fertilisers

I believe many farmers know as well that the chemical fertilisers are not their best choice, but they have no alternative.

Highly demanded as the main component in the production of other organic or compound fertilisers, as well as in soil conditioner products.

That leaves just alumina and fertilisers as the major commodities consumed by China whose price is still negotiated in long-term contracts .

Among the sectors targeted by Martin Currie for investment are companies involved in healthcare, fertilisers, construction and retailing.

Currently nitrogen fertilisers are used to supplement these soils, which can be costly and cause ecological problems.

Phosphate fertilisers, which often contain the toxins fluoride and arsenic, are among the most environmentally damaging of all fertilisers.

Over time, many farming techniques have been modernised: chemical fertilisers are now used and electric pumps are used in irrigation.

It may be lack of fertilisers, poor husbandry or agronomy, too much water or too little at the wrong time.

Maize production has soared five-fold (due mainly to fertilisers) and receipts for crop sales have steadied thanks to a cereals bank.

The prices of fertilisers are recovering more slowly than those of other commodities, making fertiliser companies relatively cheap.

It's used in mining, steel production, oil refining and chemical synthesis, and in the manufacture of fertilisers, detergents and plastics.

In Tanzania vouchers for fertilisers are handed out not to the most productive areas but to the party loyalist areas.

High quality phosphorus reserves are diminishing and the cost of fertilisers is escalating rapidly.

Emissions mostly come from vehicle exhausts, factories, artificial fertilisers and manure from intensive farming.

Use the compost from your own compost heap rather than artificial fertilisers This saves you from spending money on potting compost.

The worst culprit is a greenhouse gas called nitrous oxide, a breakdown product of nitrogen fertilisers (including organic ones).

Demand is instead shifting towards magnesium-related fertilisers - hence Century Sunshine's interest in the serpentine mine.

"This could reduce the need for artificial fertilisers, providing both ecological and economic advantages, " he says.

Previously, scientists have applied chemical fertilisers to the soil to encourage microbes to degrade the oil.

It failed to complete a deal with Nufarm, an Australian fertilisers group, in 2009 after six months of talks.

The main nitrogen sources are agricultural fertilisers and pollutants in fossil fuels.

But the fertilisers are expensive, can threaten the environment themselves and also cause the soil to harden and become less fertile.

Britain's leading chemical company had shifted from dyes and explosives into fertilisers and petrochemicals.

There are many pesticides and fertilisers that are known to be carcinogenic.

Their manufacture can cause atmospheric pollution, and the fertilisers themselves can pollute soil and rivers.

For the hillside farmers of Rwanda, we are providing resources to enrich soil, improve seeds and fertilisers and reduce erosion.

Farmers use all sorts of fertilisers and pesticides to increase yields, which poses potential risks to human health.

One village might choose to begin an irrigation project, while another might invest in better seeds and fertilisers.

Yields were rising, pests appeared under control and fertilisers were replenishing tired soil.

But oil is also a constituent of many fertilisers and the growth of emerging markets is affecting demand for both.

Overkill with nitrate fertilisers (which are also a source of greenhouse gases) appears partly responsible.

The organic food movement represented in the UK by the Soil Association decries the use of nitrogen fertilisers.

The Norwegian fertiliser company Yara will improve port facilities in Africa to improve access to fertilisers and other inputs.

But jatropha can grow on poor-quality land unsuitable for food crops and needs little water or fertilisers.

The upfront investment for seeds and fertilisers is high, whereas returns are uncertain.

Nor is the reduction in initial growth something that even the finest fertilisers can get around.

That is now being addressed by the design of special fertilisers adapted to African soil.

Pan Jing of Greenpeace said farmers depended on fertilisers because many doubled as migrant workers and had less time for their crops.

China is largely self-sufficient in nitrogen fertilisers.

As global demand for tobacco falls, and the cost of inputs such as fertilisers increases, many farmers in Malawi are feeling the squeeze.

Shen said that at present, the "use of phosphate fertilisers is only 15 per cent and the remaining 85 per cent stay in soils uselessly. "

The development of the global biofuels industry further increased demand for agricultural commodities and hence fertilisers.

As with conventional fertilisers before the 19th century, though, no one knows exactly how they do work.

We then plant the maize, using no chemical or organic fertilisers.

Life was totally different when the Asesor family farmed with chemical pesticides and fertilisers.

These will be rural input shops that carry seeds and fertilisers to rural areas.

The aim of the venture is to show cocoa farmers how to increase yields using fertilisers and by working with each other.

Prudent use of fertilisers and reductions in energy consumption on farms also cut emissions.

In order to increase harvest, farmers use nitrates, pesticides and fertilisers, which damage the environment.

Conventional cotton is a delicate plant that is pampered with fertilisers and pesticides, and heavily irrigated.

More efficient use of fertilisers in food production is also needed, the report said.

Success would not only increase yields, but also reduce the need for water and fertilisers, since C4 plants make more efficient use of both.

The Green Revolution of the 1960s, for example, provided new seeds and subsidised fertilisers.

This is mainly because the use of fertilisers in agriculture is increasing.

Indeed, in America farm output is rising but the use of fertilisers and other inputs has been cut back.

Production Practice Innovations and Methods Organic Fertilisers Used Alternative Pesticides Used

emissions of nitrous oxide (a very powerful greenhouse gas) caused by the application of nitrogen fertilisers

Moving to our own modern tribe, monoculture, fed by powdered fertilisers and poisons, is bad for the future;