![]() Some nutrients require a yearly application, while others require more frequent addition. Remember that over time, the nutrients in the soil gets depleted. Therefore, do a soil test first to ensure that you’ll meet the goals of your British garden’s productivity. Remember that you will only get the fertiliser’s correct rate if you see the crop nutrient requirements. ![]() Therefore, you will need 4.6 gallons of liquid fertiliser.īesides the liquid fertilizer rate, you also want to know how to calculate the nutrient requirements. You’ll then get 50 pounds, and you’ll divide this by 10.86. You’ll get the fertiliser rate first, which means multiplying 15 by 100 and dividing it by 30. Let’s say that you need to apply 15 pounds of nitrogen using a liquid fertiliser with 30% nitrogen per weight, and the weight of UAN is 10.86 pounds per gallon. If you’re still confused with using and applying the formula, a simplified equation would be multiplying the required nutrient application rate by 100 and dividing it by the per cent nutrient in the fertiliser multiplied by the fertiliser weight. Still, you’ll also account for the liquid fertiliser’s weight to find out its nutrient content. Overall, the calculation for liquid fertiliser rate is similar to how you’d compute the rate of dry fertilisers. Using the values from the previous two computations, you can get the tons for 500 acres. You will also get the gallon of UAN per acre by dividing 160 by the amount you’ve had previously. One can simplify the calculation as 10.86 pounds per gallon multiplied by 0.30-pound Nitrogen per pound of fertiliser, and you’ll get the pound of N per gallon of fertiliser. In this example, 10.86 pounds per gallon of fertiliser contains 30% nitrogen, which means you’ll get 0.30 pounds of N per pound of the fertiliser. You will need the values mentioned earlier, which means you should be aware that a 30% UAN liquid N fertiliser will suffice for 500 acres of corn. Using the formula, you will find the N application rate in gallons per acre and the amount you’ll need to apply 160 pounds of N on the area. ![]() To further help you understand the formula, let us use an example of calculating the liquid nitrogen fertiliser rate for a crop like corn. Understanding these four values will help you apply the formula and calculate it without issues. The formula is applicable only if you’re using a liquid fertiliser. The third part of the formula is the total area in the UK where you’ll use the fertiliser, which is self-explanatory.Īnd lastly, what differentiates a liquid fertiliser rate from other rates is that you’ll also need to know the material’s density or weight. The test will let you know your target rate and use the ideal fertiliser to provide your plants’ needs. You’ll also need to do a soil test, which is crucial before handling fertilisers. For example, read the label to find the N-P2O5-K2O content of your fertiliser. Over time, you’ll get comfortable in inserting the values. It might be overwhelming to read the formula upon a glance, but it is straightforward. The first step in calculating liquid fertiliser rates is understanding the formula. And as time goes on, you can get used to the concepts, making rate calculations almost like second nature.Ĭomprehensive Guide On How To Calculate Liquid Fertilizer Rates Those who need to use liquid fertiliser can do basic calculations to determine the rate themselves. More so, proper fertiliser management plays a significant impact on the environment and other living things close to the area in the UK.
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