2000
DOI: 10.1080/00288233.2000.9513442
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A comparison of soil and environmental quality under organic and conventional farming systems in New Zealand

Abstract: Organic farming in its various forms is seen by many as a sustainable alternative to conventional farming. This review considers and compares aspects of soil and environmental quality associated with organic and conventional farming systems under New Zealand conditions. The sustainability parameters considered include soil quality, nutrient dynamics, nutrient budgets, trace elements, and pesticides. The review used information from appropriate comparative studies conducted in New Zealand and overseas. However,… Show more

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Cited by 66 publications
(40 citation statements)
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“…Due to the low availability of any type of manure in Greece and its subsequent high cost, the organic farmer incorporated weeds, pruning residues, nonmarketable or dropped fruits and fresh residues of vegetable crops as organic amendments (i.e., plant compost) to compensate for any nutrient losses and to strengthen nutrient cycling (Condron et al, 2000).…”
Section: Effect Of the Orchard Management System On The Soil Chemicalmentioning
confidence: 99%
“…Due to the low availability of any type of manure in Greece and its subsequent high cost, the organic farmer incorporated weeds, pruning residues, nonmarketable or dropped fruits and fresh residues of vegetable crops as organic amendments (i.e., plant compost) to compensate for any nutrient losses and to strengthen nutrient cycling (Condron et al, 2000).…”
Section: Effect Of the Orchard Management System On The Soil Chemicalmentioning
confidence: 99%
“…Intact monolith lysimeters were taken from two areas with organic and conventional farming histories under the same environmental conditions and the same soil type and were consequently subjected to the same crop rotation, which included a leguminous green manure crop. The practice of year round grazing in New Zealand is contrasting to European production systems, where livestock are overwintered inside producing large quantities of manure (Condron et al, 2000). This highlights the importance of green manure crops and the dependence on biological processes to supply sufficient amounts of N to crops especially in organic farming systems in New Zealand.…”
Section: Introductionmentioning
confidence: 99%
“…Managing inputs for profitable high-yield production minimises losses of nutrients that could potentially adversely affect the quality of the surface waters that surround cropland and the groundwater below it (Bruulsema 2002). Several researchers have acknowledged that any positive environmental impacts of organic farming systems are as yet unproven and require more research (Condron & Cameron 2000;Hansen & Alroe 2001). While risk per unit area of farm may be lower when practised as a small percentage of agricultural land, the overall environmental risks of organic production may increase dramatically as organic farming expands (Bruulsema 2002).…”
Section: Environment and Organic Agriculturementioning
confidence: 99%