The upper subsoil may or may not have mottles. Seasonal water table is between 12 to 24 inches. Poorly drained soils typically have a blackish surface layer that is underlain by a gray subsoil that is mottled. These soils have a water table at or near the surface for a significant portion of the year. soil feature unique to some coarse textured soils is a dark reddish or yellow layer often referred to as a rust line. This feature can form within the soil through two contrasting processes which may or may not be the result of a high water table.
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growing season. However, dormant oil decreases the insect populations by killing overwintering adults and eggs, and thus slows seasonal build-ups. This makes it well worth the extra time and cost. Dormant oil is regularly used on apple, pear, plum, quince and crabapples. It is also recommended for use on currant and gooseberry bushes. As the word dormant implies, this spray should be applied before the buds swell or before new growth starts in the spring. If applied after growth starts, the new tissue can be damaged. Application