A búza (Triticum aestivum L.) ásványi táplálása meszes csernozjom talajon. II

Translated title of the contribution: Mineral nutrition of wheat (Triticum aestivum L.) on calcareous chernozem soil. II

I. Kádár, B. Kazó, T. Bártfai, P. Zilahy

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

In a fertilisation experiment set up in autumn 1973 on calcareous loamy chernozem soil, studies were made on the effect of different N, P and K supply levels and their combinations on the development, powdery mildew infection, protein and amino acid contents of wheat, and on major soil properties. The agrochemical parameters of the ploughed layer of the soil were as follows: CaCO3 5%, humus 3%, pH(KCl) 7.3, AL-P2O5 60-80 ppm, AL-K2O 140-160 ppm, KCl-soluble Mg 150-180 ppm, KCl+EDTA Mn 100-150 ppm, Cu 3 ppm, Zn 2 ppm. The factorial experiment represented 4N×4P×4K=64 treatments in 2 replications, giving a total of 128 plots. The mineral fertiliser was applied in the form of 25% calcium ammonium nitrate, 18% superphosphate and 50% potassium chloride. The main results can be summarised as follows: The degree of infection of wheat with powdery mildew rose from 24% to 56% when N was over-supplied. As the P and K supplies improved, the degree of infection dropped by 10 and 14%, respectively. Balanced nutrition led to an improvement in powdery mildew resistance and better yields. Measurements show that at the tillering stage the toxic chloride limit tolerated by wheat is indicated by a Cl- content of around 0.2% in the shoots. As the result of N×P interactions the 4 t/ha grain yield obtained in the control rose by 35-40% and the protein yield per hectare by 60-65%. Little change was observed in the amino acids, which are largely genetically determined. Maximum yield and quality (protein and amino acid content or yield) were achieved as a function of balanced N × P supplies. The AL-solublc P2O5 content of the soil, however, should not be increased to more than 150-200 mg/kg to improve either the quantity or quality of the yield. After the wet first year the NO3-N in the N3 treatment was leached to a depth of 60 cm. According to analyses of the 1:5 aqueous extract, the leaching of the Cl- ions introduced with the potassium fertiliser could be observed even at a depth of 1 m, with concentrations an order of magnitude greater than normal in the 40-80 cm layer. The K+ and Na+, and the SO4 2- and Ca2+ from the P treatments remained in the upper 0-40 cm soil layer. The "total salt" gave a good indication of the movement of electrolytes in the soil profile. A szerzok levéleíme:.

Original languageHungarian
Pages (from-to)523-534
Number of pages12
JournalNovenytermeles
Volume48
Issue number5
Publication statusPublished - 1999

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calcareous soils
plant nutrition
Triticum aestivum
wheat
powdery mildew
amino acids
Rosa
infection
calcium ammonium nitrate
potassium fertilizers
soil
proteins
superphosphate
potassium chloride
agrochemicals
loam soils
tillering
humus
mineral fertilizers
electrolytes

ASJC Scopus subject areas

  • Agronomy and Crop Science

Cite this

A búza (Triticum aestivum L.) ásványi táplálása meszes csernozjom talajon. II. / Kádár, I.; Kazó, B.; Bártfai, T.; Zilahy, P.

In: Novenytermeles, Vol. 48, No. 5, 1999, p. 523-534.

Research output: Contribution to journalArticle

Kádár, I, Kazó, B, Bártfai, T & Zilahy, P 1999, 'A búza (Triticum aestivum L.) ásványi táplálása meszes csernozjom talajon. II', Novenytermeles, vol. 48, no. 5, pp. 523-534.
Kádár, I. ; Kazó, B. ; Bártfai, T. ; Zilahy, P. / A búza (Triticum aestivum L.) ásványi táplálása meszes csernozjom talajon. II. In: Novenytermeles. 1999 ; Vol. 48, No. 5. pp. 523-534.
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