Sentence examples for some crop yields from inspiring English sources

In parts of the developing world some crop yields in 2050 could be only half of their 2000 levels.

Our results imply that at the later stage of the reform, the cost of reducing water use by providing incentives to managers includes negative impacts on some crop yields.

Some crop yields have also been forecast higher than originally expected.

While it has for long been known that the tropical regions would be the most vulnerable to the impacts of climate change on their crop yields (with very small degrees of climate change causing declining crop yields), previous assessments assumed that the temperate northern hemisphere, at least by 2100, was not vulnerable and might even gain by some crop yield increase.

Long-term simulations with DRAINMOD-NII indicated that drainage design and/or management practices proposed as alternatives to conventional design may offer opportunities to reduce nitrate (NO3 -nitrogen losses without sigNO3 -nitrogencreasing (and in some cases, increasing) crop yielossesr a without significantlyam soil at Waseca, Minnesota.

The results of observation plots within these areas showed that some combinations increased crop yields for the same season between 33.2 and 84.7% and reached a land equivalent ratio (LER) of between 1.31 and 1.84.

There is worry in some circles that crop yields in the more intensively cultivated areas (in both developed and developing countries) may be approaching their physical limitations.

Under his guidance the new policy should soon yield results, which is timely since recent research (carried out, it must be said, by scientist scientists at MIT) showed that "climate change could deplete some US water basins and dramatically reduce crop yields in some areas by 2050".

Many now farm this land, and some have published their crop yields for many years.

Ultraviolet radiation, the short, invisible rays from the sun, can harm some life forms, depress crop yields and raise cancer rates, causing skin cancer and cataracts in humans.

Based on this relationship, several papers have evaluated NPP using harvested yield data, and some articles have estimated crop yields or potential biomass yield using NPP estimates [16 22].