Publications by authors named "Bing Yao Ma"
The issue of how to alleviate the negative effects imposed by water stress is an interesting problem. Plant growth-promoting rhizobacteria (PGPR) colonize the rhizosphere of plants and are known to promote the growth of crops. However, there are few studies characterizing the physiological response of plants to drought stress after PGPR inoculation.
View Article and Find Full Text PDFA plantation of 5-year-old poplar Populus × euramericana cv. 'Neva' was used to study the regulatory effects of root pruning on nutrients, photosynthetic characteristics, and water-use efficiency (WUE) of leaves and growth rates of diameter at breast height (DBH; 1.3 m), tree height, and volume.
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- The study explored how different levels of root pruning affect soil characteristics and microbial activities around poplar trees.
- Moderate root pruning enhanced the concentrations of beneficial nutrients like amino acids and organic acids while lowering soil pH.
- This treatment also boosted tree growth metrics (DBH, height, volume) and improved soil microbial health compared to light and severe pruning, demonstrating that the extent of root pruning plays a significant role in soil ecology.
A pot experiment including five treatments, i.e., CK (neither fertilizer nor super absorbent polymers), U (urea alone), S [super absorbent polymers (SAP) alone], SUM (SAP mixed with urea) and SUG (gel made of SAP and urea) was conducted to evaluate their effects on fine root morphological characteristics, fine root absorption area, fine root nitrogen metabolism and nitrogen use efficiency of Platycladus orientalis bareroot seedlings.
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- The study examined how four specific plant growth-promoting rhizobacteria (PGPR) affect walnut rhizosphere soil under drought stress, revealing that drought significantly reduced microbial activity and nutrient availability.
- Bacillus cereus L90 was found to notably improve high-labile organic carbon levels and lower soil pH compared to un-inoculated controls, suggesting it helps counteract the negative effects of drought.
- The study highlighted that L90's inoculation led to lesser declines in microbial populations and diversity indices, showing its potential in enhancing soil health under drought conditions compared to the other PGPR tested.
To elucidate the potential influence of humic acidfertilizer on groundwater and soil quality in clay soil (CS) and sandy soil (SS), nitrate nitrogen leaching and residue of different fertilizers in field soil were studied using a self-made leaching field device. Nitrate nitrogen concentration in leaching water of fertilizer treatments was 28.1%-222.
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