Evaluación del efecto de la inoculación sobre el crecimiento foliar del frijol y su relación con la reflectancia infrarroja .
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2018-12
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Universidad EARTH
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El frijol (Phaseolus vulgaris), es una leguminosa capaz de fijar el gas nitrógeno a una forma utilizable para las plantas. La primera parte de este proyecto tiene como objetivo evaluar el efecto de asistir este proceso natural en el crecimiento foliar del frijol. El proyecto utilizó un método sistemático, con dos tratamientos que fueron inoculados y no inoculados con cinco repeticiones cada uno. El resultado que obtuvimos no tuvo una diferencia significativa al final de la novena semana, pero se observó que en la semana 4 las plantas no inoculadas tuvieron un mayor crecimiento foliar, mientras que en la semana 7 las inoculadas fueron ligeramente más grande y en la semana 9 o la medición final tomada las plantas inoculadas tuvieron una diferencia mayor con 3000 cm2 , mientras que los que no fueron inoculadas tuvieron solo 2400 cm2 de área foliar. Con esto podríamos concluir que el proyecto necesitó más tiempo, probablemente hasta la cosecha para ver el efecto principal. La segunda parte de este proyecto tuvo como objetivo observar la correlación entre el crecimiento foliar del frijol (Phaseolus vulgaris) y la reflectancia NIR (infrarrojo cercano). Utilizamos la cámara Mapir Survey 2 para medir la reflectancia durante las tres fases del crecimiento en las semanas 4, 7 y 9 después de la siembra. El resultado que obtuvimos mostró una r = 0.66465 para la zona de baja reflectancia y área foliar de zona NIR baja y r = 0.68168 para la zona de alta reflectancia alta y área foliar de zona NIR alta. Últimamente se vio que la mayoría de nutrientes como calcio y magnesio seguían el mismo patrón que la reflectancia infrarroja.
Bean (Phaseolus vulgaris), is a legume capable of fixing Nitrogen gas into usable form for plants. The first part of this project aims at evaluating the effect of assisting this natural process on the foliar growth of bean. The project used systematic method, with two treatments being inoculated and non – inoculated with five repetitions each. The result we obtained had no significant difference at the end of the 9th week but we observed that on week 4 the non-inoculated plants had higher foliar growth while in week 7 the inoculated was slightly higher and in week 9 or the final measurement taken the inoculated had bigger difference with 3000 cm2 while the noninoculated had only 2400 cm2 of leaf area. With this we could conclude that the project needed more time probably up to harvest to see the main effect. The second part of this project aimed at seeing the correlation between bean (Phaseolus vulgaris) foliar growth and NIR (Near infrared) reflectance. We used Mapir survey 2 camera to measure the reflectance during three phase of the growth on week 4, 7 and 9 after planting. The result we obtained showed a very strong positive correlation between reflectance percentage and foliar area with r = 0.66465 for low reflectance and low NIR zone leaf area and r = 0.68168 for high reflectance and high NIR zone leaf area. Finally we were able to observe that most of the nutrients like calcium and magnesium follow the same pattern as NIR reflectance.
Bean (Phaseolus vulgaris), is a legume capable of fixing Nitrogen gas into usable form for plants. The first part of this project aims at evaluating the effect of assisting this natural process on the foliar growth of bean. The project used systematic method, with two treatments being inoculated and non – inoculated with five repetitions each. The result we obtained had no significant difference at the end of the 9th week but we observed that on week 4 the non-inoculated plants had higher foliar growth while in week 7 the inoculated was slightly higher and in week 9 or the final measurement taken the inoculated had bigger difference with 3000 cm2 while the noninoculated had only 2400 cm2 of leaf area. With this we could conclude that the project needed more time probably up to harvest to see the main effect. The second part of this project aimed at seeing the correlation between bean (Phaseolus vulgaris) foliar growth and NIR (Near infrared) reflectance. We used Mapir survey 2 camera to measure the reflectance during three phase of the growth on week 4, 7 and 9 after planting. The result we obtained showed a very strong positive correlation between reflectance percentage and foliar area with r = 0.66465 for low reflectance and low NIR zone leaf area and r = 0.68168 for high reflectance and high NIR zone leaf area. Finally we were able to observe that most of the nutrients like calcium and magnesium follow the same pattern as NIR reflectance.
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PHASEOLUS VULGARIS, FRIJOL (PHASEOLUS), INOCULACION, FIJACION DEL NITROGENO, REFLETANCIA