24 pages matching soil biological activity in this book
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Organic Beef Production Guidelines
Wheat Organic Production Guidelines
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Agriculture Western Australia animals applied areas balance calcium carrot production cattle cent chemical compost conventional growers cover crops crop rotation cultivation disease control ensure established export markets farming system feed fertilisers fruit grass grazing green manure green manure crop growth important improve soil inputs insect irrigation juice legumes levels mineral minimise mulch nitrogen nitrogen fixation nutrient nutrition orchards Organic and Biodynamic organic beef organic carrot organic certification organic citrus organic farming organic grapes organic growers organic production organic standards organic system organic vineyards organic wine paddock parasite perennial permitted pest and disease phosphate phosphorus plant potassium problems production system range rates reduce reported residues sandy soils season seed soil biological soil biological activity soil conditions soil fertility soil organic matter soil structure sources South Australia spray sprinklers tree varieties vegetable vines weed control weed management Western Australia whole farm winemaking yield