Which sequence best represents the three steps of nutrient management planning based on soil test results?

• A. Conduct soil sampling and analysis; interpret results; determine lime and fertilizer recommendations with appropriate timing and placement.
• B. Apply fertilizer uniformly across fields based on average requirements.
• C. Measure rainfall; select crop variety; plan harvest date.
• D. Conduct soil sampling only.

Answer: (A)

The sequence for nutrient management planning starts with collecting soil samples and analyzing them to know the soil’s nutrient status and pH. That analysis provides the data you need about what nutrients are present, in what amounts, and how the soil’s acidity might affect availability.

Next, you interpret those results to determine which nutrients may be deficient or excessive and whether liming is needed to correct soil pH. Interpretation translates raw test numbers into practical conclusions about crop needs and soil constraints.

Finally, you turn that interpretation into concrete lime and fertilizer recommendations, including the types of nutrients, amounts (rates), timing, and placement. This step ensures applications match the crop’s growth stages and root zone, optimize uptake, and minimize environmental losses.

Other options don’t fit because applying fertilizer uniformly ignores soil variability and the soil-test basis for recommendations. Merely measuring rainfall, choosing a crop variety, or planning a harvest date are important aspects of crop management, but they are not the nutrient-management steps driven by soil test results. Conducting soil sampling alone omits interpretation and actionable recommendations.