Its low seed vigor and poor field emergence are main factors that restrict the extension of sweet corn.

种子活力低、幼苗素质差是制约甜玉米推广种植的主要原因之一。

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In the process of demonstrating and extension on large area the improved seed illustrated advanced value of production.

在大面积的示范推广中，充分显示了这个科辐早熟沙打旺新品种良好的生产价值。

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The extension of hybrid seed Nongda 108, Jindan 36, Shandan 911, and Sheridan 10 in a large scale in Shanxi has enriched Shanxi's maize germplasm resources.

农大108、晋单36、陕单911、沈单10号杂交种在山西的大面积推广，丰富了山西的玉米种质资源。

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And in the developed world, farmers now have access to an explosion of information on the internet, from seed companies, from input suppliers, and others which has helped to offset the shrinking funding for extension services.

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