Abstract
BackgroundNanotechnology introduces smart agricultural products which may be a milestone in solving many common economic and ecological issues. Nano-fertilizers show unique characters which do not exist in their conventional counterparts.This work aimed to determine the effects of three foliar spraying of nano micronutrient fertilizers iron, manganese, and zinc as well as the controlon the vegetative growth, productivity, physical quality, and pod nutritional value of two snap bean cultivars Bronco and Flantino and also their interactions.ResultsFlantino cultivar recorded the highest values of vegetative growth, fresh pod yield, pod physical quality (length, diameter, and fresh weight), dry weight, and pod nutritional value content expressed as P, K, Zn, Mn, Fe, Cu, crude protein, total soluble solids, and fiber.ConclusionFoliar application of zinc nano-fertilizer increased the studied characteristics significantly compared with other nano micronutrients. Also, the combined effect of Flantino cultivar with zinc nano-fertilizer treatment recorded the highest values of vegetative growth, fresh pod yield, pods physical quality and nutritional value.
Highlights
Nanotechnology introduces smart agricultural products which may be a milestone in solving many common economic and ecological issues
The current study aimed to evaluate the effect of nano micronutrients fertilizer on the growth,productivity, physical quality, and pod nutritional value of two snap bean cultivars in sandy soils
Vegetative growth enhancement may be due to the role of nano micronutrient stimulatory effects on the production of chlorophyll, photosynthesis, mitochondrial respiration, and hormone biosynthesis, e.g. ethylene, gibberellic acid, and jasmonic acid (Hänsch and Mendel 2009).The positive effects of foliar spraying of zinc nano-fertilizer on vegetative growth parameters come along with results reported by Tarafdar et al (2014) on pearl millet and Nahla et al (2017) on snap bean plants.the combined effects of Flantino cultivar with the foliar application of zinc nanofertilizer may be basically due to the increase in the chlorophyll content (Table 3)
Summary
Nanotechnology introduces smart agricultural products which may be a milestone in solving many common economic and ecological issues. Nano-fertilizers show unique characters which do not exist in their conventional counterparts.This work aimed to determine the effects of three foliar spraying of nano micronutrient fertilizers iron, manganese, and zinc as well as the controlon the vegetative growth, productivity, physical quality, and pod nutritional value of two snap bean cultivars Bronco and Flantino and their interactions. The increase in crop productivity depends largely on the type of fertilizer used to supplement the essential nutrients of plants. Growing snap bean plants in newly reclaimed sandy soils faces many problems such as low soil organic matter content, unreliable rainfall, and soil. The use of conventional fertilizers, whether chemical or organic, may result in some problems; large applied quantities cause soil and ground water pollution, deficiency of micronutrients, and soil degradation, leading to low product quality (Meena et al 2017). The continuous progress of fertilization technology introduces the nano-fertilizers
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