中国核桃的历史渊源、文化及发展.

As one of the world-famous "four dry fruits", Walnut is the homology of medicine and food with high nutritional and medicinal value, which also offers human wood and the living environment. With extensive research on the archaeology of environment and plants, more and more walnut remains were excavated in archaeological sites and strata, providing us with first-hand material to learn the origin and long history of walnut. China is one of the origins of walnut, which can be shown in the discovery of walnut leaves, nut fossils, pollen and charred or non-charred remains. According to ancient codes and records about walnut utilization, China has a long history of walnut cultivation. Our smart and diligent predecessors accumulated rich experience of walnut utilization and created a splendid walnut culture. A further exploration of walnut history and culture has great practical significance to the development of walnut industry, income growth of farmers and the construction of beautiful new countryside in China. [ABSTRACT FROM AUTHOR]