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Plant Classification and Naming
Water and Minerals in the Plant
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acid active ingredients adult Advisory Leaflet aphid apple applied areas auxin bacteria brassicas buds calcium carbon dioxide cause cell characteristics chemical chrysanthemums clay colour commonly compost concentration containing crop cucumbers cultivars cultivation cycle damage decomposed deficiency drainage eggs female fertilizers field capacity Figure flower fruit fungi fungus germination glasshouse grass groundsel grower growing medium growth herbicides horticulture humus important increase infected insecticides larva layers leaf leaves lettuce light lime loam MAFF magnesium material minerals nematode nitrate nitrogen nutrients occur organic matter levels particles peat pesticides pests and diseases phloem phosphate photosynthesis plant Plate pollen potassium potato prevent produce protected red spider mite reduced residual resistance respiration rock roots sand seed seedling silt soil pH soil structure soil surface species spores sprays stem sterilization stomata subsoil survive symptoms temperatures tissue tomato trees vegetative virus weed whitefly xylem yellow