http://www.spectrumanalytic.com/doc/ 2012-03-02T12:38:51-05:00 http://www.spectrumanalytic.com/doc/ http://www.spectrumanalytic.com/doc/lib/images/favicon.ico text/html 2012-02-29T14:04:45-05:00 wayland http://www.spectrumanalytic.com/doc/library/newsletter/start?rev=1330542285&do=diff The Analysis * [Winter 2010] * [Summer 2011] * [Winter 2011] The Turf Analysis * [Winter 2011] text/html 2011-11-21T16:17:02-05:00 bill http://www.spectrumanalytic.com/doc/library/articles/soil_test_p_and_k_buildup_and_drawdown?rev=1321910222&do=diff build, buildup, K, K20, P, P2O5, phosphorous, potassium, raise, ratio, rates, soil, soil test, soil test levels It is common to hear people discuss fertilizer recommendations in terms of crop removal, plus or minus soil test buildup as if they were somehow disconnected from each other. In fact, they are two aspects of the same subject. Most of us fall into the habit of thinking that we are fertilizing plants. Except for foliar fertilizer or tree trunk injection, we do not fertil… text/html 2010-09-23T14:34:06-05:00 wayland http://www.spectrumanalytic.com/doc/library/articles/soil_buffer_ph?rev=1285266846&do=diff ph, soil ph, buffer ph, lime, clay, sand, 7.0, 14, nutrient availability chart Soil pH This is a measure of the soil acidity or alkalinity and is sometimes called the soil “water” pH. This is because it is a measure of the pH of the soil solution, which is considered the active pH that affects plant growth. Soil pH is the foundation of essentially all soil chemistry and nutrient reaction and should be the first consideration when evaluating a soil test. The total range of the soil pH s…