Sentences with phrase «in soil fertility»

Their finding was straightforward: «Agriculture in Lesotho faces a catastrophic future; crop production is declining and could cease altogether over large tracts of the country if steps are not taken to reverse soil erosion, degradation, and the decline in soil fertility
A U.N. team visiting in 2002 found that crop production there «is declining and could cease altogether over large tracts of country if steps are not taken to reverse soil erosion, degradation, and the decline in soil fertility
On the other hand Biodynamic practices and certification have remained intact, firmly grounded in soil fertility without the compromises that have affected the U.S. organic standards.
Benefits, which improve resilience, include improvements in soil fertility and water - use efficiency, plus disruption of weed, pest, and disease life cycles.
In highly polluted soils, the latter could, in turn, contribute to a reduction in soil fertility.
The resulting improvement in soil fertility may have allowed the land to support a larger, more stable crop - based population, although studies of fossilized pollen have not yet revealed the specific plants they cultivated.
The reduction of nitrogen is predicted to result in a decline in soil fertility and agricultural productivity downstream of the projects, leading to a greater reliance on chemical fertilizers.
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.

Not exact matches

We recognize this goodness in the fertility of the soil, natural harbors, scenic beauty, the availability of water, and the subsurface riches of coal, oil, gold, iron and other substances.
The exigent needs of the primitive community — rain, fertility of soil and herd, victory in war — were not obviously associated with ethical quality and behavior.
Yet any attempt to grow crops on cleared land will be unproductive because the soil's fertility and ability to absorb water are held in the very trees being cut down.
From the data that we have, we see that hemp does have a lot of strong interactions with the biology in soil in enhancing the nutrient content, the fertility of soil and soil structure, which are all very important to enhancing soil health,» said Dr. Kristine Nichols, Chief Scientist of Rodale Institute.
Zanen, M.; Bokhorst, J.G. and Koopmans, C.J. (2008) Soil Fertility and Biodiversity effects from Organic Amendments in Organic Farming.
Fließbach, Andreas; Baars, Ton; Huisman, Sebastiaan; Jorgas, Thorsten; Lewandowska - Robak, Maja; Strässer, Cornelius and Mäder, Paul (2014) Variability of soil fertility and crop yield on a sandy field site in western Poland under bio-dynamic management».
Unlike rice and wheat that require many inputs in terms of soil fertility and water, millets grow well in dry regions as rainfed crops.
Organic Vegetable Production Systems, Soil and Fertility Management in Organic Farming Systems - 04/05/2018 - 13:40
It offers a cool climate with large diurnal temperature swings and soils that are low in fertility and heavy on rocks and pebbles.
Soil fertility research has been conducted in all provinces of Laos through this effort.
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 yeSoil organic matter, a measure of soil fertility, has not declined in the past 30 yesoil fertility, has not declined in the past 30 years.
In addition to the direct environmental benefits Organic Agriculture provides, it reduces farm costs in the long - term by increasing soil fertility, ensures animal welfare, protects farmers against dangerous pesticide exposure and contributes to rural development by generating additional farm employment and fair incomeIn addition to the direct environmental benefits Organic Agriculture provides, it reduces farm costs in the long - term by increasing soil fertility, ensures animal welfare, protects farmers against dangerous pesticide exposure and contributes to rural development by generating additional farm employment and fair incomein the long - term by increasing soil fertility, ensures animal welfare, protects farmers against dangerous pesticide exposure and contributes to rural development by generating additional farm employment and fair incomes.
Generally speaking, the best pepper - growing soil has the following characteristics: a warm, full - sun location; well - drained loam or sandy loam high in organic material but with moderate fertility; a herbicide - free environment; little or no alkali; and a pH registering from 6.0 to 8.0 (ideally 6.7 to 7.3).
They bought their nine - acre farm in 2000, and named it after the Native American practice of growing corn, beans, and squash in the same mounds - a sophisticated, sustainable system that provided long - term soil fertility and a healthy diet then, and still does.
A living soil is central to soil fertility because it is the activity of soil organisms that makes available the elements in plant residues and organic debris entering the soil.
As mineralization processes proceed much faster on ferralitic soils in the tropics and subtropics than on soils typical to temperate and continental zones, a high organic matter content and high biological activity are the pre-requisite for sustainable soil fertility.
Organic management practices had led to substantial erosion control and improvements in soil structure and fertility (see table below).
Many soils in such lowland tropical areas are considered infertile and so Terra Preta, with its enhanced fertility due to high levels of soil organic matter and nutrients such as nitrogen, phosphorus, potassium and calcium, is quite an anomaly.
