Variable silicon content of rice cultivars grown on Everglades Histosols.
Deren C.W. | Datoff L.E. | Snyder G.H.
Two experiments were conducted to investigate silicon (Si) content in a group of rice cultivars. Ten cultivars were grown in the greenhouse under three levels of Si fertilization on a Si-deficient Histosol. In a second experiment, 18 cultivars were grown at three field locations which varied in plant-available soil Si. In both experiments, cultivars varied in their percentage of Si in rice straw. There was no significant (P > 0.10) genotype by environment interaction. The genotypes with the greatest and lowest percentage of Si were consistently so over all Si environments and treatments.
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