This study was conducted during two sequential seasons 2016/2017 and 2017/2018 at Protected Agriculture Location, Agriculture Research Center, Dokki, Giza governorate, Egypt. The major goals of this study were determining the suitable planting date for strawberry cv.Festival grown under climate change impacts and improve vegetative growth, productivity and quality characteristics of strawberry cv.Festival by using environmentally friendly fertilizers as a soil amendments. The experiment was arranged in a spilt plot design, the main plots were represented by two planting dates (15 th of September and 15 th of October) and the sub plot were split by four different application levels of natural mixed mineral ore (NMO) as following 0g, 6g, 12g, 18g and 24g which added as a soil amendments in pots culture under open field conditions. Results showed that under different planting dates, 15 th of October gave the highest values of vegetative parameters, total and early yield per plant, average fruit weight, TSS and vitamin C and NPK% contents in leaves than 15 th of September during the two successive seasons. Increasing the level of natural mixed mineral ore (NMO) up to 24g enhanced vegetative parameters, total and early yield per plant, average fruit weight, TSS and vitamin C. Leaves mineral content showed that increase (NMO) level led to increase nutrient percentage for PK contents in strawberry leaves in comparison with control treatment. The highest vegetative growth, yield and fruit quality were obtained from the 15 th of October combined with 24g of (NMO).
Novel azodye ligands 2-Amino-3-(4-chloro phenylazo )-7-(4-fluorophenyl)-5-(thiophen-2-yl)-6,7-dihydropyrazolo (1,5-a) pyrimidine ( L 1 ) and 2-Amino-3-(4-chlorophenylazo )-5,7-Di(thiophen-2-yl)-6,7-dihydropyrazolo(1,5-a) pyrimidine ( L 2 ) and their complexes with Fe (III) , Co (II), Ni (II) and Cu (II) have been synthesized. The stereochemistry and the mode of bonding of the complexes were achieved based on elemental analysis , IR, UV-Vis, 1HNMR, MS and ESR spectroscopy as well as (TGA). Octahedral structure proposed for geometry of the chelates based on their electronic spectra and magnetic susceptibility. The metal complexes show no bleeding and tinting strength properties for ink synthesis.
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