Spraying plants with the hormone salicylic acid can help them withstand excess salt in the soil, report scientists in Pakistan. External application of the chemical improves the growth of salt-stressed sunflower plants and leads to higher yields.
Epidemiological study on effect of air pollution on human health (adults) in Delhi
How green is green?
Accessing Asia
Doha: inaction in the face of urgency
Coal mines to get automatic nod for first expansion
