You are here

contrasting soil type

Categorised under:

Catalogue: GRDC Media
New GRDC research tackles return to tillage.. Dr Yash Dang, Department of Science, Information Technology, Innovation and the Arts (DSITIA) says many grain growers are resorting to cultivation to manage problem grass weeds... Chemical: soil carbon status (including fractionating soil carbon into pools with differing lability), profile mineral nitrogen and potentially mineralisable nitrogen in labile organic fractions, phosphorus, potassium and zinc, and crop nitrogen and phosphorus uptake...
Related categories:

Catalogue: GRDC Final Reports
Abstract: Field experiments were conducted at Warooka and Rudall on the Yorke and Eyre Peninsula of South Australia during the 2004 and 2005 growing seasons to investigate the effectiveness of metribuzin for the selective control of rigid brome in no-till sown barley (Hordeum vulgare)... Incorporated by sowing (IBS) metribuzin (202.5 to 270 g ai/ha) was more effective in controlling rigid brome (>75%) than the same herbicide dose applied postemergence (POST)... Although metribuzin at the highest rate (270 g ai/ha) provided superior weed control, it was more phytotoxic to barley, reducing its plant density by 23% relative to the untreated control at Rudall which had a soil with low clay and organic matter content...
Related categories:
Catalogue: GRDC Final Reports
In line with previous research findings using rice, the wheat experiments showed overall consistency among genotypes in root penetration between a wax layer in soil columns and a hardpan in the field... 2. Wheat varieties differ in root penetration of a wax layer and of field soils Seminal and nodal root penetration ability through thin wax layers was evaluated in 24 Australian wheat varieties and breeding lines in soil columns... 5. Substantial variation among DH lines in root depth below the wax layer and in the field Study of the genotypic variation in hardpan penetration ability within the same genetic background was undertaken using a DH population (N = 143) of the cross between Halberd (good) and Cranbrook (poor)...
Related categories:
Catalogue: Ground Cover
David Trevilyan says while there has been limited opportunity for irrigation due to wet seasonal conditions since they installed the centre pivot across 100ha in 2012, the system is already proving a cost-effective investment... "We considered slowing down the centre pivot over the black soil to help capitalise on its greater water-holding capacity, but this approach would cause the crop on our fast-draining red soil to become water-stressed.".. Saturated conditions due to rainfall in 2013, which prevented the Trevilyans from getting onto their waterlogged black soil to seed cotton, has added another dimension of difficulty to their on-farm practices, with the crop having to be planted at different times on the two soil types...
Related categories:

Associated key phrases