Sentences with phrase «fertilizer application»

The use of these technologies with soil and plant testing to better match fertilizer application with crop nutrient requirements can be modeled at the representative farm level.

This included working with farmers on precision fertilizer applications, so that the product is only put down where it is needed.

Short - sighted chemical fertilizer applications in conventional farming are depleting soils at an alarming rate.

The research, published in the journal Proceedings of the National Academy of Sciences, brings together dozens of studies from across the globe that analyzed how nitrous oxide emissions increased based on different rates of fertilizer application.

China's nitrous oxide emissions from fertilizer application are the highest of any country, accounting for nearly a third of the world's total.

For instance, Buckley notes, on one computer simulation for 4th graders of plants growing in a greenhouse, kids could move the plants around and identify, based on growth patterns, which were sun - versus shade - loving plants, and which fertilizer application rate proved most effective.

«Definitely the effects of inorganic fertilizer application on soil properties will depend on tillage and cropping systems,» Blanco says.

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.

I think the solutions for the N problem over the next few decades will come from smarter and better fertilizers — timed - released fertilizers, timing fertilizer applications, crop rotation.

The United States, for example, has not experienced a dramatic increase in fertilizer use or major changes in fertilizer application practices.

Hot colors represent increases due to a combination of increased fertilizer application, reduced scavenging by acid aerosols and climate warming.

They include subsurface fertilizer application, cover crops, fertilizing according to soil tests and installing buffer strips to intercept runoff.

Changes in the Metagenome of Prokaryotic Community as an Indicator of Fertility of Arable Soddy - Podzolic Soils upon Fertilizer Application — A. N. Naliukhin — Eurasian Soil Science

One - time phosphate fertilizer application to grassland columns modifies the soil microbiota and limits its role in ecosystem services — Israel Ikoyi, Science of The Total Environment

Dr. Diane Boellstorff, AgriLife Extension water resource specialist, College Station, said proper fertilizer application and efficient water irrigation can protect and improve water quality in area creeks, and collecting rainwater for lawn and landscape needs reduces stormwater runoff.

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.

More careful fertilizer application would solve a lot of this, said Bauer.

Optimizing carbon - negative fertilizer application.

Emissions can be reduced by reducing nitrogen - based fertilizer applications and applying these fertilizers more efficiently, 3 as well as modifying a farm's manure management practices.

The overestimation of bioenergy LCAs becomes increasingly magnified when the omission of CO2 is combined with the underestimation of nitrogen emissions from fertilizer application.

He has recommended that California lawmakers consider imposing economic penalties and incentives for farmers, such as excise fees on nitrogen fertilizer applications, with higher rates applied to areas declared to be at risk for nitrate contamination.

An important misrepresentation of our paper is the assertion that we are somehow suggesting that fertilizer application in Africa be reduced.

However, in most parts of the world, conventional dairying is associated with high levels of grain feeding, the use of cow breeds which produce high milk volumes, and the application of large amounts of fertilizer («high input» farming), while organic dairying is tied to pasture and forage feeding, lower amounts of fertilizer application, and the use of mixed or minority breeds («low input»).

«We use environmentally friendly pesticides and fertilizer applications.»

Influences an avocado tree's response to fertilizer applications, with pruned trees inclined to grow more than unpruned trees.

Explains Poe, the farmer was already employing what was known as «best management practices,» such as minimizing excess nitrate - fertilizer application to fields.

And that doesn't take into account the supply chain of natural gas production, energy - related emissions in the production process, fertilizer application (and misapplication) or industrial use of urea and other ammonia products.

For the first time, scientists will have an instant read on how springs respond to all sorts of factors, from fertilizer application to drought or heavy rainfall, says Brian Katz, a geochemist with the Florida Department of Environmental Protection.

The scientists predict that about 15 per cent of the initially applied fertilizer N will be exported from the soils towards the groundwater over a time span of almost one century after the 1982 fertilizer application.

Bayer added that, along with reduced water use and growth control, more efficient soil moisture sensor - controlled irrigation could greatly reduce leaching, allowing for reductions in fertilizer applications.

Authors in a recent study from the International Maize and Wheat Improvement Center (CIMMYT) have identified higher emissions from continuously flooded rice, compared to rice which has more frequent periods of water drainage, and a wide range of emissions for other crops due to variation in fertilizer application.

Of course ground - based spaying, fertilizer application, etc. can be used, at little or no extra cost, where planes do not have access due to very close proximity to the turbines.

Soil mapping and variable rate fertilizer application are technologies that could help mitigate N2O emissions by matching fertilizer application with crop nutrient use.