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The Origins of Agricultural Cybernetics Cover
Open Access
|Jun 2026

Figures & Tables

Figure 1:

Evolution of Farm Output, Barley and Wheat - 1960

Figure 2:

Evolution of Farm Output, Barley and Wheat - 1960

Figure 3:

Evolution of Farm Output, Barley and Wheat - 2000

Growth Statistics (2000)

Real Farm OutputBarley (World)Wheat (World)Value (US)




StatisticVAQTAreaYieldProductionAreaYieldProductionBarleyWheat
Count23232323232323232323
Mean2.0930.922−0.5591.3010.8060.1291.3151.479−0.3900.113
Std Dev9.8342.5573.8976.7068.5772.1944.0775.40620.46115.106
Min−16.518−3.758−12.858−9.645−18.217−4.264−3.871−7.106−29.401−24.592
25%−4.608−0.764−1.742−3.496−4.114−0.965−2.126−1.398−15.608−9.670
Median0.1110.799−0.2011.2840.3070.3760.4890.646−1.025−2.479
75%10.5052.6551.6534.6616.7281.4713.9273.70413.0719.061
Max21.9726.0156.33616.67917.2923.97810.98315.39944.22145.990

Growth Statistics from 1990

Real Farm Output (US)Barley (World)Wheat (World)Value (US)(US)





StatisticVAQTAreaYieldProductionAreaYieldProductionBarleyWheatWheat
Count3333333333333333333362
Mean3.5901.322−1.3441.018−0.278−0.1121.1231.043−0.929−0.2761.473
Std Dev12.9583.0603.9876.6088.3802.3123.7565.20318.07214.40513.460
Min−26.760−4.072−12.857−9.645−18.216−4.264−4.729−7.106−29.400−27.463−27.463
25%−4.574−0.531−2.968−3.222−5.574−1.957−2.109−1.992−14.121−9.396−7.134
Median2.1141.304−1.2331.094−0.3510.2490.4880.646−2.308−2.850−0.146
75%13.3522.9060.8103.9525.6801.5593.7883.2269.9818.28510.441
Max28.2209.1506.33616.67817.2923.97710.98215.39944.22045.98945.989
DOI: https://doi.org/10.2478/rsep-2026-0008 | Journal eISSN: 2547-9385 | Journal ISSN: 2149-9276
Language: English
Page range: 71 - 97
Submitted on: Apr 26, 2026
Accepted on: May 30, 2026
Published on: Jun 30, 2026
Published by: BC Publishing
In partnership with: Paradigm Publishing Services
Publication frequency: 2 issues per year

© 2026 Georgios Prokopos, Foteini Kyriazi, Dimitrios Thomakos, published by BC Publishing
This work is licensed under the Creative Commons Attribution-NonCommercial 4.0 License.