Sentences with phrase «low organic yields»

Insect and disease damaged fruits and vegetables can quickly become unmarketable, and this might explain the relatively low organic yields of fruit and vegetable crops compared to their conventional counterparts.

But these yield differences are highly contextual, depending on system and site characteristics, and range from 5 % lower organic yields (rain - fed legumes and perennials on weak - acidic to weak - alkaline soils), 13 % lower yields (when best organic practices are used), to 34 % lower yields (when the conventional and organic systems are most comparable).

Not exact matches

Also, there is a limited source of organic products because they have lower yields.

Crowder, lead author and assistant professor of entomology at Washington State University, says he and Reganold became interested in the topic after reading a study several years ago that indicated that organic farming produces a lower crop yield than conventional agriculture.

Almost 50 hectares of vineyard is planted to low - yielding certified organic and biodynamic shiraz, grenache, cabernet sauvignon, mataro, durif, petit verdot, tempranillo, zinfandel, semillon, chenin blanc and viognier grapes.

The researchers say their interest was piqued after seeing a study that positioned organic agriculture as less productive than conventional, with lower crop yields.

He will highlight how organic farming practices can increase yield while keeping emissions low - a win - win scenario for people and planet.

Systems like this have poor production values and become easy fodder for people who believe organic is intrinsically a lower yield scenario.

However, critics argue that organic agriculture may have lower yields and would therefore need more land to produce the same amount of food as conventional farms, resulting in more widespread deforestation and biodiversity loss, and thus undermining the environmental benefits of organic practices5.

For instance, for perennials grown on favourable soils organic yields are just 5 lower than conventional yields, but the yield difference between the most comparable conventional and organic systems is as high as 34.

Our analysis of available data shows that, overall, organic yields are typically lower than conventional yields.

To say organic farming's yields are so low you would have to sacrifice rainforests is misplaced.

However, there are still a number of sustainability challenges concerning organic agricultural and horticultural systems of today and organic farming is criticized for its, in many cases, lower yield performances.

These expenses, combined with lower yields and increased labor costs, are often not sufficiently offset by the price premiums paid for organic coffee, which are typically around 20 to 25 percent.

Economically speaking, the selling price of organic rice in the Ebro Delta is higher than conventional rice, and permits greater profit to farmers, in spite of the major cost of labour (organic farming of this particular system needs 25 percent more than conventional farming) and lower yields -LRB--15 percent in organic paddy fields).

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

Despite lower yields, organic agriculture is more profitable (by 22 — 35 %) for farmers because consumers are willing to pay more.

As livestock generally provides a lower return per hectare than crops, organic cereal / livestock producers are doubly disadvantaged as they have lower yields, especially during conversion, and a less favourable output mix.

While the proportion of soluble nutrient fractions is lower on organically managed soils, there is no decrease in organic yields since higher biological activity and higher mycorrhizal root colonization counteract nutrient deficiency.

But, he added, in order to close the import - export gap, farmers need help making ends meet during the three transition years in which they must farm organically and often experience lower yields than under conventional methods, but do not yet qualify for the higher price premium of organic to compensate for their losses.

Sal Gilbertie, of Gilbertie's Herb Garden in Westport, CT will discuss strategies to maximize harvests with a low - impact, all organic, and sustainable produce garden for gardeners with plots of all sizes during «Small Plot, High Yield Gardening.»

To look at it another way, traditional and lower - input approaches to farming such as organic produce significantly lower yields than modern methods.

We've all heard proponents of conventional agriculture claim that organic farming is a recipe for global starvation because it produces lower yields.

Because of the lower yields with typical organic farming, the amount of energy required to deliver a consumer - worthy product is typically higher but also depends on how hardy (Potatoes?)

However, even when yields may be lower, organic agriculture is more profitable for farmers because consumers are willing to pay more.

Over 2 decades, the average crop yield was about 20 % lower in the organic plots, the team reports in the 31 May issue of Science.

High yields came as a surprise: «There's been criticism that organic yields are lower than conventional yields,» Reganold says.

There we found that organic farms have significantly lower yields than their conventional counterparts..

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.

In essence, there's a lot here for organic supporters to cherry - pick as evidence of organic's yield potential (but not cherries, which yielded much lower).

Perhaps most distressingly, some of the healthiest foods on the planet yielded comparatively poorly under organic production: 42 percent lower for blueberries, 23 percent lower for broccoli, and almost 40 percent lower for tomatoes.

In those cases, where the yields are lower on organic farms, comparisons made per kg of product are less fa - vourable for organic systems (Chirinda et al., 2010b) unless N use efficiency is higher on organic farms (cf. 4 below).

«First and foremost, we found that corn and soybean yields were the same across the three systems,» said Pimentel, who noted that although organic corn yields were about one - third lower during the first four years of the study, over time the organic systems produced higher yields, especially under drought conditions.

«There are people who are spokespersons for the green - revolution agriculture that have been dismissive of organic agriculture because of low yields,» Badgley said.

A primary criticism of organic agriculture is lower yield compared to non-organic systems.

Similar to previous work, organic crop yields in our analysis were lower than conventional crop yields for most crops.

These hotspots were not associated with higher organic yields, but rather occurred in lower yielding regions for both conventional and organic production [39, 40].

Because organic agriculture and other biodiversity - friendly farming practices generally have lower yields than industrial agriculture, REDD will therefore encourage a shift toward from more productive forms of food production.

The response of biogenic secondary organic carbon aerosol production to a temperature change, however, could be considerably lower than the response of biogenic VOC emissions since aerosol yields can decrease with increasing temperature.

However, the ability of organic agriculture to contribute significantly to the global food supply has been questioned owing to low yields, increased land use and insufficient quantities of organically acceptable fertilizers (Badgley & Perfecto 2007).

«The real question is, if the yields are lower and production costs higher,» in organic, do these numbers pencil out for farmers «without the premium?»

Organics are processed at much lower temperatures than inorganics, and while their efficiencies are substantially lower (about 3 percent), they can be spread over wide areas, yielding an equivalent amount of energy.