Priorities and reminders

Generally growers appear to be dealing well with the heat. With drip irrigation it is imperative that soils are moist before the heat of the days arrives. Given the high clay content in water at present it is also a good idea to ensure that irrigations systems are clean, so that the application rates are working efficiently and able to add water at an adequate rate.
Regular cleaning of filters and flushing of drip lines may be needed to achieve the correct application rate. Often during heat waves vines can shut down sugar accumulation as part of a stress response. In many cases at the moment the continued hot weather has led to rapid increase in ripening of fruit. It is a good idea to sample fruit regularly and send the results in to the relevant winery to facilitate harvest in a timely manner. Even varieties that are normally harvested late should be tested, to avoid any surprises.

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