大喘气 发表于 2025-3-28 15:34:50

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滋养 发表于 2025-3-28 19:31:49

Masaatsu Takehara,Naoya Hasegawae review of the pathosystem in Chapter 2 showed that a large amount of research had already been completed before the IWBP was conceived. However, various aspects of the epidemiology of the disease remained poorly understood, meaning that management of the disease was not always based on an adequate knowledge of the pathosystem.
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查看完整版本: Titlebook: Die Aräometer-Methode zur Bestimmung der Kornverteilung von Böden und anderen Materialien; Arthur Casagrande Book 1934 Verlag von Julius S