Sentences with phrase «crop yields»
"Crop yields" refers to the amount or quantity of crops that are produced or harvested from a particular area or farm. It measures how much food or other agricultural products are generated from the plants or crops that have been grown. Full definition
Climate change will very likely cause large reductions in crop yields in numerous ways.
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Training / loan schemes have resulted in increased crop yields from existing farmland — for example, ground nut yields have increased by 80 % within one year.
While these impacts are small relative to the technological yield gains over the same period, the results demonstrate already occurring negative impacts of climate trends on crop yields at the global scale.
We understand that the importance for improved crop yield.
The researchers conclude by arguing for improvement of crop yields as part of any policy meant to reduce greenhouse gases.
Many of these are poor countries, where irrigation can boost crop yields by up to 400 %.
Global warming may lead to a reduction in crop yields by the year 2030.
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.
The international response to the problem has failed to grasp that serious consequences such as reduced crop yields and water shortages are now inevitable, he said.
And climate - related temperature rise has already affected crop yields in many regions of the world, a trend that is projected to continue.
· As a result there is an expected change in food prices with high crop yield causing a decline in the value of those crops.
These environmentally friendly alternative income sources help local families who often run short of money after the annual coffee harvest or have seen decreasing crop yields due to changing weather patterns.
If you want to worry about the climate, worry about colder weather and lower crop yields as the sun remains unusually quiet.
Changes in crop yields from year to year are clearly a problem for food security.
Our scientific research is focused on real market needs, increasing crop yields under changing climate conditions and rapid time to market.
These and other techniques help maintain and improve soil fertility and enhance crop yields.
Modern agricultural methods steadily and dramatically improved crop yields per acre between 1930 and today.
Our agricultural practices may be trading quality for quantity, as several studies found a negative relationship between crop yield and nutrient levels.
Genetic modification and selective breeding to increase crop yields over the years has dramatically changed the genetics and chemical composition of wheat.
The image below shows ancient corn versus modern corn for an example of how successful we have been at increasing crop yields through history.
«If crop yields go down 10, 20, 30 percent, that would have had an enormous impact across the world in terms of food security,» he said.
But then there are other components with competing potential outcomes — for instance, will a change of three degrees make crop yields go up or down?
Yes we've made dramatic improvements in feeding the world, with current crop yields much higher than in previous generations.
It damages ecosystems and biodiversity and decreases agricultural crop yields.
The firm has developed a technique to genetically modify a range of insects with the aim of protecting human health and boosting food crop yields.
But crop yields fall by nearly 40 percent worldwide.
Understanding more about what drives these effects could improve crop yields further down the track.
They need to be promoted more extensively not only to enhance and sustain crop yields, but also to reduce the risks from floods, drought and water pollution.
He and others noted that declining crop yields resulting from the heat were likely a major cause of moving.
The emergence of resistant pests and diseases coupled with unpredictable weather patterns has devastated crop yields and left many communities facing imminent drought.
The results may help explain the lower then expected crop yields under elevated carbon dioxide.
I suggest global crop yield research is useful to some academics, because it gives them a job.
The draft says that crop yields around the world will decline by up to 2 % per decade for the rest of the century.
But some plants can capture more photons because of energy - efficient genes, which has led scientists to seek ways of inserting those genes into food crops to increase crop yields exponentially.
A study of some North African countries suggests that some rain - fed crop yields could decline as much as 50 percent in extreme years by 2020.
While rainy days are great for tree growth, livestock prefers the warmth of sunshine, and the perfect mix of both weather conditions can double or even triple crop yields.
The simulations were shown to reproduce the observed strong reduction in past crop yields induced by high temperatures, thereby confirming that they capture one main mechanism for future projections.
Even a relatively minor increase in temperature will dramatically shrink crop yields.
It is drought tolerant, but not cold tolerant, though to get consistently high crop yields irrigation may be necessary.
If you have coverage and bumper crop yields or higher prices become apparent, coverage can be increased during the growing season.
The information packet from the listing broker contained significant information about the improvements but very limited information concerning the crops, soil types, crop varieties, historic crop yields, and lease history.
An applicant should have an in - depth knowledge of farm crop, ways of improving quality and quantity of crop yield with fewer weeds, control pests and less labor.