Evaluation of the efficiency of rhizobial biofertilizers in guava crop (Psidium guajava L.) using statistical quality control Rhizobial biofertilizers in guava crop

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Francisco A. Rincón-Molina
Clara I. Rincón-Molina
Luis A. Manzano-Gómez
REINER RINCON ROSALES

Keywords

Guava crop, biofertilizers, quality control, rhizobial bacteria

Resumen

Objective: Apply statistical quality control to evaluate the efficiency of biofertilizers for the sustainable development of crops of guava (Psidium guajava) in Chiapas, Mexico.


Design/methodology/approach: Physicochemical parameters were analyzed to determine soil fertility in guava crops. The structure and diversity of the bacterial community was studied by structural metagenomics. A quality control statistical analysis was applied to determine the effect of biofertilization on the growth and production of the guava plant crop.


Results: The soils were silty clay and had variations in pH and cation exchange capacity. Guava plants inoculated with PGPB rhizobial bacteria had higher growth and number of fruits. The cause-effect analysis determined that soil nutrients, plot phytotechnical management and bacterial diversity significantly influence the effectiveness of biofertilizers.


Limitations on study/implications: Atypical climatic variations in the region, deficient pest control and high genetic variability in plants influence the productivity of guava crops. It is important to explore a larger area of crops to detect more cause-effect elements.


Findings/conclusions: Experimental statistical analyzes and quality control are effective tools to determine the efficiency of biofertilizers in fruit crops.


 

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