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Roseville Soils Testing Annual Report: Year 1 <br />December 29, 2022 <br />Page 4 <br /> Soil pH Minnesota Lab <br />vegetation <br />Site Site Description management 10/15/2021 6/13/2022 10/10/2022 <br />Њ ƭǞğƌĻ ƓğƷźǝĻ Б͵Љ Б͵Љ Б͵Љ <br />Ћ ƭǞğƌĻ ĻķŭĻ ƷǒƩŅ Б͵Ў Б͵Љ А͵В <br />Ќ ƷƚƦ ƚŅ ĬĻƩƒ Ώ ĭƚƒƦƚƭƷ ƓğƷźǝĻ Б͵Љ Б͵Љ А͵В <br />Ѝ ƷƚƦ ƚŅ ĬĻƩƒ Ώ /hbwh\[ ƓğƷźǝĻ Б͵Љ Б͵Љ Б͵Љ <br />Ў ƷƚĻ ƚŅ ƭƌƚƦĻ Ώ ĭƚƒƦƚƭƷ ƷǒƩŅ А͵В Б͵Љ А͵Б <br />Џ ƷƚĻ ƚŅ ƭƌƚƦĻ Ώ /hbwh\[ ƷǒƩŅ А͵В А͵В А͵В <br />Soil pH is considered optimal for most plants at 6.0-6.5 <br />. <br />Overall, fertility seems higher in composted areas. It also seems higher in at the toe of the slope compared to the summit. <br />Natural fertility in these fill soils seemed high to begin with as well. However, C:N ratio is not optimal in both composted <br />and control areas, suggesting that compost and erosion control blanket were too much feed stock for the microbes. Too <br />much feed stock creates a situation where microbes consume nitrogen, leaving less for plants. Soil pH is also a bit high <br />across all study areas. <br />Salts: <br /> Salt Nebraska Lab (mmho/cm) <br />vegetation <br />Site Site Description management 10/15/2021 6/13/2022 10/10/2022 <br />Њ ƭǞğƌĻ ƓğƷźǝĻ <br />Ћ ƭǞğƌĻ ĻķŭĻ ƷǒƩŅ <br />Ќ ƷƚƦ ƚŅ ĬĻƩƒ Ώ ĭƚƒƦƚƭƷ ƓğƷźǝĻ Љ͵ЍЍ Љ͵ЉВ <br />Ѝ ƷƚƦ ƚŅ ĬĻƩƒ Ώ /hbwh\[ ƓğƷźǝĻ Љ͵ЊА Љ͵ЉВ <br />Ў ƷƚĻ ƚŅ ƭƌƚƦĻ Ώ ĭƚƒƦƚƭƷ ƷǒƩŅ Љ͵ЏЊ Љ͵ЊЍ <br />Џ ƷƚĻ ƚŅ ƭƌƚƦĻ Ώ /hbwh\[ ƷǒƩŅ Љ͵ЎЎ Љ͵ЊВ <br />Salt can hinder plant growth at levels greater than 3.0 mmho/cm. <br />A look at salts was added this year because food waste compost can sometimes include higher salt content. Fortunately, <br />Ward Labs has been providing that test in the past. Salts do not seem to be present in high enough concentrations to affect <br />soil and plant health. <br /> <br />Qbhf!8!pg!63 <br /> <br />