Evaluating loblolly pine (Pinus taeda) seedling and mid-rotation plantation growth response to poultry litter and commercial fertilizers in east Texas was the primary objective of this study. The data were also used to develop growth and yield models for tree level responses to a variety of site indexes, basal areas, and fertilization treatments. Only one of the three mid-rotation sites showed overall growth responses to fertilizer treatments; further measurements are needed to determine if the other sites will respond to treatments in the future. Growth and yield models were developed using a modified Schumacher (1939) multilevel linear mixed-effects unstructured model to fit the constraints of the data sets. Due to the nature of the data, as with many repeated measures studies, constraints are set on the applicability of these models for prediction out of the age, site indices, and stocking parameters.Soil Series Site Indexaquot; Drainage Class Productivity Class* Taxonomic Class Broaddus Mid-Rotation Moswell very fine sandy ... Texas property tax: Manual for the appraisal of timberland (Exhibit 4: Boyce Study Growth Extimates by soil Class).
|Title||:||East Texas Pinus Taeda Plantation Growth Response to Poultry Litter and Chemical Fertilizer Amendments|
|Publisher||:||ProQuest - 2007|