Sentences with phrase «post-planting nitrogen application»

For vegetable products, energy use often is the dominant contribution of carbon dioxide emissions, but nitrous oxide emissions related to nitrogen application and fabrication also may be significant.

Organic agriculture has lower N2O emissions from nitrogen application, due to lower overall ni - trogen input per ha than in conventional agriculture (Mäder et al., 2002, Olesen et al. 2006).

This product combines historical data on crop growth and fieldwork conditions with economic considerations to determine best / worst / average scenarios of successfully completing nitrogen applications within a user - specified time period.

Not exact matches

Topics discussed include elemental properties of nitrogen, gas laws and the application of science to food.

FAST achieves nutrient removal for applications containing high level of nitrogen, a water pollutant that has increased significantly in industrial, commercial and municipal applications and which is an environmental concern particularly to resources, engineering, construction, hospitality, marine, agribusiness and public facility and water and waste water infrastructure organizations.

Aged or composted steer manure provides low to moderate applications of nitrogen, potassium, and phosphorous, and can be applied at the rate of 500 to 1,000 pounds per 1,000 square feet of garden.

The limited availability and input of nitrogen, the application of mechanical and thermal weed control and more diverse crop rotations and a higher crop diversity lead to more favourable conditions for many wild plant species.

In an effort to reduce the amount of nitrogen getting into bays and other water bodies and to protect groundwater, Suffolk County Legislator Bill Lindsay (D - Holbrook) has introduced a measure aimed at reducing the application of fertilizer.

Nitrogen (N) is an essential nutrient for plant growth, and nitrogen fertilization — including the application of manures — is a major management strategy in agriculture across the globe.

The laser works best at about -265 degrees Celsius, and commercial applications usually require -195 degrees Celsius — the boiling temperature of cheaply available liquid nitrogen — if not room temperature.

Applications considered in the process included bio-mining; nitrogen fixation by engineered crops; gene drive propagation in populations of invasive species; and engineered seeds and plants destined for distribution to the public.

Technology visionaries are thinking about using nitrogen - vacancy centers to probe for cracks in metals, such as bridge structures or jet engine blades, for homeland security applications, as sensitive rotation sensors, and perhaps even as building blocks for quantum computers.

Their findings have been recently published in EPJ D and are particularly relevant for the development of novel applications in medicine, health care and materials processing because they involve air at normal atmospheric pressure, which would make it cheaper than applications in inert gases or nitrogen.

The ensuing ability to achieve a controlled trade - off between emissive and photocatalytic behavior of CDs depending on nitrogen atom positioning inside the aromatic domain is expected to bring substantial improvements on their efficiency for on - demand light emission or energy conversion applications.

The large - scale application of nitrogenous fertilizers generated via nitrogen fixing is already detectable in sediments remote from civilization, the scientists noted.

On the other hand, dynamic nuclear polarization of molecules via nitrogen vacancy centers has important applications in nuclear magnetic resonance spectroscopy since it would greatly increase the standard sensitivity of current scanners.

One manure application from 500 broilers per acre will saturate the soil's nitrogen capacity.

In critical applications tires are inflated using pure nitrogen (link).

Reducing fertilizer application in Africa might seem beneficial globally, yet the result in this region would be even poorer crop yields without any notable reduction in nitrogen pollution; Africa's fertilizer use is already suboptimal for crop yields.

The paper didn't fail to mention what we have reported on before, that corn farming for ethanol using management practices such as commercial fertilizer application, mechanical tillage, and intensive drainage is the most important driver of this increase in nitrogen pollution.

They believed that applications in western Canada were less likely, given the relatively good efficiency of nitrogen fertilizer use in this region (by such techniques as banding).

An agronomist with the company reported to us that their main interest in such fertilizers was for applications in developing and / or tropical countries, where present use of nitrogen fertilizers is, in many cases, relatively inefficient (e.g., rice production).

One possible application could be in zero tillage systems, where coated nitrogen fertilizer might allow considerably higher rates of fertilizer to be applied close to the seed.

About 91 % of farmers are practicing the technology at different levels depending on the component adopted out of the six, namely minimum land tillage; laying out fixed planting basins; no burning of crop residues; planting and input application in basins; and rotation with nitrogen - fixing crops for soil fertility restitution, outlined by the Conservation Farming Unit (CFU).

Farms with heavy application of nitrogen - rich fertilizers end up emitting NOx through microbial processes.

Soil analysis in 1990 suggested that nitrogen fertilizer application since 1967 had increased the organic carbon content in the surface soil layer by about 3 t / ha in a continuous wheat cropping system.

The application of nitrogen fertilizers accounts for the majority of N2O emissions in the United States.