Effects of over-seeding and fertilization on yield and quality of pasture
2016
Algan, D | Pak, B | Süzer, R P | Aydın, I | Olfaz, M
This research was conducted at a pasture in Ondokuz Mayis town of Samsun between 2013- 2015 (41degrees 21minutes N 36degrees 15minutes E, elevation 10 m). Main plots were the two treatments (non over-seeding and overseeding) and sub-plots were the 18 fertilization combinations. Nitrogen was applied as ammonium nitrate with rates of 0, 6 and 12 kg N da-1. Phosphorus was applied as triple superphosphate with rates of 0, 6 and 12 kg P da-1. Potassium was applied as potassium sulphate with rates of 0 and 8 kg K da-1. Alfalfa (Medicago sativa L.), white clover (Trifolium repens L.), cocks foot (Dactylis glomerata L.), wheatgrass (Agropyron intermedium (Host.) Beauv.) and perennial ryegrass (Lolium perenne L.) seeds were used for over-seeding in the experiment. Dry matter production in rangeland can be increased with fertilization and over-seeding. In the study, N fertilization stimulated the growth of grasses, P and K fertilizations promoted the growth of legumes. The concentration of Mg and Ca in forages were stimulated with P and K fertilization, but they were decreased with N fertilization
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Эту запись предоставил Instituto Agronómico Mediterráneo de Zaragoza