Sentences with phrase «nitrogen fertilizers does»

When serving «nitrate» vegetables, the levels of nitrates in Organics are significantly reduced though not 100 percent eradicated (Nitrates are naturally occurring and farming without using nitrogen fertilizers does not eliminate nitrate concentration).
When serving «nitrate» vegetables, the levels of nitrates in Organics are reduced though not 100 percent eradicated (Nitrates are naturally occurring and farming without using nitrogen fertilizers does not eliminate nitrate concentration).

Not exact matches

At the time scientists didn't know if phosphates from soaps and fertilizers or nitrogen or carbon caused the lake killing blooms.
While organic gardeners concede the point that most compost is low in soluble nitrogen, potassium, and phosphorous, Jack Ruttle observes: «I have grown many fine vegetable gardens with no other fertilizer than an inch or two of pure compost applied once a year, and I have known plenty of other gardeners who do the same.»
Commercial baby food companies may buy veggies that are grown in a part of the country where the nitrate contamination of soil is lower, where the sun shines more or where Farmer's do not use high levels of nitrogen containing fertilizers.
Bowman intentionally made mistakes on one test plot — «areas where we didn't apply enough nitrogen fertilizer, where we simulated mistakes in the applicator, where we shut the boom off for a short period of time or plugged it up and ran for a while,» Bowman said.
«If all plants could do what legumes can do, then we wouldn't need nitrogen fertilizer and we would solve these problems,» said Frugoli, whose lab at Clemson works to understand the signaling between the plant and bacteria in the nitrogen fixation relationship.
On top of that, many hybrids are selectively bred to survive low levels of magnesium and most conventional fertilizers use nitrogen, potassium, and phosphorus, and do nothing to replenish magnesium levels.
One should also pay attention to other greenhouse gases, particularly methane (from rice paddies, ruminant animal digestive processes, industrial processes, and distributed natural sources, some of which could be triggered to large releases by warming) and nitrous oxide (from the nitrogen cycle linking the atmosphere, plants, and bacteria, now exacerbated by extremely heavy use of nitrogenous fertilizers in agriculture; note, as does Vaclav Smil from the University of Manitoba, that fertilizer use is required to feed half the world's current population.
The paper didn't fail to mention what we have reported on before, that corn farming for ethanol using management practices such as commercial fertilizer application, mechanical tillage, and intensive drainage is the most important driver of this increase in nitrogen pollution.
We did not find to date any published studies which compared the effects of type of tillage system and nitrogen fertilizer placement method on nitric oxide emissions.
How do you side dress corn / top dress wheat with nitrogen with out using synthetic fertilizers?
«Farmers already manage fertilizer to avoid large nitrogen losses, but they are often reluctant to further reduce fertilizer use because they fear doing so will decrease valuable crop production,» said Phil Robertson, principal investigator and Michigan State University professor of plant, soil and microbial sciences.
The biology of ground just reverts to penalty per nitrogen, yet the technology of modern farming removes most of the Nitrogen emissions as does the reformulation of the fertilizer.
As a long time organic gardener myself as one of my hobbies, I do apply some 10 kg organic fertilizer per year per 100 m2 in my garden, of which some 5 % is nitrogen (as nitrate).
Most fertilizers are nitrogen based rather than carbon based, and do not enter into the equation at all.
Unfortunately, the EPA estimate of 18 % 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 emissions.
Why does nitrogen fertilizer need so much natural gas?
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.
«This year I am using favas as «green fertilizer» — they increase nitrogen content naturally by letting them grow — doing their brilliant N - fixing job all fall and winter, then I hoe them under before planting my beds in February.»
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