Effects of Various Straw Return Strategies on Selenium and Cadmium Accumulation in Rice (Oryza sativa L.) Under Field Conditions
The widespread co-occurrence of elevated selenium (Se) and cadmium (Cd) in paddy soils presents a dual challenge of maximizing agronomic Se biofortification while simultaneously mitigating Cd toxic risks. Although straw return is a prevalent agricultural management practice, its specific impacts on the bioavailability...