Keeping your urban planter box soil fertile throughout the growing season is key to a thriving garden. Start by mixing high-quality compost or well-rotted manure into the soil at planting time. This builds a rich foundation. As plants grow, side-dress them by gently scratching granular organic fertilizers, like kelp meal or bone meal, into the soil surface every 4-6 weeks. For a quick nutrient boost, use liquid fertilizers such as diluted fish emulsion or DIY compost tea every two weeks. Remember to mulch the soil with straw or grass clippings to retain moisture and slowly add organic matter. Finally, practice crop rotation in your boxes each season to prevent nutrient depletion and keep your soil naturally productive.
How can I add nutrients to the soil in my urban planter boxes throughout the growing season?
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