Corn Starch Quality Requirements 玉米淀粉质量要求
Corn Harvesters-Operating Quality 玉米收获机作业质量
High quality corn 优质玉米
High Quality Corn Dietary Fiber 高品质玉米膳食纤维
quality restriction of corn 玉米质量检测
The government encourages farmers to grow corn instead of rice to improve water quality.
政府鼓励农民种植玉米而非水稻，以改善水质。
If my neighbors grow inferior corn, cross-pollination will steadily degrade the quality of my corn.
如果我邻居种植的是次等玉米，交叉授粉将会逐渐降低我的玉米的品质。
When fed to their cows and pigs, that high-quality corn produced far more milk and meat. As a result, the family bought more livestock - and the farm grew.
用高质量玉米喂养牛猪时，产出的牛奶和肉更多。
Corn harvests remain small. The researchers say farming methods in Sub-Saharan Africa need to improve or else poor quality soil will increase rural poverty.
VOA: special.2009.07.28
He and former American President Jimmy Carter worked with the Sasakawa Africa Association to help increase the quality and production of corn on the continent.
VOA: special.2009.11.10
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