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northeastern Ohio | I would recommend waiting a year. Alfalfa thins out due to disease, fertility, bugs and physical damage. Physical damage and bugs can be easily overcome by reseeding and spaying for pests. However, disease generally requires time for the disease load to reduce. Rotating to a different crop (grass crops like corn are better than other legumes) can help in reducing disease pressure. Fertility also takes time, especially deep fertility that is required by alfalfa. Yes, you can put all the nutrients on and even mix them into the top few inches, but it takes time for them to reach the depths that alfalfa require. It also takes time for the nutrients to be mineralized and released at those depths. The year waiting period would also be a good time to add more lime and give it time to work as well. | |
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reseeding alfalfa
