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Some propose that fuel only be made from non-edible vegetable oils like jatropha oil. Others argue that the problem is more fundamental. The law of supply and demand predicts that if fewer farmers are producing food the price of food will rise. It may take some time, as farmers can take some time to change which things they are growing, but ...
It requires from 0.97 to 1.34 GJ fossil energy to produce 1 tonne of switchgrass, compared with 1.99 to 2.66 GJ to produce 1 tonne of corn. [14] Given that switchgrass contains approximately 18.8 GJ/ODT of biomass, the energy output-to-input ratio for the crop can be up to 20:1.
The burning of fossil fuels is the main source of the excess greenhouse gases causing climate change, but there are other sources to consider as well.A special report from the Intergovernmental Panel on Climate Change (IPCC) estimated that, in the last 150 years, fossil fuels and cement production have been responsible for only about two-thirds of climate change while the other third has been ...
As fruits and vegetables are respiring products, there is a need to transmit gases through the film. Films designed with these properties are called permeable films. Other films, called barrier films, are designed to prevent the exchange of gases and are mainly used with non-respiring products like meat and fish.
Broccoli is a plant-based staple in the American diet. A recent survey of over 5,000 people listed it as the No. 2 favorite veggie among American adults. It’s versatile, inexpensive and a great ...
Olericulture is the science of vegetable growing, dealing with the culture of non-woody plants for food. Olericulture is the production of plants for use of the edible parts. Vegetable crops can be classified into nine major categories: Potherbs and greens – spinach and collards; Salad crops – lettuce, celery
Several economic models exist for vegetable farms: A relatively small operation is a market garden while a larger farm may grow large quantities of few vegetables and sell them in bulk to major markets or middlemen, which requires large growing operations. A farm may produce for local customers, which requires a larger distribution effort.
This is a list of plants that have a culinary role as vegetables. "Vegetable" can be used in several senses, including culinary, botanical and legal. This list includes botanical fruits such as pumpkins, and does not include herbs, spices, cereals and most culinary fruits and culinary nuts. Edible fungi are not included in this list.