Assessment of spatial variability of penetration resistance and hardpan characteristics in a cassava field.(Report)

Australian Journal of Soil Research | May 1, 2008| | Copyright

Introduction

Soil is not considered as a closed system, but a product of the interaction of several soil formation processes. That interaction transmits complexity to the soil and produces a dynamic and heterogeneous system (Trangmar et al. 1985). To study soil variability, 2 main statistical approaches can be used. Classical statistics requires the validity of some basic hypothesis, such as the independence between observations, due to randomness of variations from one place to another. In contrast, geostatistics, based on the theory of regionalised variables, ...

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