"This book provides a snapshot of the COVID-19 pandemic situation from the perspective of the tourism, aviation and hospitality industries. The book analyzes the challenges and possible strategies for recovery to meet the urgent needs of the industry to deal with this catastrophic health crisis....

Food security is one of the main challenges facing humanity, and increasing crop yields is critical to meet the growing global food demand. Grain production in China has remarkably improved since its founding in 1949, but the growth remains uneven across regions. The goal of this research was to...