Effects of Different Doses of Biochar Applications on Yield and Nutrient Element Concentrations on Wheat Grown under Salt Stress
Abstract
In the study, the effects of different doses of biochar applications on the yield and nutrient uptake of wheat grown under salt stress in greenhouse conditions were investigated. The study was conducted in 2 kg capacity plastic pots with three replications using a random plot design. In the study, salt doses were applied as 0 dS m-1, 6 dS m-1 and 12 dS m-1 (in the form of NaCl), and biochar doses (BC) were applied as 0%, 0.5%, 1% and 2% W/W. At the end of the study, the dry matter yield of wheat plant and sodium (Na), nitrogen (N), phosphorus (P), potassium (K), calcium (Ca), zinc (Zn), manganese (Mn), iron (Fe) and copper (Cu) concentrations were determined. Study results showed that BC applications increased the dry matter production of the plant, and the highest was obtained with 2% BC application at 6 6 dS m-1 salt dose, 1.85 g pot-1. However, due to increasing salt doses, BC applications had no effect on the phosphorus and potassium concentrations of the wheat plant, except for calcium, and decreases were determined in the average values. In the study, although all BC applications increased iron, zinc, manganese and copper concentrations compared to the control, when evaluated in terms of average values, decreases were detected in the microelement concentrations of the plant due to increasing salt doses
Keywords
Abiotic stress, Biochar soil conditioner, Salinity mitigation, Wheat crop resilience, Enhanced nutrient availability
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