Dealing With Cold Wave in Zaozhuang

China supply heat cool Winter Zaozhuang China December 17 2023 Liu Jilin agricultural technician farmers management fruit seedlings vegetable seedlings cold weather seedling breeding base Shandong province Costfoto NurPhoto agriculture horticulture cultivation plant nursery education agricultural training horticultural skills climate adaptation winter farming crop management agronomy greenhouse operations rural development agricultural extension farming techniques temperature control plant care agricultural innovation seasonal farming agricultural education plant propagation.