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Grasses, Pastures & Hay
Fertilizer question
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<blockquote data-quote="Mark Reynolds" data-source="post: 1847822" data-attributes="member: 43196"><p>We keep talking fertilization here. Bear in mind, we need to look at the soil tests. Please post those here. Phosphorous and its importance has been mentioned, which is good. I'll point out that it is the AVAILABILITY of the phosphorous to the plant, not so much (although its a factor) the quantity within the soil. When there is low availability of phosphorous, broomsedge is going to dominate your pasture. Why? Broomsedge does not require the availability of phosphorous that most other more desirable grasses/forages do. Fescue isn't as finicky as many, but is more so than broomsedge by far.</p><p></p><p>Availability of phosphorous is determined by two factors. The first being the quantity of it within the soil, hence fertilization. However, the 2nd factor, often overlooked, and MUST be addressed or the first factor of quantity isn't going to matter, is the pH of the soil. The pH determines the availability of the nutrients within the soil to the plants. If the pH is too 'skewed' one way or another, Nutrients that are in the soil, no matter how much there is, simply aren't available. What happens is that if the pH is off, the nutrients become bound to the soil and the plant cannot absorb them. This is why we need your soil test.</p></blockquote><p></p>
[QUOTE="Mark Reynolds, post: 1847822, member: 43196"] We keep talking fertilization here. Bear in mind, we need to look at the soil tests. Please post those here. Phosphorous and its importance has been mentioned, which is good. I'll point out that it is the AVAILABILITY of the phosphorous to the plant, not so much (although its a factor) the quantity within the soil. When there is low availability of phosphorous, broomsedge is going to dominate your pasture. Why? Broomsedge does not require the availability of phosphorous that most other more desirable grasses/forages do. Fescue isn't as finicky as many, but is more so than broomsedge by far. Availability of phosphorous is determined by two factors. The first being the quantity of it within the soil, hence fertilization. However, the 2nd factor, often overlooked, and MUST be addressed or the first factor of quantity isn't going to matter, is the pH of the soil. The pH determines the availability of the nutrients within the soil to the plants. If the pH is too 'skewed' one way or another, Nutrients that are in the soil, no matter how much there is, simply aren't available. What happens is that if the pH is off, the nutrients become bound to the soil and the plant cannot absorb them. This is why we need your soil test. [/QUOTE]
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