Evaluación de la fertilización foliar orgánica de mantenimiento en la mezcla forrajera en la estación experimental Tunshi.

Abstract

Maintenance organic foliar fertilization in alfalfa (Medicago sativa) forage mixture, ryegrass ((Lolium perenne), blue grass (Dactylis Glomerata), and white clover (Trifolium repens) was evaluated applying different organic foliar fertilizers (liquid humus, compost tea, and biol). Three treatments were replicated four times in a completely randomized block and compared to a control treatment in a total of 16 plots of 22.5 m wide and 44 m long (990 m2) with a total surface of 15,840 m2. The variables were subjected to a variance analysis, and Tukey’s procedure was used for mean separation. In the forage mixture of Medicago sativa, Lolium perenne, Dactylis Glomerata, Trifolium repens, the following treatments were used: T0: Control; T1: Liquid Humus; T2: compost tea; T3: biol. Regarding the bromatological analysis, a higher content of crude protein was obtained with T2 (24.30%) and T1 (23.29%). In the phenological response, T1 showed the best results in grass height (81.75 cm), legume height (81. 25 cm), and basal and aerial cover (82.0%) and (45%), respectively. T1 obtained the best results in green forage production (15.01 Tn/ha) and dried matter production (3.48 Tn/ha). It is concluded that the best treatment was liquid humus with a green forage production of 15.01 Tn/ha, and the cost benefit ratio was $1.31. It is recommended to carry out further research on liquid humus and compost tea to observe whether cutting time increases or decreases.