Wyniki wyszukiwania:

This book introduces readers to nearly 600 common weeds. In addition to essential information, each chapter includes photos for a specific type of weed to show its morphology in different growth periods, such as seedling, root, flower, fruit, and mature plant. The book also discusses control measures, including agricultural, chemical, physical, biological, and comprehensive methods. The Volume1 mainly focuses on 126 species of grass weeds and 34 species of sedge weeds.

With the development of society and economics, weeds have become a recurring problem. In particular, the exotic,...

The aurora is the most visible manifestation of the connection of the Earth to the space environment and has inspired awe, curiosity, and scientific inquiry for centuries. Recent advances in observing techniques and modeling and theoretical work have revealed new auroral phenomena, provided a better understanding of auroral dynamics, and have led to an enhanced capability for auroral forecasts.

This monograph features discussions of:

• New auroral phenomena due to the ring current ion and polar rain electron precipitation
• Various auroral forms and hemispheric...