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Concentrate Works on caterpillars of all kinds that munch on leaves.
For enriching planting soil for roses, mature manure is the stuff of choice, though ever harder to find. Various composts have recently appeared as gardeners, cities and industry learn to make it. However most composts lack the nutrients of manure, though the carbon-containing humus is there. Basic Minerals is a rock dust mix designed to provide important minerals mostly via very slow release. We also add epsom salts and gypsum for sulphur, magnesium and calcium.