Land should be cared for like oneself, always showing love and appreciation for the soil you cultivate. Avoid overuse and excessive acidity. Fertilizers should be applied in the proper amount and ratio according to the specific needs of the plants. Once you have obtained the results of your soil sample analysis from a laboratory or government soil department that offers soil examination services, you can proceed to calculate the amount of fertilizer required for your acre of land based on the nutrient recommendations provided by soil scientists. The primary nutrients necessary for plant growth are nitrogen, phosphorus, and potassium, often referred to as N-P-K or complete fertilizer. These nutrients are crucial for providing the essential elements needed by plants. Here are the sample problem for fertilizer computation: A rice field experiment calls for the application of 140-100-130. How many kilogram of 14-14-14,17-0-17 and urea can applied to 625 square meter ? Write the