Survey on fertility of tea garden soil in Meizhou region indicates that tea garden soil has strong acidity; organic matter content remains at medium level; there is a severe lack of available content of nitrogen(N),ph...Survey on fertility of tea garden soil in Meizhou region indicates that tea garden soil has strong acidity; organic matter content remains at medium level; there is a severe lack of available content of nitrogen(N),phosphorus(P) and potassium(K); available calcium(Ca) and magnesium(Mg) content is also insufficient; available sulfur(S) is abundant. In the management of tea cultivation,it is recommended to supplement organic fertilizer,balance the application of NPK fertilizer,and adequately alleviate shortage of Ca and Mg element,to guarantee high and stable yield of tea.展开更多
Developing single-pixel color-tunable electroluminescence technology represents a practical approach to circumvent current limitations in pixel processing and longevity.However,existing single-pixel color-tunable quan...Developing single-pixel color-tunable electroluminescence technology represents a practical approach to circumvent current limitations in pixel processing and longevity.However,existing single-pixel color-tunable quantum dot light-emitting diodes(QLEDs)devices predominantly employ complex tandem structures.Herein,we demonstrate single-layer color-tunable QLEDs by the real-time interface exciplex modulation with AgInZnS(AIZS)quantum dots(QDs).The dynamically color-tunable QLEDs based on green-and red-emitting AIZS QDs exhibit broad spectral coverage,spanning from green to blue,red to yellow,as well as standard white emission.The fabricated devices achieve a leading maximum external quantum efficiency of 5%for quaternary alloy AIZS-based QLEDs.Furthermore,we successfully demonstrate patterned and large-area QLEDs,systematically confirming their significant potential for application in full-color display and lighting technologies.展开更多
基金Supported by Agricultural Mechanization Research Program of Guangdong Province "Application and Demonstration of Multi-functional and Intelligent Water and Fertilizer Application Facilities"
文摘Survey on fertility of tea garden soil in Meizhou region indicates that tea garden soil has strong acidity; organic matter content remains at medium level; there is a severe lack of available content of nitrogen(N),phosphorus(P) and potassium(K); available calcium(Ca) and magnesium(Mg) content is also insufficient; available sulfur(S) is abundant. In the management of tea cultivation,it is recommended to supplement organic fertilizer,balance the application of NPK fertilizer,and adequately alleviate shortage of Ca and Mg element,to guarantee high and stable yield of tea.
基金supported by the National Key Research and Development Program of China(2024YFB3612400 and 2024YFA1210002)the National Natural Science Foundation of China(62574111,62204120,52533012,U24A20286,52131304,and 62261160392)+1 种基金International Cooperation Program of Jiangsu Province of China(BZ2024038)the Fundamental Research Funds for the Central Universities(30925010415).
文摘Developing single-pixel color-tunable electroluminescence technology represents a practical approach to circumvent current limitations in pixel processing and longevity.However,existing single-pixel color-tunable quantum dot light-emitting diodes(QLEDs)devices predominantly employ complex tandem structures.Herein,we demonstrate single-layer color-tunable QLEDs by the real-time interface exciplex modulation with AgInZnS(AIZS)quantum dots(QDs).The dynamically color-tunable QLEDs based on green-and red-emitting AIZS QDs exhibit broad spectral coverage,spanning from green to blue,red to yellow,as well as standard white emission.The fabricated devices achieve a leading maximum external quantum efficiency of 5%for quaternary alloy AIZS-based QLEDs.Furthermore,we successfully demonstrate patterned and large-area QLEDs,systematically confirming their significant potential for application in full-color display and lighting technologies.
