Potamogoton pectinatu is a kind of water weed with higher nutritional value and digestibility , and can be used as feed for animal.

综合评定结果显示，龙须眼子菜是一种营养价值全面、消化率高的水草，可用作牛羊等饲料。

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Melamine has no nutritional value but is high in nitrogen, making products with it appear higher in protein.

三聚氰胺没有营养价值，却富含能进步产品蛋白质含量的氮元素。

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In the agriculture sector alone, Monsanto and its competitors are spending billions of dollars annually on agricultural biotechnology research, pursuing traits that make crops higher yielding and more resistant to various environmental stresses, and to make grains with increased nutritional value.

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