Returning nitrogen to soils without chemicals

While agricultural production around the world struggles with declining soil health, Australian researchers are investigating production of a sustainable organic nitrogen fertilizer made from aquatic cyanobacterial biomass—ideally ...

Efficient phosphorus use can prevent cropland expansion

More efficient use of phosphorus fertilizers would make it possible to meet food demand in 2050, without using more of the world's land for agriculture. This is what environmental scientists José Mogollón and colleagues ...

Hot nights confuse circadian clocks in rice, hurting crop yields

Rising nighttime temperatures are curbing crop yields for rice, and new research moves us closer to understanding why. The study found that warmer nights alter the rice plant's biological schedule, with hundreds of genes ...

Mixed cultures for a greater yield

Monocultures dominate arable land today, with vast areas given over to single elite varieties that promise a high yield. But planting arable land with just one type of crop has its disadvantages: these areas are easy game ...

Nuclear war could trigger big El Nino and decrease seafood

A nuclear war could trigger an unprecedented El Niño-like warming episode in the equatorial Pacific Ocean, slashing algal populations by 40 percent and likely lowering the fish catch, according to a Rutgers-led study.

Land deals meant to improve food security may have hurt

Large-scale land acquisitions by foreign investors, intended to improve global food security, had little to no benefit, increasing crop production in some areas while simultaneously threatening local food security in others, ...

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