Relationship between tillage systems and resistance to penetration in the yield of corn (zea mays)
DOI:
https://doi.org/10.59741/agraria.v19iSE1.26Keywords:
corn yield, penetration resistance, tillage systemsAbstract
The study was carried out at the El Buitre ranch of the Universidad Autónoma Agraria Antonio Narro, in San Pedro, Coahuila, which is part of the Comarca Lagunera region. A randomized block design with three replications was established in a maize crop for hybrid AN447 forage, using a unit seeder calibrated for a sowing density of 105,000 plantsha-1 in order to know the influence of resistance to
penetration (PR ) in the yield in relation to the established tillage systems, the treatments were three plus the control described below: control treatment conventional tillage (LC), T1- conventional tillage in beds (LCc), T2-minimum tillage in beds (LMc), and T3-zero bed tillage (CLc). For the recording and data collection of RP, a digital-manual cone penetrometer of the FIELDS-COUT SC 900 brand from the company Spectrum Technologies was used, where measurements were made at depths of 0 - 0.20 m. The analysis of variance shows that in 0.05, 0.10 and 0.15 m there is no significant difference, while in depth of 0.20 m there is significance, therefore, for the study the data were taken in the tillage systems at 0.20m. Finding clusters of LMc and CLc with RP of 3906 and 2702 kPa and CLc, LC and LCc with 2702, 1877 and 1257 kPa. Having the best treatment for this LCc work between tillage and RP systems in addition to presenting the highest yield 68350 kgha-1 for forage.
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