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Irrigation should be in full swing this time of year. I often get asked how frequently irrigation lines should be checked for clogging and breakage. The answer is every time an irrigation is applied.
Based on some recent discussions on soil gypsum requirements, there seems to be a need to discuss pH - what it is, how it is measured and what it means. The pH scale is a measure of the amount of hydrogen present in a system, in other words, how acid the system is.
In our last edition of Subtropical News I reported on a trial that David Crowley at UC Riverside and I had done trying to correct zinc deficiency in avocado. One technique that worked well was 7.5 pounds of zinc sulfate per tree applied to the soil surface.
The following list has been compiled for the convenience of growers. The names are listed in alphabetical order, and no endorsement of any individual is intended, either expressed or implied.
Sample Costs to Establish a Madarin Orchard (7/05) Late Hanging Navels Mapping Your Orchard New Zealand Citrus Rootstocks Satsumas in New Zealand The Small Fruit Dilemma...
Spring is a time when the grower thinks of replanting and topworking unproductive trees or reworking trees to pollinator varieties. It is also the time when warm weather is starting the weed season. Plants are starting to grow with warmer weather.
April is a transition month from the winter to the summer. Depending on the rainfall, we may be in full irrigation swing or there may still be occasional showers that keep the pumps quiet. Whatever, the irrigation system should be ready to go into action.
The large amount of rain we have been having this season brings good news and potentially bad. The rain leaches out accumulated salts that we have placed in the root system by irrigating during the previous summer and fall.
