Sentences with phrase «organic cropping systems»

Weed management can be a tough challenge in organic cropping systems since growers don't have herbicides in their weed control arsenal.

They are comparing two crop rotations — pasture - winter wheat - soybean - pasture and pasture - winter rye / hairy vetch - corn - pasture — and grazing dairy steers on the cover crops as a method of integrating livestock and organic cropping systems.

Media release Under the leadership of the Research Institute of Organic Agriculture (FiBL) the European research project «Fertility building in organic cropping systems» (FertilCrop) has commenced.

One of the biggest challenges farmers face while transitioning to organic cropping systems is weed management.

Not exact matches

The main experiments used to conduct this research are the Farming Systems Trial (FST)- the oldest continuous trial in the US that compares organic and conventional farming systems, the new Vegetable Systems Trial (VST)- comparing the impacts organic and conventional farming practices on nutrient density in vegetables and linkages to soil health, and Integrated Crop - Livestock Systems using annual and perennial crops along with cattle or hogs for soil, plant, and animal Systems Trial (FST)- the oldest continuous trial in the US that compares organic and conventional farming systems, the new Vegetable Systems Trial (VST)- comparing the impacts organic and conventional farming practices on nutrient density in vegetables and linkages to soil health, and Integrated Crop - Livestock Systems using annual and perennial crops along with cattle or hogs for soil, plant, and animal systems, the new Vegetable Systems Trial (VST)- comparing the impacts organic and conventional farming practices on nutrient density in vegetables and linkages to soil health, and Integrated Crop - Livestock Systems using annual and perennial crops along with cattle or hogs for soil, plant, and animal Systems Trial (VST)- comparing the impacts organic and conventional farming practices on nutrient density in vegetables and linkages to soil health, and Integrated Crop - Livestock Systems using annual and perennial crops along with cattle or hogs for soil, plant, and animal Systems using annual and perennial crops along with cattle or hogs for soil, plant, and animal health.

Utilizing cover crop mulches to reduce tillage in organic systems in the southeastern USA.

The performance of organic and conventional cropping systems in an extreme climate year.

Crop contamination from these residues represents a major challenge for organic — as well as for our whole food system.

National policies should be created to incentivize producers to change the way they manage their farming systems and adopt natural water retention measures used in organic agriculture such as green cover and intercropping as well as diversifying farmers» crop and income base so they have something to fall back on when drought strikes.

Excessive N can occur in organic systems after over-addition of manure, soluble N fertilizer, or N - rich cover crops (see Concepts for Organic Fertility).

Much of his research (organic field crop, dairying, and blueberry production) is conducted in partnership with commercial organic farms and producer groups and typically combines an assessment of the productivity and environmental or ecological impact of the production system.

A research project funded by the European Union found that the diversity of landscape and farming systems was greater in organic farms, regarding land use types, crops, livestock, plantings (hedges, solitary shrubs, trees) and flora.

Table 3 below shows figures on energy consumption (GJ) both per hectare and per unit of output (t) for different crops, comparing organic and conventional agriculture systems in Germany, Italy, Sweden and Switzerland.

Crop yields are generally lower on organic farms when compared with high input agricultural systems, especially during conversion years.

Table 5: Carbon sequestration by organic and conventional framing systems as a result of different crop rotations *

Rather, what's needed is a balance of systems, «a blend of organic and other innovative farming systems, including agroforestry, integrated farming, conservation agriculture, mixed crop / livestock and still undiscovered systems.»

Dr Bügel says: «No systematic differences between cultivation systems representing organic and conventional production methods were found across the five crops so the study does not support the belief that organically grown foodstuffs generally contain more major and trace elements than conventionally grown foodstuffs.»

Bruce Blumberg, professor of developmental and cell biology and pharmaceutical sciences at the University of California, Irvine, who coined the term «obesogen,» studies the effect that organotins — a class of persistent organic pollutants that are widely used in the manufacture of polyvinylchloride plastics, as fungicides and pesticides on crops, as slimicides in industrial water systems, as wood preservatives, and as marine antifouling agents — have on the body's metabolism.

