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conferenceseries.com
11th World Congress on
March 05-07, 2018 | Paris, France
Plant Biotechnology and Agriculture
Volume 6 Advances in Crop Science and Technology
ISSN: 2329-8863 Agri World 2018
March 05-07, 2018
The law of the field crop performance (agrophytocenosis) productivity: The key to the future of agriculture
Petras Lazauskas
Aleksandras Stulginskis University, Lithuania
The worldwide conventional deep soil tillage by annual ploughing has no proved theoretical fundamentals and is based only on the
primitive sensual empirical experience. The greatest disadvantage of this method is its negative impact on the soil: its degradation,
soil carbon material mineralization, rising emissions of carbon dioxide, and climate warming. According to the geo-botany theory
the typical field crops stands are natural field plant communities (agrophytocenosis). Their cognition productivity therefore should
be evaluated from the theoretical point of view. The soil tillage and weed control can been proved by the novel law of crop and weed
communities’ performance. This law can be defined as follows: Productivity of a typical field plant community (agrophytocenosis),
including overall dry mass of crop and weeds, growing under identical conditions is relatively constant. In general, this phenomenon
can be described by the following equation: A=Y+X b, where A signifies maximum productivity of the whole dry mass of the whole
community; Y - crop dry mass yield under the existing growing conditions of the community; X - weed mass; b - yield depression
rate, indicating the degree of yield increase or decrease when weed mass changes by one unit. Based on this finding we can predict that
this novel field crop performance productivity law will theoretically and practically revolutionize the cognition of soil tillage and weed
control. Consequently, in the nearest future, the soil tillage and weed control disciplines will adopt this theoretical background and
modernize the traditional empirical basis of soil tillage technologies. New theoretical cognition will have to reject annual deep plough
and apply shallow precise soil tillage. These means will mitigate soil degradation, reduce the amount of carbon dioxide emission into
the environment, slow climate warming, and will save costs of the non-regenerative energy in agriculture.
Biography
Petras Lazauskas has graduated from the Lithuanian Academy of Agriculture. As a Scientist, he started working on the problems of weed control applying a
traditional empirical method of cognition. Subsequently, he was involved in a non-chemical weed control using theoretic geo-botanic method of cognition. He has
participated in organic farming and weed control events in Germany, France, USA, Italy, Sweden, Czech Republic, Hungary, Latvia and Russia. In 1997, he has
won a Bursary to attend the British Crop Protection Council Conference in Brighton.
Petras Lazauskas, Adv Crop Sci Tech 2018, Volume 6
DOI: 10.4172/2329-8863-C1-005