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Home → Publications → Tree Planters' Notes → Tree Planters' Notes Volume 19, Number 4 (1969) → Scalping Improves Growth and Survival of Loblolly Pine Seedlings During Drought

Scalping Improves Growth and Survival of Loblolly Pine Seedlings During Drought

During the spring of 1966, a tree improvement program was initiated in Oklahoma. The site chosen for the seed orchard was covered with native sod, mainly species of Andropogon. Initial pine grafting was to be done on 1-1 rootstock grown in the field. A test was established to help determine the best procedure for growing healthy rootstock for field grafting without extensive site preparation. In a study using paper mulch, Hermann (3) found first-year survival significantly higher than without the mulch, especially in areas with driest summers. Using wild hay and straw, Ursic (8) determined that first-year survival was increased significantly and that height growth was also benef- ited. Some mulches, such as sawdust, decreased available soil nitrogen This detrimental effect of sawdust mulch can be overcome by adding nitrogen fertilizers (1, 2).


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Author(s): Clayton E. Posey, Richard W. Walker

Publication: Tree Planters' Notes - Volume 19, Number 4 (1969)

Volume: 19

Number: 4