"PH", is a numerical figure used to describe the relative acidity or alkalinity of a particular soil. A ph of 6.5-7.0 is considered "neutral" as it provides the best median for nutrient "movement" and for them to hook onto the soil particles. Any reading on a soil test that is below 6.00 is telling you you have an acid soil and it needs lime. A reading between 6.0-6.5 tells you that the soil is OK for now, but will be needing lime soon. "Units" of fertilizer refer to the actual pounds of a particular nutrient applied to a field. For example, for the most part, nitrogen for pastures is supplied (generally) with either ammonium nitrate or urea. Ammoniun nitrate typically contains 34% actual product that is utilized by the plant. In every 100 pounds of product you get 34 pounds (units)of actual nitrogen. The other 66 pounds is filler that is necessary to "carry" the actual nitrogen. If you needed 40 actual pounds (units) of nitrogen per acre and you were using ammonium nitrate, then you would put on 118 pounds of total product. (118x34%=40.12 pounds of actual nitrogen) There are other nitrogen sources so make sure you know which product you are using, as the percentage of actual nitrogen will vary.
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Today's Featured Article - Old Time Threshing - by Anthony West. A lovely harvest evening late September 1947, I was a school boy, like all school boys I loved harvest time. The golden corn ripens well and early, the stoking, stacking,.... the drawing in with the tractors and trailers and a few buck rakes thrown in, and possibly a heavy horse. It would be a great day for the collies and the terrier dogs, rats and mice would be at the bottom of the stacks so the dogs, would have a busy time hunting and killing, all the corn was gathered and ricked in what we c
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