But evidence is building that soil toxicity is a major problem that's creeping into the food supply.
但越来越多的证据表明，土壤内的有元素匍匐进入食品供应是一个主要问题。
Toxicity, reactions and existence state in soil and effects on crops of chromium, current situation of applying fertilizer of tannery chromium sludge were described.
简述了铬的毒性、铬在土壤中的反应与存在状态、铬对植物的影响及含铬污泥在农业中应用的现状。
Methods The influencing factors to the effective duration of niclosamide in water and soil was investigated by the snail immersion method and the fish toxicity test .
方法用浸泡杀螺试验和鱼毒试验，观察氯硝柳胺在水体及土壤中持效时间及其影响因素。
When incubation time was prolonged, the biological toxicity of La in soil extractable solution had a tendency to decrease.
随着培养时间的延长，土壤提取液中镧的生物毒性逐渐减小。
The mobility, the bioavailability and the toxicity of heavy metals in the soil depend on their specific chemical forms and on their binding state.
土壤中重金属的赋存形态决定其在土壤中的迁移性、生物可利用性以及毒性。
Al toxicity is a major limited factor for crop production and quality in acid soil, and it has become the focus of ongoing research in the area of plant stress physiology and genetics.
铝毒是酸性土壤影响作物生长的主要原因，已成为植物胁迫生理学与遗传学的重要研究内容。
The authors said that glyphosate's toxicity to beneficial soil organisms further reduces the availability of nutrients that are critical for a plant's defense against disease.
作者们说，草甘膦除草剂的毒性有益于土壤生物进一步减少对植物对抗病害所需的养分的可获得性。
Although physicochemical properties of soil has changed greatly after washing, toxicity of soil declines significantly and there is a low effect on health situation of soil.
虽然淋洗前后土壤的基本理化性质发生了变化，但是土壤的毒性明显减弱，不对土壤的健康状况造成显著性影响。
In this paper, the changes of soil microbial community by soybean continuous cropping , dominant fungi, phytotoxins produced by P. purpurogenum and it's toxicity to soybean was reported.
本论文报道了连作、轮作大豆根际土壤微生物区系变化、土壤真菌优势类群、连作大豆根际土壤真菌优势类群紫青霉菌毒素的理化特性及其作用的研究结果。
The toxicity of herbicide residues exerted in the photosynthesis, growth and uptake of plants and in the inhibition of soil organisms.
残余除草剂对植物的毒害表现在光合作用、生长发育和吸收上；
The biological toxicity of La to soil was direct.
镧在土壤中的生物毒性是直接的。
The acute toxicity of dichlorvos, chlorpyrifos and their mixture to earthworms were studied by two methods(the filter paper method and the natural soil method).
采用滤纸接触法和自然土壤法研究了毒斯乐对自然蚯蚓的急性毒性。
The combination of Aluminium toxicity with soil acidity is a major crop growth limiting factor in over 40% of the arable land in the world.
世界上40%以上的耕地因为铝离子毒性和土壤酸性的综合作用而限制了农作物的生长。
Conclusion Established a standard method of acute oral toxicity for soil fertilizer through the acute health lesion of mouse, which was detected by Horn's and limited dose method.
结论建立一套以小鼠为试验对象，以霍恩法和限量法相结合的土肥急性毒性检测的标准方法。
The biological toxicity of lanthanum (La) in water solution andextractable solution from red soil both was studied by luminous bacterial method.
利用发光细菌法研究了水溶液及红壤提取液中镧的生物毒性。
The characteristics of Cd pollution in soil, Cd forms transformation in the soil and its biological toxicity are reviewed in this paper.
论述了土壤Cd污染的特点、Cd在土壤中的形态转化特征、生物毒性及我国目前土壤Cd污染现状及危害。
Objective To establish a economic and short-term method of soil fertilizer through the acute health hazard in mice for acute oral toxicity evaluation.
目的观察一次经口给予小鼠土肥后， 动物在短期内出现的健康损害效应，从而建立一套经济、快捷的土壤肥料急性毒性检测标准方法。
This paper discusses the soil environment and mechanisms suffered from aluminium toxicity.
本文论述了植物铝害的发生环境和机理。
It also USES the tropical maize al tolerance level and "al stress recall memory" to gauge the temperate maize ability to cope with increasing soil acidity and al toxicity.
我们也利用铝胁迫耐受水平和“铝胁迫回想记忆”比较了热带玉米和温带玉米对土壤中酸度和铝离子水平提高的适应能力。
Results of the experiments showed that iodosulfuron-methyl-sodium did little harm to soil microorganisms, and it was a kind of herbicide of low toxicity or no-real harm.
实验结果表明，碘甲磺隆钠盐对土壤微生物影响较小，属于低毒或无实际危害的农药。
Results of the experiments showed that iodosulfuron-methyl-sodium did little harm to soil microorganisms, and it was a kind of herbicide of low toxicity or no-real harm.
实验结果表明，碘甲磺隆钠盐对土壤微生物影响较小，属于低毒或无实际危害的农药。
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