Sentences with phrase «soil tillage»

Soil management techniques — which include reducing soil tillage and applying biochar — have the potential to remove up to eight gigatons of carbon dioxide equivalent from the atmosphere every year.

Rolf Derpsch and Theodor Friedrich, «Development and Current Status of No - till Adoption in the World,» presentation for International Soil Tillage Research Conference, Izmir, Turkey, 16 June 2009; Conservation Technology Information Center, Purdue University, «National Tillage Trends (1990 — 2004),» from the 2004 National Crop Residue Management Survey Data; FAO, Intensifying Crop Production with Conservation Agriculture, at www.fao.org/ag, viewed 20 May 2003.

More than 10 000 years ago, agricultural societies accelerated these early defaunation and land clearing processes, ultimately replacing them with even more novel ecological transformations, including the culture of domesticated species, widespread soil tillage, sustained societal growth, and ever - increasing scales of material exchange, leading to globally significant transformation of the terrestrial biosphere by at least 3000 years before the present time.

They have other benefits, such as reducing the need for plowing and other soil tillage — which is costly in terms of energy use and may contribute to soil erosion.

Soil tillage nearly tripled the debt: 89 to 123 years.

Not exact matches

In the 1980s and»90s, the father - and - son duo Mike and Bruno Benziger experimented with methods like crop rotation, tillage, and natural composts to maintain soil health.

Tillage and farming system affect AM fungus populations, mycorrhizal formation, and nutrient uptake by winter wheat in a high - P soil.

Soil and Tillage Research, 73 - 94.

However, options for reducing tillage in the mid-Atlantic region have been identified and tried, including: (1) rotating annual grain crops with perennial forages; (2) decreasing depth and degree of soil inversion (e.g. chisel... Continued

Nearly 61 to 62 gigatons of carbon are lost from this pool as soil organic matter is oxidized by the atmosphere through tillage and erosion.

Organic grape growing avoids the use of synthetic chemicals and uses natural methods like crop rotation, tillage and natural composts to maintain soil health as well as natural methods to control weeds, insects and other pests.

Soil building practices such as crop rotations, inter-cropping, symbiotic associations, cover crops, organic fertilizers and minimum tillage are central to organic practices.

Current approaches to ecological agriculture such as integrated pest management, integrated plant nutrition systems and conservation tillage, consider only one aspect of the farming system components: pest ecology, plant ecology and soil ecology, respectively.

Thus the local amount of weed - free soil is the same as with tillage of the whole tree strip.

Smith et al. (1997) calculated a considerable potential increase of soil carbon when manure, straw - recycling, minimal tillage, reforestation and energy - saving plant production are combined.

Environmentally - friendly methods like crop rotation, inter-cropping, symbiotic associations and minimum tillage are used to improve soil, encouraging natural formation and structure and creating more stable systems.

Recommendations include crop rotation best suited to local soils; organically derived pesticides and herbicides; locally produced composted and manure fertilizers; and mulch tillage.

Likewise, reduced tillage, cover crops, intensified cropping systems, and other conservation practices are known to build the soil long - term.

For example, the organic matter can be balanced by reduced tillage practices; by double cropping, where two crop varieties are planted in succession in the same growing season; and by the use of cover crops that replenish the soil.

Through reduced tillage in farming — no - till being the prime example — and systems using cover crops and residue, those are major ways agriculture can reduce the emission of greenhouse gases because carbon dioxide is being taken up by the plant materials and stored in the soil.

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

Because tillage periodically disturbs the soil, it may also negate any benefits of fertilization.

Additionally, thin soils above limestone bedrock prevented tillage and the resulting forests provided concealment and cover for advancing troops.

The study shows that using this rotation may require that no tillage should be done to the soil during the fallow year.

Even light tillage can disintegrate the soil.

«Soil microbes flourish with reduced tillage.»

No - till and, to a lesser degree, conservation tillage maintains or improves soil quality by preserving soil structure and moisture, increasing soil organic matter, and providing habitat for soil microbes.

Chisel plows, which theoretically result in minimal soil disturbance, are commonly used as part of a conservation tillage system.

In an effort to detect consistent patterns across a large geographical area, University of Illinois researchers conducted a meta - analysis of 62 studies examining the effect of tillage on soil microbes.

