Discussion Post
• You take a soil sample from your field, weigh it moist, oven-dry it, and weigh it dry. If the initial weight is 77 g and the final weight is 62 g, what is the gravimetric water content? If you know from previous soil sampling that the bulk density is 1.25 g cm-3, what is the volumetric water content? Make sure to show your work for full credit!
• How much monoammonium phosphate (MAP) would you need to apply to an onion crop to get 30 lbs. N per acre if the fertilizer bag reads 11-52-0? How much phosphorus and potassium would this supply in oxide forms?
The response must include a reference list. One-inch margins, double-space, Using Times New Roman 12 pnt font and APA style of writing and citations.