Effects of Biofertilizers and Potassium Sulfate On Nutrients Uptake and Physiological Characteristics of Maize ( Zea mays L.) Under Drought Stress
Journal of Crop Health(2024)
摘要
Drought stress is one of the primary stresses that reduce crops’ yield in some parts of the world. In this regard, to mitigate drought stress effects on plants, farmers usually apply chemical fertilizers that lead to environmental issues. This study aimed to investigate the effect of biofertilizer application containing potassium-solubilizing bacteria ( Pseudomonas koreensis and Pseudomonas vancouverensis ), phosphorus-solubilizing bacteria ( Pseudomonas putida ), and nitrogen-fixing bacteria ( Pantoea agglomerans ) as an environmentally friendly biofertilizer for the growth and uptake of some essential nutrients in maize and its effect on drought tolerance. To achieve this, a Completely Randomized Design with ten treatments experiment was conducted in greenhouse conditions. The findings revealed that biofertilizers have the potential to improve maize yield and physiological characteristics, particularly under drought stress. The discussion section explores the mechanisms through which biofertilizers exert their effect and discusses practical implications for agricultural practices and environmental sustainability. Overall, this study contributes valuable insights into sustainable agricultural practices and has the potential to inform decision-making processes for farmers and policymakers.
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关键词
Biofertilizer,Sulfate of potash,Drought stress,Microelements,Macroelements
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