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Mineral nitrogen in soil and spring barley yield

Lipenite, A., Latvia Univ. of Agriculture, Jelgava (Latvia). Faculty of Agriculture ; Karklins, A., Latvia Univ. of Agriculture, Jelgava (Latvia). Faculty of Agriculture ; Ruza, A., Latvia Univ. of Agriculture, Jelgava (Latvia). Faculty of Agriculture

Harmonious Agriculture, 2016 (3/2016), p.72-77

Jelgava (Latvia): Latvijas Lauksaimniecības universitāte

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Título:
Mineral nitrogen in soil and spring barley yield
Autor: Lipenite, A., Latvia Univ. of Agriculture, Jelgava (Latvia). Faculty of Agriculture ; Karklins, A., Latvia Univ. of Agriculture, Jelgava (Latvia). Faculty of Agriculture ; Ruza, A., Latvia Univ. of Agriculture, Jelgava (Latvia). Faculty of Agriculture
Assuntos: ABONOS NITROGENADOS ; AMMONIUM NITROGEN ; ANALISIS DEL SUELO ; ANALYSE DE SOL ; APPLICATION RATES ; AZOTE ; AZOTE AMMONIACAL ; CALIDAD ; CROP YIELD ; CULTIVOS DE PRIMAVERA ; CULTURE DE PRINTEMPS ; DOSE D'APPLICATION ; DOSIS DE APLICACION ; ENGRAIS AZOTE ; EXPERIMENTACION EN CAMPO ; EXPERIMENTATION AU CHAMP ; FIELD EXPERIMENTATION ; GRAIN ; GRANOS ; HORDEUM VULGARE ; LATVIA ; LETONIA ; LETTONIE ; NITROGEN ; NITROGEN FERTILIZERS ; NITROGENO ; NITROGENO AMONIACAL ; ORGANIC SOILS ; PROPIEDADES FISICO - QUIMICAS SUELO ; PROPRIETE PHYSICOCHIMIQUE DU SOL ; QUALITE ; QUALITY ; RENDEMENT DES CULTURES ; RENDIMIENTO DE CULTIVOS ; SOIL ANALYSIS ; SOIL CHEMICOPHYSICAL PROPERTIES ; SOL ORGANIQUE ; SPRING CROPS ; SUELO ORGANICO
É parte de: Harmonious Agriculture, 2016 (3/2016), p.72-77
Notas: http://llufb.llu.lv/conference/lidzsvar_lauksaim/2016/Latvia-lidzsvarota-lauksaimnieciba2016.pdf
978-9984-48-215-6
http://llufb.llu.lv/conference/lidzsvar_lauksaim/2016/Latvia-lidzsvarota-lauksaimnieciba2016-72-77.pdf
P33
F01
Descrição: Nitrogen management is of particular importance for crop cultivation. Agronomic, economic and environmental considerations are determinant factors for selection of the fertilising strategy. Field experiments were started in 2015 by combining nitrogen fertilisers with mineral nitrogen monitoring in the soil at the depth of 0–30 cm, 30–60 cm and 60–90 cm. Measurements were started on April 24, before spring barley had been sown, and finished on November 10, after the next crop – winter wheat had been sown. Two different types of soil were selected: Muckyhumus gley soil and Sod-gley soil with organic matter content at the topsoil of 450 and 27 g kgE-1, respectively. Organic soil showed significantly higher mineral nitrogen accumulation in the depth of 0–90 cm starting from the middle of May up to the end of measurements. Mucky-humus gley soil had higher soil mineral nitrogen supply power compared with Sod-gley soil; therefore the same nitrogen application rate caused barley lodging, lower grain yields and the decrease of some quality parameters. The findings of the study should be considered when choosing nitrogen fertiliser rates.
Editor: Jelgava (Latvia): Latvijas Lauksaimniecības universitāte
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Mineral nitrogen in soil and spring barley yield

Lipenite, A., Latvia Univ. of Agriculture, Jelgava (Latvia). Faculty of Agriculture ; Karklins, A., Latvia Univ. of Agriculture, Jelgava (Latvia). Faculty of Agriculture ; Ruza, A., Latvia Univ. of Agriculture, Jelgava (Latvia). Faculty of Agriculture

Jelgava (Latvia): Latvijas Lauksaimniecības universitāte

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