AgSource Soil Particle Size Analysis

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Laboratory soil testing is a fundamental aspect in developing and implementing any soil fertility program. A soil test, which can range from a composite sample representing 80 acre s, to intensive grid samples representing one acre, provides the clarity needed to accurately maximize yield with the proper amount of inputs. SOIL TESTING PACKAGES: Basic – pH, buffer pH, soluble salt, excess carbonate, organic matter, sodium, phosphorus, potassium, magnesium, calcium, CEC and percent base saturation. Routine – Basic Package, plus: nitrate, sulfur, zinc. Diagnostic – Routine Package, plus: manganese, copper, iron and boron. OTHER SOIL ANALYSIS OPTIONS: Particle Size Analysis. Saturated Paste Extract. (salinity) Soil Health Testing. Soybean Cyst Nematode. Late Spring/Pre-Sidedress Nitrate Testing – option to add ammonia. *You must bring in or mail back your soil sample to receive results. Show more