Productive performance and production cost of forage sorghum (Sorghum bicolor L. Moench) subjected to chemical fertilization and sprinkler irrigation programs
This research was carried out in the Experimental Field of the FCA - UNA, San Lorenzo – Paraguay with the objective of evaluating the productive behavior and production cost of forage sorghum subjected to chemical fertilization and sprinkler irrigation programs. The experimental design was used in strips, with six treatments and four repetitions. The treatments consisted of: control (T1), fertilization (without irrigation, T2), CM irrigation (with fertilization, T3), FC irrigation (with fertilization, T4), CM irrigation (without fertilization, T5) and FC irrigation (without fertilization), T6). The dependent variables evaluated were: crop water balance, evolution of the plants height, Green (GM) and dry mass (DM) yield, Proportion of Leaf, Stem and Panicle, Percentage of Crude Protein in Leaf, Stem, Panicle and Whole Plant, and the Total Production Cost (TPC). The data were subjected to ANOVA and the means compared by Tuckey's test (p<0.05). The control and fertilization (without irrigation) presented negative water balances; while the other treatments were positive. MC and CC irrigation (with fertilization) promoted higher heights, yields (GM and DM) and Panicle (%); while in the Leaves (%) the control stood out and for the Stem (%) there were no differences. Regarding the tenor of the CP, the control presented higher values of the Leaf and whole plant; while in the Stem and Panicle there were no significant effects. In relation to the TPC, the application of CM and FC irrigations (with fertilization) were the most expensive, but to produce 1 kg of forage, these costs were offset by the high productivity they promoted, making it cheaper than the control.
| Main Authors: | , , , , , , |
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| Format: | Digital revista |
| Language: | spa |
| Published: |
Asociacion Latinoamericana de Produccion Animal
2022
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| Online Access: | https://ojs.alpa.uy/index.php/ojs_files/article/view/3007 |
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