The efficiency of using synthesized fertilizers via foliar feeding and drip irrigation in various soil and climatic zones of the Republic of Armenia

Abstract

In the current research paper, a new water-soluble combined fertilizer (WCF) is introduced, the composition of which is determined via the agrochemical composition of the soils of Armenia, and besides, its effectiveness has been further investigated. It has been established that when applying the recommended fertilizer through foliar feeding or soaking the seeds, the yield is significantly increased and its quality is improved. Under the impact of WCF, the yield increase compared to the NPK variant was as follows: for winter wheat under non-irrigated conditions – 5.1 c/ha, for tomato – 49 c/ha, for grapevine – 20 c/ha, while when using 20:20:20 the increase in yield capacity was 10.0 c/ha, 3.7 c/ha, and 8.0 c/ha, respectively.