On the basis of applying sufficient amount of n, p, Potassium can improve the quality of farm products.
在氮、磷充足的基础上施用钾肥，能提高农作物品质。
The technology for checking interior quality of the agricultural products is a key to grade exactly for farm produce with different mature degree.
农产品内部品质检测技术是对成熟度不一致的农产品进行准确分级的关键。
Methods Under the strict quality control, 8 types of main farm products in 5 cities were monitored for lead and cadmium.
方法在严格的质量控制下，对5个城市8类农产品进行铅镉污染监测。
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