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Article
Achieving the win–win: targeted agronomy can increase both productivity and sustainability of the rice–wheat system
Maximizing productivity of the rice–wheat (RW) system is a major challenge for achieving food security in the Eastern Gangetic Plains (EGP) of South Asia. Ideally, productivity should increase along with incre...
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Article
Stable isotope techniques for quantifying N fertiliser recovery in maize grown in soils with different management histories
The 15 N natural abundance (NA) method is increasingly used to quantify fertiliser N recovery by crops, even though this method does not always provide comparable results to those obtained using 15 N-enrichment (...
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Chapter
No-till Farming Systems for Sustainable Agriculture: An Overview
No-till (NT) farming systems have revolutionized agriculture by improving erosion control, soil water storage, soil quality and, in many instances, yield and net farm income. The adoption of NT systems has inc...
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Chapter
No-Till Systems to Sequester Soil Carbon: Potential and Reality
The conversion of soils from conventional till (CT) to no-till (NT) management has been identified as a soil management practice with the potential to increase soil organic carbon (SOC) sequestration and help ...
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Article
Absorption of foliar applied Zn is decreased in Zn deficient sunflower (Helianthus annuus) due to changes in leaf properties
Despite the importance of foliar Zn fertilisation, it remains unclear how the Zn status of the plant itself influences the efficacy of foliar applied Zn, with this forming the focus of the present study.
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Article
Selection for rapid germination and emergence may improve wheat seedling establishment in the presence of soil surface crusts
Semi-arid crop** regions are commonly affected by surface crusting of sodic soils, resulting in reduced seedling emergence and grain yield. Although seedlings of different genotypes potentially differ in the...
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Article
The effect of salinity on plant-available water
Plant-available water is determined by soil matric and osmotic potential. The effect of salinity is a combination of the osmotic potential, the plant’s capacity to osmotically adjust, and the specific toxicity...
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Article
Growth and physiological responses of teak (Tectona grandis Linn. f.) clones to Ca, H and Al stresses in solution and acid soils
The adaptation of teak to acid soils was tested by studying physiological responses of teak clones to varying concentrations of Ca, H (pH) and Al in solution and soil culture. Nutrient solutions containing 0.0...
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Article
Sulfur dynamics in sub-tropical soils of Australia as influenced by long-term cultivation
Deficiencies of S in agricultural crops are becoming more common but comparatively little is known regarding the kinetics of cultivation-induced long-term changes in soil S pools.
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Article
Farmer Involvement in the Development and Adoption of Improved Nutrient Management Technologies Using the Mother–Baby Trial Approach in Vertisols
Research findings are often not adopted by farmers, for which many reasons have been suggested including poor communication between researchers and farmers. Mother–baby trials, involving on-farm participation ...
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Article
Kinetics and mechanisms of cowpea root adaptation to changes in solution calcium
Close regulation of cellular Ca in roots is required in the face of marked changes in soil solution Ca over time and space. This study’s aims were to quantify and gain insights into the ways in which roots res...
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Article
A web-accessible computer program for calculating electrical potentials and ion activities at cell-membrane surfaces
Increasing evidence indicates that plant responses to ions (uptake/transport, inhibition, and alleviation of inhibition) are dependent upon ion activities at the outer surface of root-cell plasma membranes (PM...
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Article
Influence of Increasing Soil Copper Concentration on the Susceptibility of Phosphomonoesterase and Urease to Heat Disturbance
Long-term exposure to elevated copper (Cu) concentrations may affect the ability of soil microbes to withstand additional transient disturbances, such as heat. Bulk surface soil samples collected from three so...
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Article
Horticultural Use of Copper-Based Fungicides Has Not Increased Copper Concentrations in Sediments in the Mid- and Upper Yarra Valley
The use of Cu-based fungicide can pose a risk to nearby surface water bodies due to the run-off of accumulated Cu from agricultural soils. In 2008, we conducted a reconnaissance survey of the presence and conc...
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Article
Industry Wide Risk Assessment: A Case Study of Cu in Australian Vineyard Soils
There are concerns over the environmental risks posed by Cu-based fungicide use, and there is community and regulatory pressure on viticultural industries to restrict the use of Cu-based fungicides. This study...
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Article
The Effects of Copper Hydroxide, Captan and Trifloxystrobin Fungicides on Soil Phosphomonoesterase and Urease Activity
There is increasing community awareness of the potential environmental risks posed by Cu-based fungicide use, which is placing increasing pressure on governments and industry to undertake risk minimisation act...
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Article
Effects of copper fungicide residues on the microbial function of vineyard soils
The use of copper-based fungicides leads to an accumulation of copper (Cu) in vineyard soils, potentially causing adverse effects to the microbial function and fertility of the soil. This study used a soil mic...
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Article
Identifying the species of copper that are toxic to plant roots in alkaline nutrient solutions
The pH of the growth medium influences Cu speciation in solution, the negativity of plasma membrane (PM) surface potential, and hence the rhizotoxicity of Cu.
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Article
Environmental Fate of Fungicides in Surface Waters of a Horticultural-Production Catchment in Southeastern Australia
Fungicides are regularly applied in horticultural production systems and may migrate off-site, potentially posing an ecological risk to surface waterways. However, few studies have investigated the fate of fun...
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Article
Interaction between Cu toxicity and P deficiency in soil-grown cowpea (Vigna unguiculata (L.) Walp.)
Anthropogenic contamination with Cu is an important issue and it is necessary to understand how Cu toxicity influences the uptake/acquisition of nutrients by plants. An experiment was conducted with soil-grown...