The campaign features a foul - mouthed organic seed who delivers a bleeped - out rant about GMO (genetically modified) seeds which have led to the nutrient decline of 43 crops, over $ 15 billion in health costs in 2005 alone from agricultural pesticide exposure, and is responsible for an unsustainable food system.

The Weed Suppression Trial will use hemp as a rotational crop in an organic system.

Gelfand, I., S. S. Snapp, and G. P. Robertson, 2010: Energy efficiency of conventional, organic, and alternative cropping systems for food and fuel at a site in the U.S. Midwest.

Crop performance between organic and conventional systems in the Farming Systemssystems in the Farming SystemsSystems Trial.

The USDA / NASS studies tracked harvested acres without differentiating between irrigated and non-irrigated acreage; it gathered data on planted vs. harvested acres for some crops but not others; it did not account for systems in which «baby vegetable» crops (usually organic) are grown in short rotations on the same plot (such as spinach, lettuce, and carrots) and thus have lower yields; and it omitted some data that would have revealed too much information about individual farmers, in cases where very few growers produce a particular crop.

Rodale Institute's Research Department investigates a number of scientific and regenerative farming issues, including cover crop practices, organic weed management, organic no - till systems, compost use, influences of agricultural practices on water quality, and effects of mycorrhizae and other soil biota on crop and soil health, and yields.

It can also be used in crop rotation cycles (used in the system of organic gardening) to add vital nutrients back to the soil that are lost when growing crops like corn and tobacco.

The research compared soil fungi activity, crop yields, energy efficiency, costs, organic matter changes over time, nitrogen accumulation and nitrate leaching across organic and conventional agricultural systems.

Pimentel noted that although cash crops can not be grown as frequently over time on organic farms because of the dependence on cultural practices to supply nutrients and control pests and because labor costs average about 15 percent higher in organic farming systems, the higher prices that organic foods command in the marketplace still make the net economic return per acre either equal to or higher than that of conventionally produced crops.

The main experiments used to conduct this research are the Farming Systems Trial (FST)- the oldest continuous trial in the US that compares organic and conventional farming systems, the new Vegetable Systems Trial (VST)- comparing the impacts organic and conventional farming practices on nutrient density in vegetables and linkages to soil health, and Integrated Crop - Livestock Systems using annual and perennial crops along with cattle or hogs for soil, plant, and animal Systems Trial (FST)- the oldest continuous trial in the US that compares organic and conventional farming systems, the new Vegetable Systems Trial (VST)- comparing the impacts organic and conventional farming practices on nutrient density in vegetables and linkages to soil health, and Integrated Crop - Livestock Systems using annual and perennial crops along with cattle or hogs for soil, plant, and animal systems, the new Vegetable Systems Trial (VST)- comparing the impacts organic and conventional farming practices on nutrient density in vegetables and linkages to soil health, and Integrated Crop - Livestock Systems using annual and perennial crops along with cattle or hogs for soil, plant, and animal Systems Trial (VST)- comparing the impacts organic and conventional farming practices on nutrient density in vegetables and linkages to soil health, and Integrated Crop - Livestock Systems using annual and perennial crops along with cattle or hogs for soil, plant, and animal Systems using annual and perennial crops along with cattle or hogs for soil, plant, and animal health.

Meta - analyses comparing yields of organic and conventionally grown crops have repeatedly demonstrated a yield gap between the two systems.

As a result of his success, he saw a drastic increase in organic matter (~ 25 %) in just 3 years, and Nelson's farm now offers another example of what can work well: «Cash crop and grazing — these two systems can be symbiotic.

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.

His expertise includes organic crop production systems with a focus on weed management, cover crops, crop rotations, equipment modification and use, and facilities design.

However, in fallow - wheat cropping systems (where response to nitrogen is much lower), the contribution of fertilizers to organic matter may be minimal, and the use of fertilizers in these unsound practices may result in a net increase in CO2 emissions (Janzen, 1992).

KEY ACHIEVEMENTS • Formulated an organic pesticide, the use of which resulted in high organic content and crop yield • Saved 23 farm animals from an impending disease (discovered on the adjacent farmland) by quickly isolating and vaccinating them • Devised a novel irrigation system to provide water to all crop lines, without the use of sophisticated and expensive machinery • Suggested using the age old method of hand seeding, resulting in increased crop growth