Abstract
The aim of this study was to determine the effect of spraying the nano-boron on the concentration of certain nutrients, chlorophyll in the leaves and dry matter of plants of two faba bean cultivars. The field experiment was carried out in one of the agricultural fields of Al-Muthanna Governorate in Iraq (30°12'N, 45°21'E) during the seasons 2016/2017–2018/2019. The experiment was carried out in a dependent, split-plot system, in triplicate, where the first-order factors were cultivars (‘Aquadlegi’, ‘Aquadols’), and the second-order factor was boron fertilization (5, 10 mg·dm–3 and control object without boron fertilization). Foliar fertilization with boron at a concentration of 10 mg·dm–3 in-creased the content of nitrogen, phosphorus, boron and chlorophyll in faba bean leaves and dry matter content of plants, as compared to the control object. The chlorophyll content in faba bean leaves was significantly increased only after using a double concentration of nano-boron in the sprayed solution compared to the control object. The ‘Aquadols’ cultivar was characterized by higher content of dry matter, nitrogen and chlorophyll in the leaves than the ‘Aquadlegi’ cultivar. Depend-ing on results, we can recommend applying a twice supplementation of faba bean with nano-boron fertilizer at a concentration of 10 mg·dm–3 in a broad agricultural practice.
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Claims 4
Claim · model-written summary
A 10 mg·dm–3 boron foliar treatment increased leaf nitrogen, phosphorus, boron, chlorophyll and plant dry matter relative to untreated plants.
- Taxon
- faba bean
Vicia fabae0 - Treatment
- Foliar fertilization with boron at a concentration of 10 mg·dm–3e0
- Outcome
- content of nitrogen, phosphorus, boron and chlorophyll in faba bean leaves and dry matter content of plantse0
- Direction
- in-creasede0
- Comparator
- control objecte0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“Foliar fertilization with boron at a concentration of 10 mg·dm–3 in-creased the content of nitrogen, phosphorus, boron and chlorophyll in faba bean leaves and dry matter content of plants, as compared to the control object.”
Claim · model-written summary
Leaf chlorophyll rose significantly only with the double concentration of nano-boron spray relative to control.
- Taxon
- faba bean
Vicia fabae0 - Treatment
- double concentration of nano-borone0
- Outcome
- chlorophyll content in faba bean leavese0
- Direction
- increasede0
- Comparator
- control objecte0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“The chlorophyll content in faba bean leaves was significantly increased only after using a double concentration of nano-boron in the sprayed solution compared to the control object.”
Claim · model-written summary
Aquadols had greater dry matter, leaf nitrogen, and leaf chlorophyll than Aquadlegi.
- Taxon
- faba bean
Vicia fabat0 - Material
- Aquadolse0
- Outcome
- content of dry matter, nitrogen and chlorophyll in the leavese0
- Direction
- highere0
- Comparator
- Aquadlegie0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“The ‘Aquadols’ cultivar was characterized by higher content of dry matter, nitrogen and chlorophyll in the leaves than the ‘Aquadlegi’ cultivar.”
t0“chlorophyll content in faba bean leaves”
Claim · model-written summary
The authors recommend two applications of 10 mg·dm–3 nano-boron fertilizer in faba bean production.
- Taxon
- faba bean
Vicia fabae0 - Outcome
- applying a twice supplementation of faba bean with nano-boron fertilizer at a concentration of 10 mg·dm–3e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“we can recommend applying a twice supplementation of faba bean with nano-boron fertilizer at a concentration of 10 mg·dm–3 in a broad agricultural practice.”
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See all 23 papers →Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.