Diseases and Fumigation
The soil in each forest tree nursery throughout the world differs in one important aspect. The size of particles essentially accounts for most soil characteristics. Sandy soil contains large particles and clay soil contains small particles. The amount of clay, silt, and sand, or the amount of small, medium, and large particles in a soil is used to separate soil types. Since no one has developed an economical way to change soil particle size, such as a particle grinder, I suggest that we disregard soil management and direct our attention to the space between soil particles where the water and nutrients that promote growth and fungi, bacteria, insects, and nematodes that reduce growth exist.
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Author(s): Samuel J. Rowan
Publication: National Nursery Proceedings - 1968
Event:
Southeastern Nurserymen's Conference Proceedings
1968 - Stone Mountain, GA
Section: Nursery Soil Management
