Prolonged activity effects of mineral fertilizers on some morphological - biological and productive properties in rice

Andreevska, Danica and Jekic, M. and Ilieva, Verica and Andov, Dobre (2004) Prolonged activity effects of mineral fertilizers on some morphological - biological and productive properties in rice. Годишен зборник на Земјоделскиот институт - Скопје, 17-18. pp. 117-128. ISSN 1409-5297

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Abstract

The investigations were carried out in a stationary field trial by the "Cade" method on an alluvial soil, pre-crop rice. DIrect (3 years of application) and prolonged activity (1 year of application, 2 years prolonged activity) of mineral fertilizers were investigated art rice variety Monticelli. The variants in the trials were as follows: Untreated - control, I-N45P45K45. II N90P90K90, III N120P90K90 and IV - N150P90K90. The fertilizers (NPK 15:15:15 and Uras 27%) were applied pre-plant. Obtained results show that the fertilizers in the investigated variants show no significant prolonged pre plant. Obtained results show that the fertilizers in the investigated variants show no significant prolonged activity in the second and the third trial year. Namely, the number of productive tillers per m^2, average stem height and panicle length of the plants in both variant. The longest panicle oof the fertilized variants- direct activity is achieved by the plants in variant IV-18.98 sm, and of the untreated variants -prolonged activity in the variant III-18.42 sm. In the variants with a prolonged fertilizer activity no significant higher average values for the mass of 1.000 grains and hectolire mass were obtained in comparison with the values obtained from the fertilized variants - direct activity. The highest average number of grains per panicle of the fertilized variants- direct activity is achieved in the variant III - 134.72, and of the variants with prolonged fertilizer activity in the variant II - 142.14 grains.

Item Type: Article
Uncontrolled Keywords: rice, direct and prolonged fertilizer activity, morphological - biological and productivity properties
Subjects: Agricultural Sciences > Other agricultural sciences
Divisions: Faculty of Economics
Depositing User: Verica Ilieva
Date Deposited: 28 Dec 2012 09:02
Last Modified: 11 Jun 2013 11:12
URI: http://eprints.ugd.edu.mk/id/eprint/4669

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