Physical properties of an Orthic Black Chernozem after 5 years of liquid and solid pig manure application to annual and perennial crops

Author:

Adesanya Theresa12,Akinremi Olalekan12,Zvomuya Francis12

Affiliation:

1. Department of Soil Science, University of Manitoba, Winnipeg, MB R3T 2N2, Canada

2. Department of Soil Science, University of Manitoba, Winnipeg, MB R3T 2N2, Canada.

Abstract

Pig (Sus scrofa) manure is added to the soil to supply nutrients and improve soil properties. To our knowledge, no direct comparison has been made on the effect of liquid pig manure (LPM) and solid pig manure (SPM) on the physical properties of a prairie soil. This study was established in 2009 at the University of Manitoba’s Ian Morrison Research Station in Carman, Manitoba. The treatment design was a split-plot structure with cropping system as the main plot and manure treatments as subplots. Five years after the study was initiated, soil samples were collected from the 0–10 cm and 10–20 cm depth intervals for determination of bulk density, saturated hydraulic conductivity (Ksat), and water retention at field capacity and permanent wilting point (PWP). For wet aggregate stability, samples were collected from the 0–5 cm layer. Land application of SPM significantly decreased bulk density by 14%, significantly increased Ksatby 110% in the 0–10 cm layer, and resulted in a 30% increase in wet aggregate stability (P < 0.05). In perennial plots, SPM increased water retention at field capacity, PWP, and available water in the 0–10 cm compared with annual plots. This was not the case for LPM-amended soils. We conclude that SPM has the potential as an organic amendment to improve the physical properties of the topsoil.

Publisher

Canadian Science Publishing

Subject

Soil Science

Reference53 articles.

1. Akinremi, O.O., Ige, D.V., and Bammeke, M. 2014. Downward movement of nitrate and phosphorus from liquid and solid hog manure under annual and perennial cropping systems. Report, Manitoba Rural Adaptation Council, Manitoba.

2. Effect of long-term swine-manure application on soil hydraulic properties and heavy metal behaviour

3. Aggregation and clay dispersion of an oxisol treated with swine and poultry manures

4. Influence of farmyard manure, inorganic fertilizers and weed control practices on some soil physical properties in a long-term experiment

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