Which of the following is not an advantage of minimum tillage when planting wheat?

Prepare for the Montana FFA Agronomy Test with detailed quizzes and explanatory questions. Enhance your understanding and get exam-ready with our structured study aids.

Minimum tillage is a conservation practice used in agriculture primarily to protect the soil and improve sustainability. The choice indicating "increased loss of soil moisture" is correct as not being an advantage of minimum tillage because, in fact, minimum tillage typically helps retain soil moisture.

When tillage is limited, the soil structure remains more intact, which facilitates better moisture retention. Disturbing the soil through excessive tillage can lead to increased evaporation and thus a reduction in moisture. In contrast, methods like minimum tillage leave crop residues on the soil surface, helping to create a protective barrier that reduces evaporation rates.

The other options listed are benefits associated with minimum tillage. These include less soil erosion, as minimal disturbance keeps the soil in place and protects it from wind and water erosion. It also results in lower fuel and equipment costs since less tilling means less machinery use and lower energy expenses. Similarly, improved soil structure is a direct benefit of maintaining soil integrity by avoiding excessive tillage, which can help enhance the soil's physical properties and promote better root growth and water infiltration.

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