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soil erosion

Catalogue: GRDC Final Reports
Alkaline soils occupy about 23.8% of total land area in Australia... The project has shown that application of gypsum and growing of legumes can effectively reduce the soil pH below 9.0... Our experiments have shown a higher correlation between CROSS and clay dispersion (as well as relative hydraulic conductivity) of alkaline soils than the correlation with SAR...
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Catalogue: Broadacre Field Crops DAFF QLD
As a green manure crop, soybeans provide good quantities of dry matter and large amounts of nitrogen... Better efficacy could be obtained by using smaller nozzles and lower water rates on small weeds... The problem with the system in the wet tropics is that decomposition is rapid and much of the available nitrogen will be lost through leaching or denitrification under waterlogged conditions...
Related categories:
Catalogue: Broadacre Field Crops DAFF QLD
As a green manure crop, soybeans provide good quantities of dry matter and large amounts of nitrogen... Better efficacy could be obtained by using smaller nozzles and lower water rates on small weeds... The problem with the system in the wet tropics is that decomposition is rapid and much of the available nitrogen will be lost through leaching or denitrification under waterlogged conditions...
Related categories:
Catalogue: Broadacre Field Crops DAFF QLD
As a green manure crop, soybeans provide good quantities of dry matter and large amounts of nitrogen... Better efficacy could be obtained by using smaller nozzles and lower water rates on small weeds... The problem with the system in the wet tropics is that decomposition is rapid and much of the available nitrogen will be lost through leaching or denitrification under waterlogged conditions...
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Catalogue: GRDC Media
Furrow sowing often worsens water repellence.. New research findings confirm grower observations that Western Australia's most common seeding technique - furrow sowing using knife points and press wheels - often exacerbates water repellence on sandplain soils... "But recent evidence shows this technique can in some circumstances actually cause water repellent soil to become concentrated with the seed and fertiliser in the base of the furrow," he said "This may be a result of the flow of dry, water repellent soil around the knife point and into the slot ahead of the closer plate and press wheel...
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