Which nutrient is often limiting in California's agricultural soils?

In California's agricultural soils, nitrogen is often the limiting nutrient due to several factors. The state's diverse climates and varying soil types can contribute to nitrogen deficiency, as crops often require more nitrogen than is available in the soil. This is particularly true in regions with intensive agriculture, where high plant demand can deplete nitrogen levels.

Additionally, nitrogen is highly mobile in the soil and can easily leach away, especially in areas with heavy rainfall or irrigation practices that lead to increased water movement through the soil profile. This leaching can reduce nitrogen availability, making it a critical nutrient to manage effectively for crop production.

Hence, understanding nitrogen's dynamic nature in agriculture is essential for enhancing soil fertility and ensuring optimal crop yields in California.