目录: 6 Introduction 9 THE ORGANIC WAY Improving on nature 9 12 THE SOIL What is soil? 12 Soil types 14 Soil management 15 18 SOIL IMPROVEMENT The four phases of soil management 19 Applying soil conditioners 20 Compost 21 Animal manure 27 Alternative soil conditioners 29 Worm-worked compost and manure 31 Green manure 32 35 FERTILIZERS Acidity and alkalinity 35 The need for nutrients 38 Organic fertilizers 40 43 ORGANIC PEST AND DISEASE CONTROL Maintaining a healthy garden 44 Companion planting 45 Controlling birds and animals 46 Controlling soil pests and insects 49 General garden diseases 52 Biological control 52 Organic chemicals 53 54 ORGANIC WEED CONTROL Clearing uncultivated ground 54 Hoeing 57 Mulching 58 Recognizing weeds 60 Useful weeds 62 64 PLANNING YOUR GARDEN The physical characteristics of your garden 64 Features to include 67
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