Location

Perth, WA

Disciplines

Soil Science

Description

Nitrogen (N) fertilisers are applied to the soil to meet crop N demands. A large proportion of Western Australian (WA) cropping soils are acidic, decreasing access to plant available nutrients. Application of lime is generally the most effective means of ameliorating increasing soil acidity. Meanwhile, legumes are grown rotationally with cereals to increase plant-available soil N levels. We used a field experiment at Merredin, WA (Latitude -31.483347; Longitude 118.219093) to measure the influence of historic lime application and crop rotation on soil N availability and microbial biomass carbon (MBC).

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Influence of Lime and Crop Rotation on Soil Nitrogen, Dry Matter Production and Microbial Biomass; a Field Trial, Merredin, WA

Perth, WA

Nitrogen (N) fertilisers are applied to the soil to meet crop N demands. A large proportion of Western Australian (WA) cropping soils are acidic, decreasing access to plant available nutrients. Application of lime is generally the most effective means of ameliorating increasing soil acidity. Meanwhile, legumes are grown rotationally with cereals to increase plant-available soil N levels. We used a field experiment at Merredin, WA (Latitude -31.483347; Longitude 118.219093) to measure the influence of historic lime application and crop rotation on soil N availability and microbial biomass carbon (MBC).