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Soil Conservation Earthworks Design Manual, K J. Bligh

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In view of the great diversity of hydrological conditions encountered in the field, and the relative paucity of information with which to design soil conservation earthworks, it is frequently not possible to quantify all aspects of hydrologic design. It remains for the practising soil conservationist to search for a reasonable solution to a problem which is most appropriate to the situation, location, information and skills. The equations in this Manual provide the best available estimates of flow rates and volumes for carrying out design but it must be recognised that the information has come from a relatively limited data set, …

East Ballidu Catchment Report, L K. Lenane, C Henschke, C Thorne, D Kessell

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It will require the total cooperation of all members of the Soil Conservation District to remedy the area's problems. The first priority is for the control and better use of water on the recharge areas. The wheat/wheat/lupin rotation at present offers the best economic option. Lupins are well suited to the areas of lighter land. If lupins are planted on waterlogged soils or otherwise unsuitable soils, problems will arise and perhaps prejudice their use on the widespread suitable areas. The use of trees below rocky outcrops is an important measure to prevent excessive recharge of the deeper aquifers. Where trees …

Livestock Statistics Western Australia Prices Of Livestock Sold At Midland Auctions, Department Of Agriculture And Food, Western Australia, R. L. Taylor

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Livestock prices are shown as monthly weighted average prices calculated from saleyard auction prices, Prior to July 1989 Midland auctions were reported on by the Western Australian Department of Agriculture's Livestock Market Reporting Service, Since July 1989, prices are derived from a weekly summary of sales prepared under contract to the Department of Agriculture by Nicholls Independent Livestock Information Service ,

Livestock slaughterings and production are derived from Australian Bureau of Statistics Catalogue No. 1305.5.