Titlebook: Methods of Studying Root Systems; Wolfgang B?hm Book 1979 Springer-Verlag Berlin · Heidelberg 1979 Excavation.Wurzel.development.ecology.g

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bestimmten Z?hnezahlen zur Verfügung stehen. Wie aus den nachstehend angeführten Beispielen zu ersehen ist, ergeben sich beim N?herungswertrechnen vielfach gr??ere Primzahlenl, besonders darin, wenn hohe Genauigkeit erreicht werden soll. Um nun den Rechnungsgang abzukürzen, empfiehlt es sich, für M

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Book 1979for studying root physiology are not covered in this book. Scientific publications on roots are scattered in many different journals published all over the world. By working through the international root literature I found that about ten thousand papers on root ecology have been published at the pr

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General Survey of Root-Study Methods,tivated crops and determined their morphology, as well as their weight and length. Du Hamel Du Monceau (1764/65) excavated tree root systems. Then for over one hundred years no important root research was documented.

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Auger Methods,d augers or by mechanical sampling machines, and separating the roots from the soil by washing. Except for special purposes no attempt is made to keep the roots in their natural positions. The size of the samples generally is smaller than those from the monolith methods.