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Review Article: Iron, Zinc and Boron in Sunflower
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There is a real problem when adding micro elements to the soil as a result of fixation, sedimentation, washing or toxicity, and thus economic loss. The plant needs micro elements in very small quantities that do not burn the leaves or cause poisoning to plants, including iron, zinc and boron, as they are essential elements for growth and completing the plant's life cycle, and increase the plant's resistance to diseases and insects, activate enzymes, and form the chlorophyll molecule, in addition to their role in oxidation and reduction processes and vital processes. The use of fertilizers with their modern technology has made the process of activating seeds or foliar nutrition a matter of interest to researchers as a complementary process to adding fertilizers through the soil. Micronutrients contribute to the manifestation of the potential energy for the growth and yield of sunflowers, including iron, zinc and boron, and their role in improving germination, seedling growth, field establishment, photosynthesis, fertility, crop production and quality, taking into account the method of adding them, whether through soil addition, foliar nutrition or pre-treatment of seeds. The seed priming technique by soaking in solutions of micronutrient elements or adding them by spraying the vegetative part of the plant is characterized by overcoming the effects of the soil on the availability and absorption of these nutrients, and they are efficient and effective methods of plant nutrition. There is a practical and knowledge gap about the low soil stock of these nutrients, and it has become clear that they can be added in a single combination by seed priming or the vegetative growth stage to bridge this gap and enhance their role in regulating the physiological and vital processes that lead to ensuring increased growth, production and quality and obtaining seeds with high vitality and vigor. It can be concluded that the environmental conditions for growing sunflowers in Iraq are suitable and reveal the possibility of expanding its cultivation, especially when avoiding the weakness, delay and heterogeneity of germination resulting from low seed vitality, environmental conditions accompanying crop cultivation, nutritional deficiency and others through managing the mother plant.

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Publication Date
Thu Apr 06 2023
Journal Name
Materials Science Forum
Study of the Effect of Ce <sup>3+</sup> on the Gas Sensitivity and Magnetic Properties of Cu<sub>x</sub>Ce<sub>0.3-X</sub>Ni<sub>0.7</sub>Fe<sub>2</sub>O<sub>4</sub> Ferrite Nanoparticles
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This study includes the preparation of the ferrite nanoparticles CuxCe0.3-XNi0.7Fe2O4 (where: x = 0, 0.05, 0.1, 0.15, 0.2, 0.25, 0.3) using the sol-gel (auto combustion) method, and citric acid was used as a fuel for combustion. The results of the tests conducted by X-ray diffraction (XRD), emitting-field scanning electron microscopy (FE-SEM), energy-dispersive X-ray analyzer (EDX), and Vibration Sample Magnetic Device (VSM) showed that the compound has a face-centered cubic structure, and the lattice constant is increased with increasing Cu ion. On the other hand, the compound has apparent porosity and spherical particles, and t

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Publication Date
Wed Oct 20 2021
Journal Name
Ibn Al-haitham Journal For Pure And Applied Sciences
Some Games with Soft -á¶…-Pre-Generalized Open Sets
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    In this paper, the concept of soft closed groups is presented using the soft ideal pre-generalized open and soft pre-open, which are -á¶…- - -closed sets " -closed", Which illustrating several characteristics of these groups.  We also use some games and   -  Separation Axiom, such as (Æ®0, Ó¼, á¶…) that use many tables and charts to illustrate this. Also, we put some proposals to study the relationship between these games and give some examples.

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Publication Date
Sat Jan 01 2022
Journal Name
Technologies And Materials For Renewable Energy, Environment And Sustainability: Tmrees21gr
AIP Conference Proceedings 2437, 020060 (2022); https://doi.org/10.1063/5.0092690 2437, 020060© 2022 Author(s).Theoretical calculation of the electroniccurrent at N3 contact with TiO2 solar celldevices (3) (PDF) Theoretical calculation of the electronic current at N 3 contact with TiO 2 solar cell devices ARTICLES YOU MAY BE INTERESTED IN Theoretical studies of electronic transition characteristics of senstizer molecule dye N3-SnO 2 semiconductor interface AIP Conference. Available from: https://www.researchgate.net/publication/362813854_Theoretical_calculation_of_the_electronic_current_at_N_3_contact_with_TiO_2_solar_cell_devices_ARTICLES_YOU_MAY_BE_INTERESTED_IN_Theoretical_studies_of_electronic_transition_characteristics_of_senstiz [accessed May 01 2023].
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Theoretical calculation of the electronic current at N 3 contact with TiO 2 solar cell devices ARTICLES YOU MAY BE INTERESTED IN Theoretical studies of electronic transition characteristics of senstizer molecule dye N3-SnO 2 semiconductor interface AIP Conference. Available from: https://www.researchgate.net/publication/362813854_Theoretical_calculation_of_the_electronic_current_at_N_3_contact_with_TiO_2_solar_cell_devices_ARTICLES_YOU_MAY_BE_INTERESTED_IN_Theoretical_studies_of_electronic_transition_characteristics_of_senstiz [accessed May 01 2023].

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