plant nutrient level measurement News

  • Chesapeake Bay Nutrient Trading

    Proposed federal legislation to improve the health of the Chesapeake Bay could help a typical Maryland crop farm earn an additional USD10,000 in net profit each year, according to a new analysis by the World Resources Institute (WRI). The analysis, How Baywide Nutrient Trading Could Benefit Maryland Farms, forecasts the potential profits to farmers who participate in an interstate nutrient ...

  • Climate change to disrupt soil nutrients in drylands

    The increased aridity expected this century as a result of climate change may disrupt the balance of key soil nutrients with a knock-on effect on soil fertility threatening livelihoods of more than two billion people, a study finds. The drop in nitrogen and carbon concentrations that occurs as soils become dryer could have ...


    By SciDev.Net

  • 4R Research Fund Issues Proposal Requests for Research on Nutrients in the Environment

    This week, the 4R Nutrient Stewardship Research Fund announced the release of requests for proposals (RFP) to solicit literature reviews and syntheses on nutrient stewardship on a national, regional, or cropping system basis, and to solicit field research and demonstration projects. The 4R Research Fund was established by the fertilizer industry to help establish ...

  • New Fact Sheet Helps Chesapeake Bay States Design Nutrient Trading Programs

    2011 will be an important year for the Chesapeake Bay, not only because scientists are predicting an unusually bad “dead zone” this summer. Last December, the Environmental Protection Agency (EPA) issued ...

  • A model to measure soil health in the era of bioenergy

    One of the biggest threats to today’s farmlands is the loss of soil organic carbon (SOC) and soil organic matter (SOM) from poor land-management practices. The presence of these materials is essential as they do everything from providing plants with proper nutrients to filtering harmful chemical compounds to the prevention of soil erosion. Sustainable management practices for crop residues are ...

  • Dioxin risk in soil and plant tissues after long-term biosolids application

    Land application of biosolids (treated municipal sewage sludge) is a common practice because biosolids are a rich source of plant nutrients and organic matter. However, the presence of detectable levels of dioxins in biosolids led to concerns that farmland application may result in accumulation of dioxins in soil and their subsequent translocation through the human food chain because several ...

  • New Tool Offers Growers Easy Option to Measure Soil Organic Matter Content

    Researchers with Ohio State University's College of Food, Agricultural, and Environmental Sciences have developed a new tool that allows farmers to easily predict soil organic matter content and can help them make decisions about whether or not to sell crop residue. The tool can benefit growers by providing information for more timely planting and harvesting, reducing operating costs, increasing ...


    By Ohio State University

  • IKEA, along with american forests, continues the success of its `plant a tree program`; together they have planted 1.9 million trees across America

    Why? Because planting trees will help to clean the air and cool the globe. Since 1998, IKEA US, in partnership with American Forests, has been dedicated to improving the lives of many people through its national in-store 'Plant A Tree' program, a campaign that asks customers to donate $1 to plant one tree. These contributions, together with money donated by IKEA, have resulted in the raising of ...

  • IKEA celebrates the planting of 1.5 million trees together with American forests across America

    Plant a Tree. Clean the Air. Cool the Globe. This thought has been the driver that has inspired IKEA US shoppers. Since June 2006, IKEA US in partnership with American Forests, has had a national in-store 'Plant A Tree' program which asks customers to donate $1 to plant one tree. These contributions, together with money donated by IKEA, have resulted in raising $1.5 million dollars to plant 1.5 ...

  • Cleaning up the baltic sea with mussel power

    Excess nutrients in seawater can cause eutrophication, a major environmental concern. Shellfish species such as mussels can 'soak up' some of these nutrients. A recent Swedish study examines the cost-effectiveness of mussel farming in the Baltic Sea as a method of reducing nutrient concentration and compares its potential with other methods of combating eutrophication. Eutrophication, caused by ...

  • CleanGrow introduces first-in-kind multi-ion CNT-based sensor for horticultural and other applications

    This week at Horti Fair in The Netherlands, the horticulture industry's premier tradeshow, CleanGrow will introduce its breakthrough multi-ion measurement solution capable of analyzing up to six ions simultaneously. The product combines a carbon nanotube-based sensor with a multi-ion meter for on-site measurements and real-time feedback. Currently optimized for horticultural applications, the ...


    By CleanGrow

  • High-nature-value grasslands can be maintained by alternating between mowing and grazing

    Scientists recommend policies that alternate between mowing and grazing to manage Europe’s high-nature-value grasslands. This comes after a new seven-year study found that a high plant-species diversity helps grasslands to maintain productivity and to resist depletion of phosphorus caused by livestock grazing and depletion of potassium caused by mowing. Grasslands with high levels of ...

  • Maryland, Michigan Farmers Keep Soil, Environment Healthy

    As farming practices increasingly attract interest from the general public, two farmers are ensuring they meet public approval. They use proven management practices that focus on improving soil quality and maintaining a quality natural environment. In fact, getting the right nutrients to where they belong and in the right amounts when they’re needed enables them to improve yields while ...

  • Vegetables can absorb heavy metals from contaminated irrigation water

    Certain vegetables take up heavy metals from contaminated water used for irrigation, a new study finds. The researchers grew vegetables in greenhouses similar to field conditions in Greece and found that concentrations of nickel and chromium increased in potatoes and onions, but not in carrots, when irrigated with water containing contaminant levels similar to those found in industrial ...

  • Fighting selenium deficiency

    Approximately 1 billion people worldwide suffer from a deficiency of selenium, an essential nutrient for liver, heart, thyroid, and immune function. Since selenium deficiency is prevalent in Southeast Asia, researchers are studying the best biofortification for lowland rice production. In a study funded by the Commonwealth Government of Australia, the soil retention of three types of selenium was ...

  • Nitrogen in reclaimed water can benefit turfgrass

    As competition for fresh water increases and fertilizer prices rise, the horticulture industry is looking to reclaimed wastewater as a valuable resource for supplying irrigation and necessary nutrients for urban landscapes. In the U.S., Florida is a leading user of recycled water; more than 50% of the state's reclaimed water is being put to use for irrigation of recreational areas such as golf ...

  • Increasing potato production

    Despite sophisticated nutrient management of potato crops, quality and yield still see wide variability. Although nutrients are already well understood, the influence of other environmental factors remains understudied. A research team from Michigan State University conducted a study to determine how the chemical and physical properties of soil, along with the light waves the plant absorbs and ...

  • Southern soils mitigate manure microbes

    That swine manure sprayed on to fields adds valuable nutrients to the soil is well known. But what is not known is whether all that manure is bringing harmful bacteria with it. A new study looks at the levels of nutrients and bacteria in soils of fields that have been sprayed with manure for fifteen years or more. The research team, composed of scientists from the USDA-ARS Crop Science Research ...

  • Smart farming technique to boost yields, cut fertilizer pollution

    Researchers at Lancaster University are using X-rays to help farmers increase yields and cut water pollution following an unexpected discovery in a pea and bean crop. Plant and Soil Scientists hope to combine two new technologies to provide a rapid "same day" measurement of soil phosphorus availability, enabling farmers and growers to make more informed decisions about fertiliser ...


    By Lancaster University

  • Glomalin is key to locking up soil carbon

    A soil constituent known as glomalin provides a secure vault for the world's soil carbon. That’s according to Kristine Nichols, a microbiologist at the Agricultural Research Service (ARS) Northern Great Plains Research Laboratory in Mandan, N.D. Glomalin is a sticky substance secreted by threadlike fungal structures called hyphae that funnel nutrients and water to plant roots. Glomalin acts like ...

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