adjacent 发表于 2025-3-26 20:57:00
Homesteading the Final Frontier,nal tract. These actions may result in modifications of the microflora in the small intestine, less production of growth depressing toxins and less degradation of essential nutrients. Two experiments were set up in order to get more information about the mode of action of copper sulphate. In a diges纠缠 发表于 2025-3-27 04:16:08
http://reply.papertrans.cn/24/2382/238175/238175_32.png一加就喷出 发表于 2025-3-27 07:24:24
Assenting to , Death and That of the Other, to 280 kg/ha Cu without significantly limiting the cropping potential of the land. This guideline may be used for the application of sewage sludge or pig manure. Although most fattening pigs receive copper supplements the quantity of copper recycled will vary according to management practices. Only打谷工具 发表于 2025-3-27 09:43:16
Assenting to , Death and That of the Other,gus sludge contained large amounts of Cu, Zn and Cr and increased the concentrations of these metals, particularly of Cu and Zn, in plant materials. Other sludges which exhibited no toxicity produced similar increases in the Zn and Cr concentrations of plant materials. These findings indicated thatAdornment 发表于 2025-3-27 13:53:18
http://reply.papertrans.cn/24/2382/238175/238175_35.pngDemonstrate 发表于 2025-3-27 19:20:52
http://reply.papertrans.cn/24/2382/238175/238175_36.pngConstant 发表于 2025-3-27 23:54:53
Assenting to , Death and That of the Other,of toxicity to crop plants. When these factors are taken into account, the literature on copper toxicity shows a remarkable consistency Toxicity is unlikely to occur on slightly to moderately acid soils when the amount of HNO. extractable copper does not exceed 20 to 30 mg/kg for each per cent of orWorking-Memory 发表于 2025-3-28 03:32:53
Philosophical Theology of Vocation,f copper is small and when farmers use very copper-enriched slurry, manure or sludge there will be a great positive copper balance in the soil. Under such conditions the copper content of the crops will increase and this can cause toxicity in animalsespecially in sheep. The paper reviews the situati创作 发表于 2025-3-28 06:57:51
Philosophical Theology of Vocation,c effects of Cu, Ni or Zn. This paper demonstrates firstly that the nature of the assumptions made greatly affects how much of a given sludge may be disposed and then presents evidence in support of a middle position.expire 发表于 2025-3-28 14:03:56
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