Sentences with phrase «lower yields of some crops»

Lower yields of crops or damage to crops, water stress, food insecurity, malnutrition, poor health and increased risk of population migration are forecast to become more common globally.

5 percent to 15 percent lower yields of some crops, including U.S. and African corn and Indian wheat, per degree Celsius of warming.

Not exact matches

Continuing dry conditions in some cropping areas prevented or delayed the sowing of winter crops and are likely to result in lower yields than is typical of recoveries from drought.

--- «Growing more yields of plant foods thru non-organic means lowers the nutritional value of food crops.»

Growing more yields of plant foods thru non-organic means lowers the nutritional value of food crops.

We might whine when something is out of stock or more expensive due to low crop yield, but many around the world don't have that option.

The low use of pesticides and fertilizers, clean soil and pure water combine to produce high quality crop yields.

Crowder, lead author and assistant professor of entomology at Washington State University, says he and Reganold became interested in the topic after reading a study several years ago that indicated that organic farming produces a lower crop yield than conventional agriculture.

The yields are low, the difficulty of raising a crop is high, and the real estate is insanely expensive.

The Agriculture Department announced this season's first major crop yield forecasts, and they weren't pretty: a nationwide average of 123.4 bushels of corn per acre, the lowest level since 1995.

Declines in the ability of honey bees to pollinate will result in lower crop yields.»

In a further setback to reducing U.S. carbon emissions, the U.S Environmental Protection Agency has proposed lowering the U.S. government's «social cost» of carbon, or the estimated cost of sea - level rise, lower crop yields, and other climate - change related economic damages, from $ 42 per ton by 2020 to a low of $ 1 per ton.

Between 1985 and 2009, lower crop yields drove early ripening in four out of 10 sites in the study.

New University of Florida research shows growers can keep using both their current sprinkler spacing and low pressure or enhanced real - time irrigation control to save water — and they can produce the same strawberry crop yield during mild freezes.

In other words, the poorest households put the greatest efforts into craft production, probably to compensate for low crop yields or a lack of land.

In February, at the annual meeting of the American Association for the Advancement of Science in St. Louis, he captivated the crowd with early results from a project in Africa that uses low - cost fertilizers and improved farming techniques to increase crop yields several times over.

«Crop protection products such as fungicides help farmers grow quality crops free of disease and achieve better yields, which keeps prices low for consumers,» said Mike Leggett, senior director of environmental policy at CropLife America.

But these crops tend to have low yields and poor grain quality, says geneticist Pamela Ronald of the University of California, Davis, and breeding these plants without knowing what genes to extract is time consuming and inefficient.

As a consequence of exposure to drought, crops show poorer growth and lower yield.

Over 2 decades, the average crop yield was about 20 % lower in the organic plots, the team reports in the 31 May issue of Science.

This study shows that although miscanthus yield was slightly lower on marginal, low - quality land, a farmer would have an economic incentive to grow miscanthus on the lower quality land first rather than diverting their most productive cropland from growing corn,» said University of Illinois agricultural economist Madhu Khanna who co-authored the study along with a team of economists and environmental and crop scientists from the Energy Biosciences Institute at U of I.

However, in low - income regions where populations continue to grow and the food supply is unstable, the cost of fertilizer can hinder additional applications and cripple crop yields.

Organic farmers have lower crop yields and smaller crops, and have to manage pests with time - consuming, natural methods like crop rotation, interplanting, and the use of ladybugs, rather than simply spraying a plant with toxic pesticides.

The thing is, outside of the three full - size pickups at the top of the sales list, the current crop of body - on - frame trucks delivers a relatively low sales yield.

That said, today's crop of high yield corporate debt is lower rated than in the past.

The glaring gap between the yields of basic crops in poor and rich countries offers huge low - cost opportunities to improve people's lives and cut environmental impacts from farming.

to the US, not to mention the loss of lives due to the drop in temps which would cause lower crop yields.

Methods such as accurate water measurement and soil moisture monitoring, laser - leveling fields, using conservation tillage to retain soil moisture, switching to low energy precision application sprinklers, lining canals, and employing subsurface drip irrigation where possible could save upwards of 40 percent of agriculture's water use while improving crop yields and saving energy.

