Which of the following can enhance crop yield through effective stress management?

Study for the CCA Ontario Crop Management Exam. Prepare with multiple-choice questions; each provides hints and explanations. Ensure your readiness for the exam!

Applying timely nutrient applications can significantly enhance crop yield through effective stress management because plants require a balanced and adequate supply of essential nutrients at specific growth stages to optimize their development and productivity. When nutrients are applied at the right time, it ensures that the plants can effectively absorb and utilize them, thus supporting processes such as photosynthesis, root development, and overall growth. This timely application helps plants cope with various stresses, such as drought or pest pressures, by improving their resilience and health.

Other strategies, like decreasing water usage, may reduce stress but can also lead to underperformance if crops do not receive sufficient water for optimal growth. Minimizing crop diversity typically increases vulnerability to pests and diseases rather than providing stress resilience, while using genetically identical seed stock can make a crop more susceptible to stress and reduce genetic diversity, which is crucial for adapting to various environmental conditions. Thus, timely nutrient applications stand out as a proactive measure that directly supports healthy crop growth and yield enhancement.

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