Sentences with phrase «of soil fertility»

There has been a massive loss of soil fertility accompanied by periodic droughts.

Prior to applying new products, the benefits of soil fertility must be carefully weighed against the risks, and the first step is identifying potential sources of contamination.

And so it should, as many start taking ecologists» warnings more serious and are discovering for themselves that maintenance of soil fertility is critical to the sustainability of our food supply.

Erosion and the loss of soil fertility cause further complications, and as yields decline, more and more petrochemical fertilizers are applied to the soil, finding their way into already polluted water supplies.

Burgt, Geert - Jan H.M.; Rietema, Carina and Bus, Michiel (2018) Planty Organic 5 year: evaluation of soil fertility, nitrogen dynamics and production..

Effects of soil fertility strategies and nitrogen levels on mycotoxins and seedling blight..

Unlike rice and wheat that require many inputs in terms of soil fertility and water, millets grow well in dry regions as rainfed crops.

In the appendixes at the end, we have provided (1) a list of Lao - IRRI publications relating to rainfed lowland rice, which are available from IRRI, and (2) a list of soil fertility experiments that have been conducted from 1991 to 2000.

Soil organic matter, a measure of soil fertility, has not declined in the past 30 years.

Earthworms are highly suitable bio-indicators of soil fertility, and they are known for their sensitivity to synthetic pesticides and to many agricultural practices.

However, new UMN research published in Environmental Research Letters found that regardless of soil fertility or rainfall amounts, the single variable that was by far the strongest determinant of how much a shrub grew in a given year was the temperature in June.

It also has contributed to key insights about how animal behavior can be harnessed to improve the condition of the land, especially in regions like his native Zimbabwe with long dry seasons during which ruminants are conveyers of soil fertility and moisture.

His contribution to the field of soil fertility mirrors the contribution of Dr. Weston A. Price to the field of nutrition.

In this lesson plan students will demonstrate an understanding of soil fertility and its effect on...

Since organic farmers can not compensate for a loss in soil fertility by inputs of synthetic nutrients, the building and maintenance of soil fertility is a central objective of organic agriculture2.

Australia previously occupied us here, in - Australian farmers» carbon stocks with natural farming projects suggested as alternatives to stem the terrible loss of soil fertility, and carbon, from the soils

Wild species perform a variety of ecological services within organic systems: pollination, pest control, maintenance of soil fertility.

The United Nations Environment Programme (UNEP), of which I am executive director, contends that for agriculture to meet our future needs sustainably, ecosystem services such as water provision, pollination and maintenance of soil fertility must be enhanced.

Projected impacts of climate change include extended periods of drought and, on the other hand, loss of soil fertility and degradation as a result of increased precipitation, both of which will negatively impact on agriculture and food security.

But I too must remember to look at the bigger picture: there was bound to be an environmental catastrophe sooner or later due to one thing or another, over-population, loss of soil fertility, unbalanced nitrogen cycle, loss of available phosphorus for fertiliser, deforestation, globalisation (as it has been practiced), pollution, etcetera.