Determination of irrigation rate for peanuts (Aracis hypogaea L.) related to climate changes
Stanislav Stamatov
, Ivko Stamatov
, Mariya Petrova
Abstract: A study was conducted to determine the influence of the change in the irrigation rate on the yield of peanuts for the conditions of Haskovo, Bulgaria. It was established that the mass of fruits and seeds in a plant increases with an increase in the irrigation rate from 280 L/m2 to 420 L/m2. For fruits, this increase is 20% for every 70 L/m2, and for seeds 15% to 21%. The increase in seed yield is insignificant and is within 0.6%. The main influence on the change in the amount of yield, formed by the mass of fruits and seeds in a plant, is the irrigation rate and, to a lesser extent, the conditions of the year expressed by the following day's temperature and precipitation during the vegetation of the crop. The yield of seeds is strongly influenced by the annual conditions and less by the combination of the factors year and irrigation rate. The growth of the masses of fruits and seeds of a plant with increasing irrigation rate, has an exponential character at a sufficiently high value of the determinant.
Keywords: climate change; irrigation rate; peanuts; regression models; yield
Citation: Stamatov, S., Stamatov, I. & Petrova, M. (2025). Determination of irrigation rate for peanuts (Aracis hypogaea L.) related to climate changes. Bulg. J. Agric. Sci., 31(4), 697–701.
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| Date published: 2025-08-27
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