Forage quality by animal fertilizer applications and by different grassland management

摘要

A long-term small-plot trial was established in 2004 on grassland sites in the Rapotin locality. Treatments are applications of three fertilizers levels (no fertilization and cattle fertilizers) with three levels of intensity of cutting (2, 3 and 4 cuts per year). Three levels of fertilization correspond with stocking rate of 0.9, 1.4, and 2 LU ha~(-1) (LU = livestock unit). Results obtained during two years of monitoring are reported. The chemical composition of the forage was evaluated on the basisof Czech state standard and in-vitro organic matter digestibility (OMD) is also reported. The concentration of crude protein (94-170 g kg~(-1) DM) and the organic matter digestibility (61-72%) of the fodder were higher in treatments with higher intensity of cutting, with a significant decrease of concentration of crude fibre (310-230 g kg~(-1) DM). The concentration of crude protein was also monitored.