Ilggadīgā lauka izmēģinājuma “Sidrabiņi” pētījuma rezultātu datu bāzes (1981.–2018.) analīze un izvērtējums

Daumanis, A., Latvia Univ. of Life Sciences and Technologies, Jelgava . Faculty of Agriculture;Latvia Univ. of Life Sciences and Technologies, Skriveri, Skriveri Municipality . Research Inst. of Agronomy; Vigovskis, J., Latvia Univ. of Life Sciences and Technologies, Skriveri, Skriveri Municipality . Research Inst. of Agronomy; Svarta, A., Latvia Univ. of Life Sciences and Technologies, Skriveri, Skriveri Municipality . Research Inst. of Agronomy; Zarina, L., Latvia Univ. of Life Sciences and Technologies, Jelgava . Faculty of Agriculture; Vircava, I., Latvia Univ. of Life Sciences and Technologies, Jelgava . Faculty of Agriculture

Analysis and evaluation of the long-term field trial “Sidrabiņi” (1981–2018) results’ database [soil, soil liming, NPK fertilizers, soil pH] | Ilggadīgā lauka izmēģinājuma “Sidrabiņi” pētījuma rezultātu datu bāzes (1981.–2018.) analīze un izvērtējums

2019

Daumanis, A., Latvia Univ. of Life Sciences and Technologies, Jelgava (Latvia). Faculty of Agriculture;Latvia Univ. of Life Sciences and Technologies, Skriveri, Skriveri Municipality (Latvia). Research Inst. of Agronomy | Vigovskis, J., Latvia Univ. of Life Sciences and Technologies, Skriveri, Skriveri Municipality (Latvia). Research Inst. of Agronomy | Svarta, A., Latvia Univ. of Life Sciences and Technologies, Skriveri, Skriveri Municipality (Latvia). Research Inst. of Agronomy | Zarina, L., Latvia Univ. of Life Sciences and Technologies, Jelgava (Latvia). Faculty of Agriculture | Vircava, I., Latvia Univ. of Life Sciences and Technologies, Jelgava (Latvia). Faculty of Agriculture

The study was carried out in a long-term experimental field “Sidrabiņi” where liming and fertilizer usage has been studied since 1982. Field experiment includes 4 plots with different fertilizer and liming rates, which are split in 16 smaller plots, where each plot is unique. Totally, four liming rates 0, 2.85, 5.70 and 11.40 t haE−1 CaCO3 and four rates of mineral fertilizers were used: without fertilizer, N45P30K45, N90P60K90 and N135P90K135 were applied annually. Primary liming was done in 1981 using oil shale ash with neutralizing value 80%, the maintenance liming was performed in 1994 (dolomite flour 97.0%) and in 2014 (limestone flour 97.6%). Soil acidity is one of the most important parameters of soil degradation. Soil pH (soil reaction) affects all stages of plant growth. Besides, soil pH is one of the parameters studied in field experiment. Aim of this study was to evaluate obtained data of soil pH changes from long-term field experiments data base.

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Mots clés AGROVOC

abonos npk analyse de sol application rates augmentation de rendement aumento del rendimiento bases de datos calcium carbonate carbonate de calcium carbonato de calcio carence du sol chaulage crecimiento croissance crop yield data analysis databases deficiencias del suelo dose d'application encalado engrais npk field experimentation growth latvia letonia lettonie liming loam soils npk fertilizers ph del suelo ph du sol rendement des cultures rendimiento de cultivos soil analysis soil deficiencies soil ph sol sablolimoneux suelo franco yield increases

Informations bibliographiques

Editeur

Latvijas Lauksaimniecības universitāte

Pagination

p. 9−12

D'autres materias

Banque de donnees; Analisis de datos; Analyse de donnees; Experimentacion en campo; Dosis de aplicacion; Experimentation au champ; Analisis del suelo

Langue

letton

Note

Summary (En)

1 table, 1 fig., 2 ref.

ISBN

978-9984-48-330-6

Type

Conference; Am

Source

[Harvest Festival “Vecauce − 2019ˮ. Looking Forward to the International Science Score. A collection of articles of scientific workshop], Gaile, Z.Silina, D..- [Jelgava] (Latvia): Latvijas Lauksaimniecības universitāte, [2019]. Zinātniskais seminārs: Ražas svētki “Vecauce − 2019ˮ. Gaidot starptautisko zinātnes vērtējumu, 15, Vecauce, Vecauces pagasts, Auces novads (Latvia), 7 Nov 2019.- 978-9984-48-330-6.- p. 9−12

Conférence

Zinātniskais seminārs: Ražas svētki “Vecauce − 2019ˮ. Gaidot starptautisko zinātnes vērtējumu, 15, Vecauce, Vecauces pagasts, Auces novads (Latvia), 7 Nov 2019

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Liens

https://llufb.llu.lv/conference/LLU-Vecauce/2019/LLU_Razas_svetki_Vecauce_2019-9-12.pdf https://llufb.llu.lv/conference/LLU-Vecauce/2019/LLU_Razas_svetki_Vecauce_2019.pdf

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