Havamsu
GARDEN / A VISUAL GUIDE
Practical growing ideas for the space you have.
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Only reuse potting mix if last season's crops stayed healthy. Discard medium immediately if previous vegetables suffered from sudden wilt, stem streaks, damping-off, or root rot. Never bake or microwave diseased soil at home.
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Tip spent soil onto a tarp and remove large root masses. Pass the medium through a half-inch hardware cloth screen. If white mineral crusts appear, flush the mix repeatedly with clean water to leach accumulated fertilizer salts.
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Decomposed peat compacts and cuts off oxygen. Rebuild macro-pore spaces by blending in fresh coarse horticultural perlite, pumice, or parboiled rice hulls at 10% to 20% of the total soil volume.
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Combine spent mix 50:50 with fresh commercial potting soil or finished, weed-free compost. When planting, incorporate a balanced, slow-release granular organic vegetable fertilizer according to package instructions to nourish new seedlings.
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Scrub non-porous pots and soak for 10 to 30 minutes in a 10% bleach solution, then rinse thoroughly. Clean terracotta with hot water. Rotate plant families annually to break pest and disease cycles.
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Avoid leaving spent mix in open winter pots where freeze-thaw cycles degrade perlite. Pack slightly damp, sifted mix into lidded storage bins or heavy-duty bags, and store them sheltered in a shed, garage, or covered balcony.
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