The amount of selenium in soil, which varies by region, determines the amount of selenium in the plant foods that are grown in that soil.
根据地区变化的土壤中硒含量也决定了在植物食品中的硒含量。
The chemical behavior and bioavailability of selenium depend on its speciation in soil. The species of selenium in soils are controlled by physicochemical properties and other factors in soils.
硒在土壤中的化学行为和生物可利用性取决于它在土壤中的形态，而硒形态又受到土壤理化性质和其他因素的制约。
Selenium can be low if the food is grown in selenium deficient soil, so a Brazil nut a day provides a useful insurance policy.
在缺乏硒的土壤中长的食物含硒量就会低，而每天一颗巴西坚果，为摄取硒提供了有益的保障。
The amount of selenium in the soil where food is grown determines its selenium content.
种植地区土壤里硒的含量决定了食物的硒含量。
Brazil nuts. Thanks to the rich soil in which they grow, Brazil nuts are loaded with selenium, a trace mineral that some research has linked to upbeat moods.
巴西坚果。由于种植巴西坚果的土壤肥沃，巴西坚果富含硒，这是一种微量元素，某些研究表明它与提高情绪有关联。
Selenium is a trace mineral that is found in the soil and becomes absorbed in the food chain.
硒是一种微量元素，土壤含量丰富，可由食物链吸收。
The organic combination state in selenium-rich red earth and that in rice soil are the main combination patterns.
富硒红壤和富硒水稻土中的有机结合态硒是土壤中的主要结合态。
According to the classification definition standard of soil selenium amount put forward by Li Jiaxi, it is confirmed that there exists selenium-rich soil in Zhejiang.
依据李家熙的土壤硒含量的分类定义标准，可以确认浙江存在富硒土壤。
The soil selenium content, form, availability, healthy effects and adjust measures were reviewed in this paper.
本文拟就土壤中硒的含量、形态、有效性影响因素、硒的保健作用和调节措施等方面作一综述。
The pH of soil is indirect effects of soil selenium content by regulating the water soluble selenium in the soil, exchangeable and acid soluble content of the percentage.
土壤PH值主要通过调节土壤中硒的水溶态、交换态和酸溶态含量百分比，间接影响土壤中硒的含量。
The pH of soil is indirect effects of soil selenium content by regulating the water soluble selenium in the soil, exchangeable and acid soluble content of the percentage.
土壤PH值主要通过调节土壤中硒的水溶态、交换态和酸溶态含量百分比，间接影响土壤中硒的含量。
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