Over 1996-1998 in the RSD Lipnik in the vicinity of Stargard Szczeciński field and laboratory experiments were carried out on light soil, of IV soil valuation class, in order to evaluate the reaction of malt and fodder barley to sprinkling irrigation and fertilisation. The sprinkling irrigation and high doses of mineral fertiliser considerably increased the photosynthesis in barley leaves; CO₂ assimilation by an average of about 50% and transpiration by an average of about 30%. Similarly the irrigation and fertilisation much enhanced the activity of nitrate reductase. Higher activity of physiological processes resulted in a luxuriant growth of barley which produced higher and thicker stalks, larger leaves and ears. Fodder barley reacted to sprinkling irrigation to a greater extent than malt barley, due to higher NPK doses, and the interaction of the two agrotechnical factors was evident.

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