Scientists will publish the first-ever analysis Monday of the global state of land and its ability to sustain a fast-growing human population that relies on it for 95 percent of all food.

Soil fertility has direct implications on the agricultural production scenarios of a region. Surface soil samples at 1 km grid were collected to assess the fertility status of Lakhimpur district (Assam) in North East India. Fertility parameters like soil organic carbon, available nitrogen, phosphorus, potassium, iron, manganese, zinc and copper were determined using standard analytical procedure.

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The UK has an estimated 100 harvest left before soils become too degraded to grow crops, one study shows. Photograph: Tim Gainey/Alamy

Inorganic phosphorus (P)-solubilizing bacteria (IPSB) and organic P-mineralizing bacteria (OPMB) were isolated from bacteria that were first extracted from the rhizosphere soil of a natural wetland and then grown on either tricalcium phosphate or lecithin medium. The solubilizing of inorganic P was the major contribution to P availability, since the isolated bacteria released much more available P from inorganic tricalcium phosphate than lecithin.

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The study involved researchers from Tenwek hospital, US National Cancer Institute, University of Missouri and Mayo Clinic.

Nearly a third of the carbon dioxide released into the atmosphere annually can be traced back to bacteria living in the soil, where they break down plant and animal matter for energy.

Warming soils are releasing more carbon into the atmosphere than previously thought, suggesting a potentially disastrous feedback mechanism whereby increases in global temperatures will trigger mas

Billed as a more environmentally friendly way to rear cattle, grass-fed beef has been the red meat of choice for many a climate-conscious carnivore.

A third of the planet’s land is severely degraded and fertile soil is being lost at the rate of 24bn tonnes a year, according to a new United Nations-backed study that calls for a shift away from d

The first Israeli satellite for environmental research was launched early Wednesday morning from the European spaceport in Kourou, French Guiana.

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