Sentences with phrase «falling crop yields»

However, falling crop yields may also be impacted by temperature - dependent factors other than heat stress, says Prof Graeme Hammer, director of plant science at the University of Queensland, who was not involved in the research.

Not exact matches

But some seed fell on good soil and yielded a good crop (Matt.

Without better crop varieties or other agricultural technology improvements, irrigated wheat yields, for example, will fall at least 20 percent by 2050 as a result of global warming, and south Asia as well as parts of sub-Saharan Africa will face the worst effects.

Each of the fruits recalls a stage, a moment when nature yields a crop of tender grapes in the Fall, a bounty of green tomatoes for only two short weeks in Summer, or bright white asparagus in Spring.

Crop yields will fall within the next decade due to climate change unless immediate action is taken to speed up the introduction of new and improved varieties, experts have warned.

The SPM is designed to give the reader the impression that crop yields and crop production have fallen.

Projected reductions in yield in some countries could be as much as 50 % by 2020, and crop net revenues could fall by as much as 90 % by 2100, with small - scale farmers being the most affected.

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

Rising global temperatures could cause yields of sorghum — a cereal crop known for its resilience to heat stress and drought — to fall substantially, new research finds.

Maize and wheat yields will fall by up to 5 per cent in India; rice crops in China will drop by up to 12 per cent.

Agricultural innovations, particularly around genetically engineered crops, are needed to continue to increase crop productivity to avoid falling yields, even in high temperature environments and instances of flooding.

With arable land in retreat and water supplies falling, crop yields were already in decline in many areas, while malnutrition rates were rising — precisely the conditions witnessed in more extreme forms in the famine - affected areas today.

Vinny - I disagree that the crop yield statement was likely intended to make people think actual yields have fallen.

Crop yields would fall overall and droughts would become more common and severe... «A 4 °C world,» says the report, «can and must be avoided.»

The approach Müller considers «most practical» for adaptation studies is to simply make assumptions that fall somewhere within the range of model projections — for example, a 2 - degree temperature rise and 20 % less rain — when estimating consequences such as shifting crop yields.

But crop yields fall by nearly 40 percent worldwide.

Climate change is a huge risk to the long - term supply of safe, high quality ingredients for Nestlé's products as crop yields fall and production areas shift.

She prefers everbearing - type strawberries because they produce fruit intermittently during spring, summer and fall and not just the all - at - once bumper crop that June - bearing plants yield.

So by cultivating an allotment you are single - handedly helping to create essential habitats for bees and other wildlife without which our ecosystem would suffer, crop yields would fall and the world would be a poorer place.