Skip to content
Journal Title Abbrev.
J. Elem.
ISSN – 1644-2296
DOI: 10.5601

Search article

Language
flag flag
Fertilisation of pea (Pisum sativum L.) with nitrogen and potassium and its effect on soil enzymatic activity

Issue: 1/2018

Recevied: Jan 15, 2017

Accepted: Jul 31, 2017

Published: October 17, 2017

Authors:

Symanowicz B., Kalembasa S., Niedbała M., Toczko M., Skwarek K.

Categories: Agricultural, Biology and microbiology

DOI: 10.5601/jelem.2017.22.1.1395

Abstract:

This study examined changes in soil enzymatic activity caused by constant nitrogen fertilisation and varied potassium fertilisation in soil abundant with available phosphorus. Pea (Pisum sativum L.) was used as the test plant. A field experiment was carried out in 2010-2012, in a field located at a greenhouse facility owned by the University of Natural Sciences and Humanities in Siedlce. The experiment was completely randomized and carried out in four replications with the following mineral fertilisation: control object, N, NK1, NK2, NK3, NK4 and NK5. Mineral fertilisation was applied in kg ha-1: N-20, K1-41.5, K2-83, K3-124, K4-166, K5-207.5. Nitrogen was applied as ammonium nitrate in early spring, potassium – as 60% potassium salt split into two doses: I (to 124 kg ha-1) – in early spring, II (above 124 kg ha-1) – after the first date of soil sampling. The soil samples were collected from the Ap horizon (0-30cm) of the rhizosphere in four times. The activity of urease decreased significantly with the increasing doses of potassium. The highest activity of dehydrogenases was found in soil fertilised with nitrogen at 20 kg ha-1 and potassium at 166 kg ha-1. Varied potassium fertilisation did not significantly affect the level of acidic or alkaline phosphatase. The biochemical index of potential soil fertility, as affected by nitrogen fertilisation, was the highest with nitrogen supplied at 20 kg ha-1 and with potassium at 166 kg ha-1.

Citation:

quote-mark
Symanowicz B., Kalembasa S.,  Niedbała M., Toczko M., Skwarek K. 2018. Fertilisation of pea (Pisum sativum L.) with nitrogen and potassium and its effect on soil enzymatic activity. J. Elem., 23(1): 57-67. DOI:  10.5601/jelem.2017.22.1.1395

Keywords:

mineral fertilisation, biochemical index, enzymatic activities

About issue:

23.1.2018
Download article
Jsite