Carmen SIrbu, Traian Mihai Cioroianu, Ileana Cojocaru, Viorica Trandafir, Madalina Georgiana Albu<br>Fertilizers with Protein Chelated Structures with Biostimulator Role

Carmen SIrbu, Traian Mihai Cioroianu, Ileana Cojocaru, Viorica Trandafir, Madalina Georgiana Albu
Fertilizers with Protein Chelated Structures with Biostimulator Role

Abstract:

The fast evolution of the methods and fertilization technologies using the extraradicular and liquid fertilizers was possibile due to controlled application of these in terms of the phases of vegetation, crop, nutritional deficiencies, as well as to the increase of the efficiency of the indicators as fertilization costs, crop increase rate and the promotion of ecological and durable agriculture. The use of the fertilizers of extraradicular and liquid type, because of the very little quantities of the applied active substance and because of the superior degrees of use by the plants of the nutritive, allows the reduction of the fertilization degree with the classic fertilizers and the reduction of the pollution of the soil and of the ground-water table through their administration. In the last 10 years, there have been used the hydrolysate proteins, of vegetal or animal nature, in composition of the fertilizers as the chelator substances for the important microelements in the metabolism of the plants [1-5]. A priority for Romanian agriculture research is the use of the hydrolyzates of collagen from animal protein for preparation of extraradicular fertilizer compositions [6-9].In this paper are presented the agrochemicals tests results of the new fertilizers with the high concentrations of microelements and of collagen hydrolyzate, which have the biostimulator role. Keywords: fertilizers, hydrolyzate, collagen, biostimulator, chelates

Issue: 2009, Volume 60, Issue 11

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