Nitrogen(N)and phosphorus(P)are mineral nutrients essential for plant growth and development,playing a crucial role throughout the plant life cycle.Cotton,a globally significant textile crop,has a particularly high de...Nitrogen(N)and phosphorus(P)are mineral nutrients essential for plant growth and development,playing a crucial role throughout the plant life cycle.Cotton,a globally significant textile crop,has a particularly high demand for N fertilizer across its developmental stages.This review explores the effects of adequate or deficient N and P levels on cotton growth phases,focusing on their influence on physiological processes and molecular mechanisms.Key topics include the regulation of N-and P-related enzymes,hormones,and genes,as well as the complex interplay of N-and P-related signaling pathways from the aspects of N-P signaling integration to regulate root development,N-P signaling integration to regulate nutrient uptake,and regulation of N-P interactions—a frontier in current research.Strategies for improving N and P use efficiency are also discussed,including developing high-efficiency cotton cultivars and identifying functional genes to enhance productivity.Generally speaking,we take model plants as a reference in the hope of coming up with new strategies for the efficient utilization of N and P in cotton.展开更多
为缓解日益增大的电网调峰压力和满足愈发复杂的水电并网和调度需求,构建了一种能够考虑机组状态的梯级水电站短期调峰模型。该模型以机组为基本调度单元,以电网剩余负荷最大值最小为目标,综合考虑了水库运行约束、电网安全约束、机组...为缓解日益增大的电网调峰压力和满足愈发复杂的水电并网和调度需求,构建了一种能够考虑机组状态的梯级水电站短期调峰模型。该模型以机组为基本调度单元,以电网剩余负荷最大值最小为目标,综合考虑了水库运行约束、电网安全约束、机组运行限制和不同水头对机组发电效率的影响,实现了精细化调度。针对模型中的调峰目标函数、机组发电水头、机组运行组合振动区以及机组动力特性曲线等非线性因素,提出了相应的线性化处理策略,将原模型转换为标准混合整数线性规划（mixed integer linear programming,MILP）模型,然后使用商业优化软件包LINGO对模型进行求解。以乌江干流梯级水电站为研究对象的计算实例表明,该模型具有较高的求解精度和计算效率,调峰效果十分显著。展开更多
基金supported by Supported by National Key Laboratory of Cotton Bio-breeding and Integrated Utilization(CB2023C07)Xinjiang Autonomous Region"Three Agricultural"Backbone Talent Training Program(2022SNGGNT024)Xinjiang Huyanghe City Science and Technology Program(2023C08).
文摘Nitrogen(N)and phosphorus(P)are mineral nutrients essential for plant growth and development,playing a crucial role throughout the plant life cycle.Cotton,a globally significant textile crop,has a particularly high demand for N fertilizer across its developmental stages.This review explores the effects of adequate or deficient N and P levels on cotton growth phases,focusing on their influence on physiological processes and molecular mechanisms.Key topics include the regulation of N-and P-related enzymes,hormones,and genes,as well as the complex interplay of N-and P-related signaling pathways from the aspects of N-P signaling integration to regulate root development,N-P signaling integration to regulate nutrient uptake,and regulation of N-P interactions—a frontier in current research.Strategies for improving N and P use efficiency are also discussed,including developing high-efficiency cotton cultivars and identifying functional genes to enhance productivity.Generally speaking,we take model plants as a reference in the hope of coming up with new strategies for the efficient utilization of N and P in cotton.
文摘为缓解日益增大的电网调峰压力和满足愈发复杂的水电并网和调度需求,构建了一种能够考虑机组状态的梯级水电站短期调峰模型。该模型以机组为基本调度单元,以电网剩余负荷最大值最小为目标,综合考虑了水库运行约束、电网安全约束、机组运行限制和不同水头对机组发电效率的影响,实现了精细化调度。针对模型中的调峰目标函数、机组发电水头、机组运行组合振动区以及机组动力特性曲线等非线性因素,提出了相应的线性化处理策略,将原模型转换为标准混合整数线性规划（mixed integer linear programming,MILP）模型,然后使用商业优化软件包LINGO对模型进行求解。以乌江干流梯级水电站为研究对象的计算实例表明,该模型具有较高的求解精度和计算效率,调峰效果十分显著。
