Response of winter oilseed rape to differentiated foliar fertilisation

Piotr Żarczyński,Sławomir Józef Krzebietke,Stanisław Sienkiewicz,Jadwiga Wierzbowska

doi:10.23986/afsci.101280

Piotr Żarczyński, Sławomir Józef Krzebietke + Show 2 more

Open Access

https://doi.org/10.23986/afsci.101280

Copy DOI

Abstract

This article presents results of a three-year field experiment laid out on medium textured soil, in north-eastern Poland. Winter oilseed rape was sprayed with foliar fertilisers AgravitaActive 48 (AA48) - NPK 8:8.7:16.6 and AgravitaActive70 (AA70) - NPK 10:22.7:6.6 at different phases of the crop’s vegetative growth (BBCH 14, BBCH 35). The impact of the fertilisers on the yield of seeds, straw, total protein, crude fat, and on the content of macro- and micronutrients in aerial parts (BBCH 20 and 89) and roots (BBCH 20) of oilseed rape was evaluated. Foliar nutrition of oilseed rape plants with AA48 and AA70 significantly increased the seed yield of oilseed rape. The best yield-stimulating effect was achieved after the application of AA48 in autumn. Fertilisation of oilseed rape in that season of the year caused an increase in seed yield by 430 kg ha-1. Each fertiliser contributed to a rise in the yield of protein and yield of crude fat but had no effect on the content of magnesium, copper, and zinc in seeds.

Highlights

Winter oilseed rape belongs to the crops of high economic importance
The aim of this study was to evaluate the influence of foliar fertilisation with Agravita Active 48 (AA48) - NPK 8:8.7:16.6 and Agravita Active 70 (AA70) - NPK 10:22.7:6.6 on yields and quality of yields produced by winter oilseed rape, and on the content of selected macro- and micronutrients at two development phases
Foliar fertilisation with AA48 or AA70 significantly modified the yield of seeds, straw, total protein and crude fat of winter oilseed rape, regardless of research years (Table 3)

Summary

Introduction

Winter oilseed rape belongs to the crops of high economic importance. The constantly growing demand for oilseed rape seeds in Europe and globally mainly follows from its use for animal and human consumption and for production of biofuels (Rondanini et al 2012, Budzyński et al 2015, Kowalska et al 2020). Winter oilseed rape is a crop that requires very careful, energy-demanding cultivation, in addition to which it is a very sensitive plant to unfavourable moisture and thermal conditions (Jankowski et al 2014). These characteristics of the plant substantiate the search for reducing the risks during its cultivation as well as the costs it incurs. This is especially advisable in the case of young or weak plants exposed to unfavourable environmental factors in the different developmental stages (Colnenne et al 2002, Szczepaniak et al 2015)

Objectives

Methods

Results

Conclusion