Even as the death toll from India's heatwave continues to rise, there is more to come in the form of crop damage, writes Liz Hanna.
Replacing chemical fertilizer with organic manure not only reduces greenhouse gas emissions but also improves the quality of the soil.
China's wheat productivity has gone from one tonne per hectare in 1945 to five tonnes per hectare in 2013.
Climate change has caused Sri Lanka’s rice outputs to fall to their lowest levels since 2010, according to FAO estimates.
Maximizing crop yields on existing farms to reduce deforestation in developing countries may become financially untenable in the long-term, researchers say.