Sentences with phrase «organic crops compared»

Not exact matches

The main experiments used to conduct this research are the Farming Systems Trial (FST)- the oldest continuous trial in the US that compares organic and conventional farming systems, the new Vegetable Systems Trial (VST)- comparing the impacts organic and conventional farming practices on nutrient density in vegetables and linkages to soil health, and Integrated Crop - Livestock Systems using annual and perennial crops along with cattle or hogs for soil, plant, and animal health.

found that organic crops have considerably higher concentrations of antioxidants and other beneficial compounds — about 50 percent more, compared to conventional crops.

Concentrations of total nitrogen were 10 %, nitrate 30 % and nitrite 87 % lower in organic compared to conventional crops.

The rise in GMO crops has resulted in increased use of pesticides and fertilizers compared to organic farming practices which don't allow the use of these types of substances.

Table 3 below shows figures on energy consumption (GJ) both per hectare and per unit of output (t) for different crops, comparing organic and conventional agriculture systems in Germany, Italy, Sweden and Switzerland.

Crop yields are generally lower on organic farms when compared with high input agricultural systems, especially during conversion years.

But the study went a step further, comparing crop yields on conventional farms to those on organic farms where cover crops were planted and crops were rotated to build soil health.

Therefore, researchers from the University of Wisconsin - Madison created a study to compare the effects of feeding strategies and the associated crop hectares on GHG emissions of Wisconsin certified organic dairy farms.

Now the longest and most comprehensive study to date comparing organic and conventional farming brings encouraging news for organic fans: Organic farms can be nearly as productive as regular farms for some crops, and they leave soils healthier.

While crops harvested from organically managed fields sometimes contain pesticide residues, the levels are usually 10-fold to 100-fold lower in organic food, compared to the corresponding, conventionally grown food.

The scientists reviewed 343 previously published, peer - reviewed studies comparing organic and conventionally grown crops in formulating their conclusion.

found that organic crops have considerably higher concentrations of antioxidants and other beneficial compounds — about 50 percent more, compared to conventional crops.

Tests on organic produce, both vegetable and animal - derived, have shown consistently higher levels of vitamins, trace minerals and other essential nutrients compared to conventionally grown crops.

They are comparing two crop rotations — pasture - winter wheat - soybean - pasture and pasture - winter rye / hairy vetch - corn - pasture — and grazing dairy steers on the cover crops as a method of integrating livestock and organic cropping systems.

The research compared soil fungi activity, crop yields, energy efficiency, costs, organic matter changes over time, nitrogen accumulation and nitrate leaching across organic and conventional agricultural systems.

The main experiments used to conduct this research are the Farming Systems Trial (FST)- the oldest continuous trial in the US that compares organic and conventional farming systems, the new Vegetable Systems Trial (VST)- comparing the impacts organic and conventional farming practices on nutrient density in vegetables and linkages to soil health, and Integrated Crop - Livestock Systems using annual and perennial crops along with cattle or hogs for soil, plant, and animal health.

Insect and disease damaged fruits and vegetables can quickly become unmarketable, and this might explain the relatively low organic yields of fruit and vegetable crops compared to their conventional counterparts.

Meta - analyses comparing yields of organic and conventionally grown crops have repeatedly demonstrated a yield gap between the two systems.

UC Davis has been helping Bonterra since the vineyards first went organic almost 20 years ago, and their studies suggest that, all things considered, the extra costs of going organic are actually a wash compared with purchasing chemicals and losing crops due to homogeneity.

This summer, a large meta - study published in the British Journal of Nutrition gathered together data from hundreds of studies comparing conventional and organic crops.

Crop model simulations with a generic soil with median characteristics of the eight sites compared to simulations with site - specific soils showed that agriculutural soils in China have similar and, in general, low - to - moderate water - holding capacities and organic matter contents.