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Approximately ten studies have been conducted to compare non-crop vegetation between organic and conventional farming practices. Hedgerow, inner-crop and grassland observations were made within these studies and all but one showed a higher weed preference and diversity in or around organic farms.
This possibility is practically impossible to study and quantify;" therefore firm conclusions about the relative safety of organic foods have been hampered by the difficulty in proper study design and relatively small number of studies directly comparing organic food to conventional food. [62] [63] [61] [64] [65]
Other studies that have attempted to examine and compare conventional and organic systems of farming and have found that organic techniques reduce levels of biodiversity less than conventional systems do, and use less energy and produce less waste when calculated per unit area, although not when calculated per unit of output.
Organic food still counts for just 4% of food sales, but that percentage is growing as "big food" (as it's called by its detractors) establishes a presence in the natural food market.
And for packaged foods, it’s all about the ingredients: For a food item with multiple ingredients to be considered organic by the USDA, at least 95% of those ingredients have to be certified ...
Studies have examined chemical differences in the composition of organic milk compared with conventional milk. These studies generally suffer from confounding variables, and are difficult to generalize due to differences in the tests that were done, the season of testing and brand of milk tested, and because the vagaries of agriculture affect the chemical composition of milk.
Organic gardening is designed to work with the ecological systems and minimally disturb the Earth's natural balance. Because of this organic farmers have been interested in reduced-tillage methods. Conventional agriculture uses mechanical tillage, [5] which is ploughing or sowing, which is harmful to the environment. The impact of tilling in ...
The organic movement began in the early 1900s in response to the shift towards synthetic nitrogen fertilizers and pesticides in the early days of industrial agriculture.A relatively small group of farmers came together in various associations: Demeter International of Germany, which encouraged biodynamic farming and began the first certification program, the Australian Organic Farming and ...