Topics in Subtropics

Planting Avocados It seems like the simplest thing is the hardest. Recently, I was called out to evaluate why newly planted trees were failing at two sites and they both had a common problem. In one case, the trees had been planted too deeply at the beginning.

Please join us for a weekly lunchtime seminar series. Each week we'll be joined by a guest speaker for a 30-minute presentation followed by questions from the listeners and more general discussion. The Zoom link will be the same each week. No pre-registration required. Meeting link:https://ucanr.

A recent call came through inquiring about the cause of water spotting or "staining" on lemons from a coastal orchard. The orchard was sprayed for pests using a horticultural oil in October and at harvest, the spotting was noted.

Soils vary across a landscape according to soil-forming factors present in a particular location. To help those involved in land management and planning, the U.S. Department of Agriculture launched the National Soil Survey in 1899 to systematically map changes in soils across the country.

The Keys to Soil Taxonomy, 13th edition, has been posted to the USDA, NRCS website. The Keys to Soil Taxonomy provides the taxonomic keys necessary for the classification of soils in a form that can be used easily in the field.