«Tillage seems simple: you break up the soil or you don't.

The study suggests that since soil microbial biomass and enzymatic activity can stand in as proxies for soil quality, farmers should consider moving toward no - till or conservation tillage systems.

But intense tillage can compact soil, cause erosion, and deplete nutrients.

According to Mr. Charles Darwin, they give a kind of under tillage to the land, performing the same below ground that the spade does above for the garden, and the plow for arable soil.

Encouraging the fungal community and increasing carbon inputs from roots by minimizing tillage and planting perennial crops enhances soil structure and increases carbon storage times.

Agri is from Latin ager («a field»), and culture is from Latin cultura, meaning «cultivation» in the strict sense of «tillage of the soil.»

2010 Research highlights Our meta - analysis based on data from 69 paired - experiments indicated that: ▶ Cultivation with conventional tillage (CT) and no - tillage (NT) resulted in comparable soil C loss comparing with adjacent natural soils.

Cover crops, no - till farming, conservation tillage — mainstream farmers are exploring new ways to boost soil health.

Promising soil management techniques include controlled grazing; mulching with organic matter; applying manure and biosolids; use of cover crops in the rotation cycle; agroforestry; contour farming; hedgerows; terracing; plastic mulch for erosion control; no - till or conservation tillage; retention of crop residue; appropriate use of water and irrigation; and integrated nutrient management, including the judicious use of chemical fertilizers.

Methods such as accurate water measurement and soil moisture monitoring, laser - leveling fields, using conservation tillage to retain soil moisture, switching to low energy precision application sprinklers, lining canals, and employing subsurface drip irrigation where possible could save upwards of 40 percent of agriculture's water use while improving crop yields and saving energy.

However, some early studies indicated that nitrous oxide emissions from the soil could increase with zero tillage.

He has a site on his own farm near Central Butte (border of Brown and Dark Brown soil zones) where he has run chem fallow compared to tillage fallow for a number of years.

Furthermore, the team found that land that had been cultivated using conservation tillage since the 1980s had been able to recover more than a fourth of the soil organic carbon it had lost.

USDA, Natural Resources Conservation Service, CORE4 Conservation Practices Training Guide: The Common Sense Approach to Natural Resource Conservation (Washington, DC: August 1999); Rolf Derpsch, «Frontiers in Conservation Tillage and Advances in Conservation Practice,» in D. E. Stott, R. H. Mohtar, and G. C. Steinhardt, eds., Sustaining the Global Farm, selected papers from the 10th International Soil Conservation Organization Meeting, at Purdue University and USDA - ARS National Soil Erosion Research Laboratory, 24 — 29 May 1999 (Washington, DC: 2001), pp. 248 — 54.

Adaptive measures that may prove particularly effective include rainwater harvesting, conservation tillage, maintaining vegetation cover, planting trees in steeply - sloping fields, mini-terracing for soil and moisture conservation, improved pasture management, water re-use, desalination, and more efficient soil and irrigation - water management.

Keywords Soil carbon, soil organic matter, sequestration, humic substances, humin, land management, tillage practices, soil carbon models, Kyoto ProtSoil carbon, soil organic matter, sequestration, humic substances, humin, land management, tillage practices, soil carbon models, Kyoto Protsoil organic matter, sequestration, humic substances, humin, land management, tillage practices, soil carbon models, Kyoto Protsoil carbon models, Kyoto Protocol

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).

Trees can be cut down or burned, while soils can be returned to tillage or badly - managed grazing.

Minimum tillage with biological nutrient recycling, as opposed to plowing and chemical fertilizers, could sequester 0.4 — 1.2 GtC / year [176] while conserving water in soils, building agricultural resilience to climate change, and increasing productivity especially in smallholder rain - fed agriculture, thereby reducing expansion of agriculture into forested ecosystems [177]--[178].

Another general legacy of agricultural land use has been the creation of anthropogenic soils (anthrosols)(85), including the manure - enriched «plaggen» soils of Northwestern Europe, which may date to 4000 B.C. (86), the «terra preta» of the Amazon basin enriched with charcoal dating perhaps to 500 B.C. (87) and potentially in Africa (88), together with a wide range of anthrosols altered by sustained tillage, irrigation, manuring, and other land - use practices (83, 89).

The tillage system will influence soil temperature, N availability and soil water content.