Economic-ecological features of ordinary walnut (Juglans regia L) with regard to the irrigation regime

Abstract

Georgia is recognized as one of the centers of origin of walnut culture. Its origin known since ancient times, which is confirmed but many historical-ethnographic and scientific studies. The favorable soil and climatic conditions of the mountains and the plain of Georgia provide opportunities for the spread of walnuts in most ecological zones.

Walnut culture production is exception in many countries of the world. The only exceptions are the USA and France, where walnut orchards are cultivated, cared for, harvest ted, etc. only but intensive methods. Currently, the total area of walnut orchards and the amount of harvest are determined only by intensive methods. According to FAO data of 2004, the total area of the main nut Europe (walnut, hazelnut, almond) in the world was 260000 609 hectares, and the harvest was 3681 799 tones. In terms of area and yield, almonds are the most with 143 742 hectares of cultivation and 1514 772 tons of yield. Next comes walnuts with 618,310 hectares and 143 2389 tons and hazelnuts with 508 616 hectares and 734 618 tons.