Sentences with phrase «manufacture synthetic fertilizers»

Minimizes energy consumption by 30 - 70 % per unit of land by eliminating the energy required to manufacture synthetic fertilizers, and by using internal farm inputs, thus reducing fuel used for transportation

Not exact matches

Uses synthetic fertilizers and pesticides that require significant amounts of energy to manufacture.

Particularly daunting is the production or acquisition of large volumes of organic compost for fertilizer; synthetic fertilizers are not allowed due to high fossil fuel use in their manufacture and their limited use in promoting healthy soil.

After WWII the massive industrial complex that had been created to manufacture war materials turned its talents to synthetic fertilizers and equally synthetic foods.

Abstract: An analysis of the climate impact of various forms of beef production is carried out, with a particular eye to the comparison between systems relying primarily on grasses grown in pasture («grass - fed» or «pastured» beef) and systems involving substantial use of manufactured feed requiring significant external inputs in the form of synthetic fertilizer and mechanized agriculture («feedlot» beef).

These emissions are primarily released from the 2.2 billion gallons of fossil fuels used for gas - powered mowing and the manufacturing / application of synthetic fertilizers in the US each year.»»

However, the number is probably closer to 25 - 30 % as they failed to include the «manufacture and use of pesticides and fertilizers, fuel and oil for tractors, equipment, trucking and shipping, electricity for lighting, cooling, and heating, and emissions of carbon dioxide, methane, nitrous oxide and other green house gases» and «still doesn't include a large portion of the fuel, the synthetic nitrogen fertilizer, some of the nitrous oxide, all of the CFCs and bromines, and most of the transport» and methane emissions.