The Mail on Sunday says the Summary warns of negative impacts on crop yields, with warming responsible for lower yields of wheat, maize, soya and rice.

Sure enough, the list was a dire roll call, including lower snowfall and streamflow, reduced yield of crops, and increased wildfires.

At lower latitudes, especially the seasonally dry tropics, crop yields are likely to fall - even for small temperature increases, increasing the risk of hunger.

The report finds the northern highlands of Ethiopia around Addis Ababa, its largest city, will see increasing migration outwards up to 2050, as deteriorating water availability and lower crop yields drives people from rainfed cropland areas.

Other major climate impacts at 2 degrees Celsisus include severe threats to coral reefs across the globe, a greater risk of long lasting heat waves and extreme rainfall events, and the risk of lower yields for key crops like wheat in the globe's tropical regions.

Crop ecologists have a rule of thumb that each 1 - degree - Celsius rise in temperature above the norm during the growing season lowers wheat, rice, and corn yields by 10 percent.

As extreme heat spreads across the middle of the country by the end of the century, some states in the Southeast, lower Great Plains, and Midwest risk up to a 50 % to 70 % loss in average annual crop yields (corn, soy, cotton, and wheat), absent agricultural adaptation.

At lower levels of temperature rise, adaptation has high potential to off - set projected declines in yields for many crops, but this effectiveness is expected to be much lower at higher temperatures.

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.

A majority of organically - produced crops in our analysis produced significantly lower yield compared to conventional systems.

101, no. 27 (6 July 2004), pp. 9,971 — 75; National Academy of Sciences, «Warmer Evening Temperatures Lower Rice Yields,» press release (Washington, DC: 29 June 2004); U.N. Environment Programme (UNEP), «Climate Change: Billions Across the Tropics Face Hunger and Starvation as Big Drop in Crop Yields Forecast,» press release (Nairobi: 8 November 2001); Wolfram Schlenker and Michael Roberts, «Nonlinear Temperature Effects Indicate Severe Damages to U.S. Crop Yields Under Climate Change,» Proceedings of the National Academy of Sciences, vol.

«The chain of effects is clearly visible; poor climate conditions lead to low crop yields, rising cereal prices and finally emigration.

+ but of course, we do have a lot of low - hanging fruit on efficiency, the usual improvements in crop yield, and technology improvements in renewable energy.

The idea is a reasonable one — farmers that have a record of consistently good yields and less frequent crop failures should pay lower rates for insurance than those with consistently poor yields and high losses.

Many crops show positive responses to elevated carbon dioxide and low levels of warming, but higher levels of warming often negatively affect growth and yields.

say it has been predicted that «the average temperature in the semiarid northwest portion of China in 2050 will be 2.2 °C higher than it was in 2002,» and they report that based on the observed results of their study, this increase in temperature «will lead to a significant change in the growth stages and water use of winter wheat,» such that «crop yields at both high and low altitudes will likely increase,» by 2.6 % at low altitudes and 6.0 % at high altitudes... Even without the benefits of the aerial fertilization effect and the anti-transpiration effect of the ongoing rise in the air's CO2 content, the increase in temperature that is predicted by climate models for the year 2050, if it ever comes to pass, will likely lead to increases in winter wheat production in the northwestern part of China, not the decreases that climate alarmists routinely predict.»

Texas produces 55 % of the U.S. crop and two - thirds of America's yield is exported to mills in China, Mexico, Vietnam and Thailand, where textile manufacturers drove prices down by reducing their stockpiles hoping to see a glut on the market and hence lower cotton prices, Miller says.

«To be honest, as far as temperatures, for as far out as we can see there's no relief,» said Brandon Smith, who is expecting temperatures all across Utah to surpass the state's all - time highs this summer.Besides for raising fears about lower crop yields and an unstable power supply, the record temperatures are making life harder for firefighters who are anticipating more of the types of wildfires most recently seen ravaging Southern California.

In the open atmosphere higher CO2 levels boost some crop yields and lower others through increased heat, drought, flooding, and spread of species harmful to the crops.

Beyond these extreme areas of contamination, 70 percent of China's total farmland has experienced lower crop yields due to excessive fertilizer application and soil erosion, according to Meng Jun, the deputy director of the Liaoning Biochar Engineering and Technology and Research Center at the University of Shenyang.