THE INFLUENCE OF WHEAT AND MAIZE CROPS IN ROTATION AND MONOCULTURE ON SOIL PHYSIOLOGICAL COMPONENTS PUBLISHED

Maria-Daniela BUTURUGĂ, D.I SĂNDOIU, Ghe. ȘTEFANIC, Liliana BĂDULESCU, Monica Luminița BADEA danabuturuga81@gmail.com
As a living organism, zonally integrated into the environment and having specific features, the soil is in a permanent evolutionary process, both naturally and under the influence of human activity. The rotation of the crops influences the physiological components of the soil such as: the respiration potential, the cellulosolytic potential, and also the ability to lodge the atmospheric dinitrogen into the soil. The soil samples taken into study were harvested from soybean crops of a three-year rotation, corn coming from a 4-year field temporarely outside the crop rotation, and from monocultures of wheat and corn, the fertilized with N0P70 variety, from the Am horizon ( 0-20 centimeters). According to the data collected from the present study, the rotation of the crops influences the physiological elements of the soil. The highest cellulosolytic activity was registered by the soil which was cultivated with corn after wheat and the lowest one was registered to the soil cultivated with wheat after soybean. The respiration activity of the soil which was under the wheat monoculture was considerably more positive. The result of the analysis situated in the value group a. The highest quantity of atmospheric dinitrogen was lodged (fixed) in the soil under the monoculture of wheat, and the lowest one was fixed in the soil under the corn culture with rotation after the wheat.
soil, dinitrogen, cellulosolytic activity, fertilization
Soil Sciences
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