Our thanks and acknowledgement to the South African Mushroom Farmers'Association for stimulating this talk and to Martmari Van Greuning for kindly providing the photographs to accompany Richard's paper. The pictures provide a 'snapshot' of casing in South Africa. Although it is some time since I have been to South Africa, I well-remember that casing quality was an issue. From what I have seen and heard over the last two days it would appear that the issue is still ongoing.
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机译：我们感谢并感谢南非蘑菇农民协会促进了这次演讲，并感谢Martmari Van Greuning慷慨地提供了照片并附有Richard的论文。这些图片提供了南非包装的“快照”。尽管我去过南非已经有一段时间了，但我清楚地记得套管的质量是一个问题。从过去两天我所看到和听到的情况来看，问题似乎仍在继续。
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