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This study collected and evaluated existing pedo transfer functions (PTFs) for soil indicators used in the Dutch BLN soil quality assessment framework. The tested soil parameters include bulk density, plant available water, water holding capacity, hot water carbon and potentially mineralizable nitrogen. The PTFs are analysed for their consistency, uncertainty, and applicability to different settings. Although the variations among PTFs are large, the required input parameters and how those parameters influence the predicted value are generally similar. It is important to carefully select a PTF that match the domain of the applied context. Soil PTFs are useful for comparison of soil parameters across fields, farms and regions but insensitive to temporal changes within a field.
Issues for 1860, 1866-67, 1869, 1872 include directories of Covington and Newport, Kentucky.
This book constitutes the refereed proceedings of the Third International Symposium on NASA Formal Methods, NFM 2011, held in Pasadena, CA, USA, in April 2011. The 26 revised full papers presented together with 12 tool papers, 3 invited talks, and 2 invited tutorials were carefully reviewed and selected from 141 submissions. The topics covered by NFM 2011 included but were not limited to: theorem proving, logic model checking, automated testing and simulation, model-based engineering, real-time and stochastic systems, SAT and SMT solvers, symbolic execution, abstraction and abstraction refinement, compositional verification techniques; static and dynamic analysis techniques, fault protection, cyber security, specification formalisms, requirements analysis, and applications of formal techniques.
English abstracts from Kholodil'naia tekhnika.