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Krmiva : Review for animal feeding, production and feed technology, Vol. 50 No. 3, 2008.

Original scientific paper

INFLUENCE OF FERTILIZATION ON YIELD, CHEMICAL COMPOSITION AND NUTRITIVE VALUE OF MAIZE COB AND GRAIN

Marija Vukobratović ; Visoko gospodarsko učilište u Križevcima, Križevci, Hrvatska
Nataša Pintić-Pukec ; HSC-Središnji laboratorij za kontrolu mlijeka, Križevci, Hrvatska
Vesna Samobor ; Visoko gospodarsko učilište u Križevcima, Križevci, Hrvatska
Želimir Vukobratović ; Visoko gospodarsko učilište u Križevcima, Križevci, Hrvatska
Vinko Pintić ; Visoko gospodarsko učilište u Križevcima, Križevci, Hrvatska
Đurica Kalember ; Visoko gospodarsko učilište u Križevcima, Križevci, Hrvatska

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Abstract

In order to establish the most appropriate treatment, an analysis of the influence of various fertilization treatments on chemical compound of maize cob and grain (OSSK 444) was made on the college farm in Križevci in a three-year period (2004-2006).
The experimental trial was organized in four repetitions and in a
randomized block scheme. The size of the plot for each treatment was 70 square meters (7x10 m), and the treatments were as follows: 1 – no fertilization; 2 - N80P100K0; 3 - N80P0K100; 4 - N0P100K100; 5 - N80P100K100; 6 -N120P100K100; 7 - N120P200K200; 8 - N160P200K200; 9 - N200P200K200; 10 -N240P200K200.
The soil analysis established a mild acid reaction (pH in KCL = 5.93),
low humus content (1.99%) and medium supply level of phosphorus and potassium (135 and 157 mg/kg). The analyses of the maize grain and cob were made according to Weende. The metabolic energy (ME) and net energy for lactation (NEL) were calculated on the basis of the determined crude organic nutrients and
crude ash in maize grain and cob dry matter. The results of this research lead to the conclusion that the fertilization influences the crude protein content in maize cob (91.99 – 108.35 g/kg)
and grain (109.48 and 128.72 g/kg), while only certain fertilization
treatments influence the crude fibre content in maize cob (P<0,05).
However, fertilization does not significantly influence the average crude oil content, crude NET and the nutritive value of maize cob and grain (ME and NEL).

Keywords

maize cob; maize grain; chemical composition; nutritive value; type of fertilization

Hrčak ID:

27247

URI

https://hrcak.srce.hr/27247

Publication date:

25.7.2008.

Article data in other languages: croatian

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