Momento de corte de la alfalfa
Alfalfa Harvesting: Timing for Optimal Quality
Importance of Cutting Timing
- The discussion emphasizes the need to reconsider traditional harvesting practices for alfalfa, moving away from the old guideline of cutting at 10% flowering.
- It is recommended to cut alfalfa at the pre-bud stage, which may result in a slight reduction in dry matter yield per hectare but significantly improves nutritional quality.
Nutritional Quality Considerations
- Harvesting at the pre-bud stage leads to higher nutritional content due to better cellular composition compared to later stages like 10% flowering, where structural tissues dominate and reduce quality.
- The focus on protein and soluble sugar content during this early growth phase enhances the overall value of both hay and silage produced from alfalfa.
Leaf Retention and Its Impact
- Leaf retention is crucial as approximately 70% of an alfalfa plant's nutritional value resides in its leaves; thus, minimizing leaf loss during harvest directly influences the quality of the final product.