The food industry needs to take greater steps towards sustainable development — one of the key messages from the Sustainable Foods Summit 2015, hosted in Amsterdam on June 4 - 5, 2015, also citing soil fertility, carbon management, regulatory framework, and sustainable food production as major areas of concern.
Organic matter content is usually higher in organically - managed soils, indicating higher fertility and stability of organic soils as well as moisture retention capacity, which reduce the risk of erosion and desertification.
In contrast, the overuse of synthetic fertilizers in conventional farming will often leave the soil stripped of organic matter, robbed of natural fertility, and devoid of microbial activitIn contrast, the overuse of synthetic fertilizers in conventional farming will often leave the soil stripped of organic matter, robbed of natural fertility, and devoid of microbial activitin conventional farming will often leave the soil stripped of organic matter, robbed of natural fertility, and devoid of microbial activity.
He mentioned the Free Seedlings Distribution programme which provides early bearing and high yielding planting materials to farmers at no cost, the Free Fertilizer Distribution Programme which is helping to improve upon soil fertility and increase yield, the National Cocoa Rehabilitation Programme which has facilitated the replanting of large hectares of over-aged, moribund and diseased farms as well as the Youth in Cocoa Initiative which is curbing the ageing - cocoa - farmers situation in Ghana.
So tweeted the renowned environmental campaigner and journalist George Monbiot earlier this week, after Gove condemned farmers who «drench» their fields in chemicals and damage soil fertility.
General News of Tuesday, 8 May 2018 Source: Myjoyonline.com USAID is working with the Ministry of Food and Agriculture to address all soil fertility issues USAID Ghana Agriculture Sector Team Lead, Ms Jenna Tajchman has called on stakeholders to urgently put in place the necessary measures to restore soil fertility in the three regions of the north to complement efforts towards food security.»
If we want to increase food security and resilience of farmers in Ghana, we need to start by restoring the fertility of soils,» she added.
They also process organic matter in soil, modifying key properties related to soil fertility and water availability.
This study gets us closer to understanding the complex food webs that are vital in nutrient dynamics and overall soil fertility,» said study first author Tami Swenson, a scientific engineering associate in Northen's group within the Berkeley Lab Biosciences Area's Environmental Genomics and Systems Biology (EGSB) Division.
Regenerative practices like those used on the farms and ranches I visited show that we can readily improve soil fertility on both large farms in the U.S. and on small subsistence farms in the tropics.
In both the developed and developing worlds, these farmers rapidly rebuilt the fertility of their degraded soil, which then allowed them to maintain high yields using far less fertilizer and fewer pesticides.
«A Wild Weedy Scourge,» page 24 «Resource Heterogeneity, Soil Fertility and Species Diversity: Effects of Clonal Species on Plant Communities,» by J. Alexander Eilts and colleagues in May issue of The American Naturalist describes how plants like cogon grass, which spread through expansive underground networks, reduce biodiversity even in soils that are thought to boost it.
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.
Schlesinger noted that as the ecosystem changed, key nutrients in the soil — such as nitrogen, phosphorus, and various organic elements — accumulated beneath the canopies of the mesquite bushes, forming what he called islands of fertility and starving out the surrounding grasses.
«They probably play an important role in restoring fertility to the soil in pastures, where it has been damaged by exposure to extremes of both temperature and humidity,» he says.
In her experiment, Bybee - Finley planted four cover crops, which are plants that add fertility to the soil and protect it from erosion.
Consider the role of nematode worms in maintaining the health and fertility of soils.
«A significant amount of black carbon» So researchers have counted the biochar locked in the soil — where it enhances fertility — as carbon out of circulation for millions of years.
He said many people have expressed interest in olive production either for a small acreage or a larger commercial operation, so he has teamed with fellow AgriLife Extension horticulturists Drs. Larry Stein of Uvalde and Jim Kamas of Fredericksburg to determine the best growing conditions, soil types, varieties and fertility needs.
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.
Despite the great improvements we have in crop genetics and fertility, we're still having to manage weeds,» Dille said, noting that weeds compete with crops for everything from sunlight to moisture to nutrients in the soil.
«It depends on the fertility of the soil in the region where you are producing the biochar, and whether you are offsetting coal or some other form of energy,» Amonette says.
Professor Richard Bardgett of The University of Manchester said: «Soils are severely degraded in many parts of the world and these findings suggest that enhancing plant diversity could be an important way of speeding up their restoration to bring back fertility.
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