Abstract                 Volume:6  Issue-11  Year-2019          Original Research Articles

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Phosphorus, nitrogen, sulfur, boron and zinc fertilization effects   on soybean yield and quality
Inés C. Davérède*, Fernando H. Míguez, Agustina Ailín Borracci
Engineering and Agricultural Sciences College, Universidad Católica Argentina, Buenos Aires,C1107AAZ, Argentina
*Corresponding author
Abstract:

Seed protein concentration in argentine soybean has been steadily decreasing in the last decade and is causing severe losses to the soy milling industry. Thirty-one field trials were conducted in the Pampean region of Argentina during four seasons to evaluate the effect of different fertilization strategies- 1: Control without fertilization, 2: P (22 kg ha-1); 3: P+S (22 kg ha-1 P and 13 kg ha-1 S); 4: PP+SS (40 kg ha-1 P and 24 kg ha-1 S); 5: P+S + Zn (T3 + 1,25 kg ha-1 Zn); 6: P+S + foliar B ( T3 + 0,1 kg ha-1 B) and 7: P+S + foliar N (T3 + 10 kg ha-1 N) on soybean yield, seed protein concentration (PC), seed oil concentration (OC) and profat index (PF). In most site-years (58,1%), positive yield and protein responses were observed with PP+SS vs Control treatment, resulting in the largest response magnitudes compared to the rest of the treatments. Treatments with foliar N, preplant broadcast Zn and foliar B applications over T3 had no consistent effects on the studied variables. This study shows that proper fertilization strategies can increase soybean yield and seed quality.

Keywords: Glycine max,Oil,Profat,Protein
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How to cite this article:

Davérède, I. C., Míguez, F. H., Borracci, A. A., 2019. Phosphorus, nitrogen, sulfur, boron and zinc fertilization effects on soybean yield and quality.Int.J.Curr.Res.Biosci.Plantbiol. 6(11): 9-21. doi: https://doi.org/10.20546/ijcrbp.2019.611.002