蔬菜栽培英文版ppt課件-資料下載頁
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【正文】 en fertilizing ? Vegetable plants vary in NPK needs ? Annual application of post (511lbs./sq. yd.) or manure (12lb./sq. yd.) ? Green manure crops (legumes, rye) overwinter or intercropped ? Granular Nfertilizers applied in Spring (one month before planting) Weed control ? Hand weeding ? Hoe weeding ? Mulch – Plastic, anic, newspaper ? Proper plant spacing Vegetable garden pests (p. 498) ? Animals – Birds, rabbits, deer, voles, insects ? Insects – Sucking insects, chewing insects – Moths/caterpillars。 beetles/grubs ? Microanisms – Bacteria, fungi, viruses ? Virginia Tech – Insect pests of vegetables Training plants ? Optimize use of space ? Lessen contact of fruit with soil Training plants Cages Home gardening resources ? NCSU Information leaflets
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