Question

Arrange in the correct sequence the steps of Precision Agriculture
(A). Evaluation of precision agriculture
(B). Preparation of variability maps
(C). Managing variability
(D). Assessing variability

Choose the correct answer from the options given below:

• A. (A), (B), (C), (D).
• B. (D), (B), (C), (A).
• C. (B), (A), (D), (C).
• D. (C), (B), (D), (A).

Hint:

Precision agriculture always begins with data acquisition (Assessing) and ends with verification of results (Evaluating). This logically identifies "D" as the starting step and "A" as the final step.

Answer 1

The Correct Option is B

Step 1: Understanding the Concept:
Precision agriculture is a circular management cycle aimed at identifying, mapping, and site-specifically treating field spatial variability.

Step 3: Detailed Explanation:
Let us establish the logical engineering workflow for precision farming:
1. Assessing variability (D): First, we must identify and measure field variations (soil properties, yield, or weed distribution) using grid sampling, yield monitors, or remote sensing.
2. Preparation of variability maps (B): Next, we process this spatial data into detailed diagnostic maps using GIS interpolation tools.
3. Managing variability (C): Based on these maps, we apply site-specific treatments (such as variable-rate fertilizer or localized herbicide spraying).
4. Evaluation of precision agriculture (A): Finally, we assess the economic, yield, and environmental impacts of our interventions to refine future cycles.
Therefore, the correct chronological sequence is: (D) \(\rightarrow\) (B) \(\rightarrow\) (C) \(\rightarrow\) (A).

Step 4: Final Answer:
The correct option is 2, which corresponds to (D), (B), (C), (A).