![]() Phosphorus and potassium move through the soil solution and to the root surface by diffusion in response to a concentration gradient. Dry soils can limit nutrient availability to plants, particularly nutrients that move readily through water (mass flow) such as nitrogen, sulfur, calcium, and magnesium. For the Hart weather station, soil moisture at 4 and 20 inches deep is 4.4 and 5.8%, respectively. Irrigate to maintain adequate soil moisture for water and nutrient uptake, particularly for young trees. Soil moisture is very low, and little rain is forecasted over the coming weeks. Watch the full weather outlook from MSU meteorologist Jeff Andresen. Climate Normals website, NOAA Climate Normals Quick Access Page (which may be searched by region) and Midwest Regional Climate Center website. More information and reports on normal weather conditions and departures from normal can be found on the NOAA Climate Prediction Center website, NOAA U.S. ![]() Weather for the 8-14 day outlook is expected to be moderate and drier than normal. Dry and sunny conditions are forecasted for this week. Conditions were similar across the region. Rain showers occurred on Friday, May 19, but this storm system brought little rain with only 0.12 inches and a 4-hour wetting period in Hart. This week, temperatures will be slightly warmer with highs in the 60s and 70s and lows in the 40s and 50s according to the Hart Enviroweather station. Weather data was gathered from MSU Enviroweather. Numerical integration was used for degree day calculations. Current and 5-year average GDD summary from Mar 1- May 23. ![]() Across the region, GDD accumulation is currently above the five-year average (Table 1). Based on the Hart Enviroweather station for May 23, current growing degree day (GDD) accumulation is 535 GDD 42 and 277 GDD 50. Tree phenology is advancing steadily, and fruit are sizing well across west central Michigan (Figure 1). For the remainder of last week, highs were in the 50s and 60s and lows were in the 30s and 40s. Last week, overnight temperatures on Monday and Tuesday, May 15 and 16, were at or near freezing. This spring has been mixed with warm and cool days.
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