Dry Matter Accumulation In Vines And Tuberous Roots As Influenced By P Fertilization."; 1988.

Abstract:

Higher N concentrations in vines of 'Musinya' and 'Gikanda' cultivars showed a positive correlation with dry matter accumulation in the vines and a negative correlation with dry matter accumulation in tuberous roots during both seasons. Higher K concentrations in vines of both cultivars showed positive correlations with dry matter accumulation in tuberous roots and negative correlations with dry matter accumulation in the vines whenever the N concentration in the vines were substantially lower than the K concentrations. Phosphorus concentrations in the vines of both cultivars, however, showed cultivar differences in relationship with % dry matter accumulation in vines and tuberous roots during both seasons, though the relationships were weaker as compared to the relationships of N and K concentrations in vines and % dry matter accumulations in vines and tuberous roots.

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