Published in Scientific Papers. Series A. Agronomy, Vol. LXIX, Issue 1
Written by Gheorghe JIGĂU, Sergiu DOBROJAN, Galina DOBROJAN
Based on a synthetic analysis of our own and other research, the opportunity to use humic fertilization in order to stop the degradative trend characteristic of arable chernozems and regenerate the chernozem process is argued. Through the perspective of the biophysical concept of the chernozem process of pedogenesis in the present research, the regeneration of the humification process, which constitutes the essence of the chernozem process of solification, is examined based on the direct and indirect action of humic fertilizers on the functionality of the "plant-microbiome" system in the rhizosphere.It has been established that the use of humic fertilizers, as biologically and physiologically active substances, contributes to the biostimulation of the "plant-microbiome" system and the catalysis of the humification processes that occur in the rhizosphere under their interconnected action. The evaluation of the pedoregenerative efficiency based on the cellulolytic activity, the microbial biomass content, the fractional composition of humus and the agrochemical fertility indices highlighted the intensification of the cellulolytic activity in the humuso-accumulative horizon by 10-14%, the increase by 3-12% of the microbial biomass in the 0-40 cm layer, manifested in the intensification of the humification process. It was established that the regeneration of the humification process involves two distinct stages: a) primary humification (the
active biological period April-June) with the formation of "young" humic substances of easily mineralizable humic nature and b) secondary humification with the formation and stabilization of stable humic substances of humic nature. The regeneration of the humification process led to the optimization of the soil nutrient regime.
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{simplepopup popup="false" name="Citation6"}JIGAU G., DOBROJAN S., DOBROJAN G. 2026, HUMIC FERTILIZATION: SOIL REGENERATIVE CONSIDERATIONS. Scientific Papers. Series A. Agronomy, Vol. LXIX, Issue 1, ISSN 2285-5785, 56-64. {/simplepopup}