Sentences with phrase «crop water demand»

2: Our Changing Climate, Key Message 6).7 In the future, farmers may also face too little water in summer to meet increased crop water demand as summers become hotter and growing seasons lengthen.68, 61 Increased frequency of summer heat stress is also projected, which can negatively affect crop yields and milk production.64

«The permeability of biofabrics may appeal to growers without drip irrigation who rely on rainfall or sprinkler irrigation to meet crop water demands,» they added.

Elevated CO2 also tends to decrease crops water demand.

Farmers are most concerned with agricultural drought when available water supplies are not able to meet crop water demands.

High - risk outcomes occur more often under A2 than under the B2 emissions scenario due to higher crop water demands in the warmer A2 world.

Not exact matches

In particular, «agricultural commodities are supported by the dynamics of water shortages in Asia and the Western United States, the declining payback from the green revolution in terms of improving crop yields and the increasing demand from Asia for a diet based more on grains and meat as the population becomes wealthier,» the group responded by e-mail.

COHRAL (TM) technology — which is applicable to both livestock and cropping operations — uses concentrated anaerobic bacteria to digest 70 per cent of the organic matter (COD, or Chemical Oxygen demand) in Oakey Abattoir's waste water to produce effluent of far high quality than typical open lagoons.

But changes in land use — draining the water to plant acres of crops that demand drier soil, a common practice in tropical regions, or building a road through an area — can dry out the peat.

Growing corn continuously under conventional tillage and with high inputs of water and fertilizer may seem outmoded, but this management system is «not uncommon,» as demand for corn grain and crop residues grow, Blanco says.

In predicting how climate will affect irrigated crop yields in the future, the researchers also consider factors such as population and economic growth, as well as competing demands for water from various socioeconomic sectors, which are themselves projected to change as the climate warms.

Despite its fruitful adaptations, the crop has gotten its share of flack for consuming precious water and nutrient resources, especially as its acreage has increased to meet biofuel and animal feed demands.

Drip irrigation can reduce the water demand of crops.

In those cases, other causes of water shortages came into play due to local factors, such as increased water demand, population growth or methods used for irrigating the crops.

These climate changes have measurable effects, like reductions in ground and surface water resources due to changing timing of precipitation and snowmelt, and measurable impacts like declining forest health and more wildfires, to altered crop seasons and greater irrigation demand.

However, more 90 °F + (32 °C +) days will also 1) increase evapotranspiration and water demand for most crops; 2) limit grain development from pollination to seed (i.e., grain fill); and 3) elevate heat stress on livestock.

Rising demand for agricultural products that require large amounts of water, particularly beef cattle and biofuel crops, is adding to shortages.

While organic agriculture practices result in higher soil organic matter (SOM) contents and, in turn, higher nutrient - and water - supplying potential to crops, transition to organic farming typically involves a lag time of several years in which yields can suffer and input demands increase as rebuilding soil microbial communities compete with crops for nitrogen and other available nutrients (Simmons and Coleman, 2008).

Agricultural Impacts Crop yield may decrease if climate changes As droughts increase, the demand for irrigation water increases putting more stress on already depleted aquifers.

It is a simple case of natural cycles not being able to provide the current water requirements given the population growth, and the high demands for crop irrigation to satisfy the countries produce.

SciDev.net: Algal biofuels, like crops, demand land, water, fertilisers, pesticides and inputs that are costly for India, says Hoysall Chanakya Of late, there is heady euphoria over «green» algal biofuels that are dangled as a panacea for developing countries such as India.

These actions mostly address sectoral interests, such as agricultural practices (e.g., altering sowing times, crop cultivars and species, and irrigation and fertilizer control), public health measures for heat - related risks (e.g., early warning systems and air pollution control), disaster risk reduction (e.g., early warning systems), and water resources (e.g., supply and demand management).

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Altered agricultural conditions, including extreme heat, expanded water demands, and increased severe weather events, will affect food availability and cost, particularly in vulnerable regions in which child undernutrition is already a major threat.43 The decreased protein, iron, and zinc content of certain major crops has been demonstrated for plants grown under increased CO2 conditions, 44,45 carrying significant implications for child nutrition.

Anthropogenic climate change can also directly affect demand for water, when demand for crops increases in certain seasons, for instance for the implications of climate change on uncertainty in agriculture.