scholarly journals Biochemical Evaluation of Garden-Strawberry Berries When Using Foliar Top-Dressing

2021 ◽  
Author(s):  
Natalia Mistratova ◽  
Elena Savinich ◽  
Anna Samarokova

This study examined the use of foliar treatment with solutions of macro- and microelements when growing garden strawberries of the varieties Elista, Pervoklassnitsa, Zephyr, and Solnechnaya Polyanka in the conditions of the Krasnoyarsk forest. The agrochemical background of the soil when planting garden strawberry bushes in the open ground indicated its high fertility in terms of a set of indicators. At the same time, there was a shortage of micronutrient elements in the soil at the experimental site: Cd (0.2 mg/kg), Cu (0.5 mg/kg), Zn (1.3 mg/kg), Co (0.6 mg/kg) and Cr (0.3 mg/kg). Availability of manganese (65.4 mg/kg) and lead (2.0 mg/kg) was average. The Elista variety was distinguished in the control version of the experiment in the accumulation of copper in the berries (0.9 mg/kg). After foliar treatments with Cu 1% + 8 microelements, the highest Cu content was observed in the berries of the Solnechnaya Polyanka (1.1 mg/kg) and Pervoklassnitsa (1.0 mg/kg) varieties. The Zephyr variety had the lowest copper content in its berries: 0.4 mg/kg. The control variant of the Zephyr variety was distinguished in its iron content (4.6 m/ kg). After foliar treatments with Fe 2% + 8 micronutrient elements, the maximum amount of iron in the berries was recorded in the Solnechnaya Polyanka variety: 4.4 mg/kg. The Elista and Zephyr varieties had a rich biochemical composition without treatment with micronutrient elements. The Pervoklassnitsa and Solnechnaya Polyanka varieties were responsive to foliar feeding with micronutrient elements. Keywords: Strawberries, non-root top-dressing, biochemical composition of berries

Author(s):  
Olga S. Bezuglova ◽  
Artem E. Popov ◽  
Marina N. Dubinina ◽  
Pavel N. Skripnikov

The work deals with the study of the influence of humic preparation ‟BIO-Don” on indicators of soil fertility, the enzymatic activity of Сalcic Chernozem (Pachic) at the experimental site, as well as on the productivity and quality of fruit crops, for example, cherries varieties Talisman and Vasilisa in terms of work experience in the open ground in the territory of «Agrofirm “the Red garden”». Treatment of fruit trees was carried out once by drip irrigation in a dosage of 300 l/ha of working solution with a concentration of gp 0.008 g/l for carbon, soil samples were taken before treatment, two weeks and a month after the application of the humic preparation, a site without the use of “BIO-Don” was used as a control option. The treatment of plants with a humic preparation increases the activity of the enzymes catalase, invertase and phosphatase, especially during the period of mass ripening of fruits. Accordingly, at the same time, the content of mobile phosphorus and exchangeable potassium decreases, which is due to the increased removal of these elements by plants. Chemical analysis of fruit products for the content of soluble solids and titrated acidity revealed a statistically significant increase in these indicators in fruits from areas treated with humic preparation, which is manifested by their greater taste saturation.


Materials ◽  
2019 ◽  
Vol 12 (17) ◽  
pp. 2670
Author(s):  
Alexander Glezer ◽  
Nikolay Sitnikov ◽  
Roman Sundeev ◽  
Alexander Shelyakov ◽  
Irina Khabibullina

In recent years, the methods of severe plastic deformation and rapid melt quenching have proven to be an effective tool for the formation of the unique properties of materials. The effect of high-pressure torsion (HPT) on the structure of the amorphous alloys of the quasi-binary TiNi–TiCu system with a copper content of more than 30 at.% produced by melt spinning technique has been analyzed using the methods of scanning electron microscopy, X-ray diffraction analysis, and differential scanning calorimetry (DSC). The structure examinations have shown that the HPT of the alloys with a Cu content ranging from 30 to 40 at.% leads to nanocrystallization from the amorphous state. An increase in the degree of deformation leads to a substantial change in the character of the crystallization reflected by the DSC curves of the alloys under study. The alloys containing less than 34 at.% Cu exhibit crystallization peak splitting, whereas the alloys containing more than 34 at.% Cu exhibit a third peak at lower temperatures. The latter effect suggests the formation of regions of possible low-temperature crystallization. It has been established that the HPT causes a significant decrease in the thermal effect of crystallization upon heating of the alloys with a high copper content relative to that of the initial amorphous melt quenched state.


2020 ◽  
Vol 18 (4) ◽  
pp. 55-63
Author(s):  
E.A. Kondratenko ◽  
◽  
A.A. Pinchenkova ◽  
E.N. Blagorodova ◽  
E.A. Krasnoselova ◽  
...  

The purpose of the study is to study varieties of vegetable pepper of domestic selection: Big change (standard), Orange bull, Snow leopard, yellow Cockatoo and sweet Tooth for a number of economically valuable characteristics. Varietal differences in the biochemical composition of fruits, the timing of crop formation, and productivity were established. Fruits with red and yellow color are in high demand among the population, which is consistent with their richer biochemical composition. The yield of pepper in the conditions of film greenhouses showed a variation in varieties and hybrids in the range of 5.8-7.0 kg / m2 with an average fruit weight of 140-250 g. The varieties belonged to the group of early and medium - ripened varieties, which determines their feasibility for growing both in the open ground and in film greenhouses. The construction of storage facilities with CSG will facilitate import substitution of vegetable products and provide the population with fortified products throughout the year.


2005 ◽  
Vol 50 (2) ◽  
pp. 101-105
Author(s):  
Vukasin Bjelic ◽  
Djordje Moravcevic ◽  
Damir Beatovic

Tomato investigations were carried out under greenhouse and field conditions. The aim was to determine the extent to which greenhouse conditions influence the chemical composition of tomato fruits. Plants grown under field conditions were used as the control. Tomato trials were performed during different periods. Greenhouse trials were carried out in the winter and the spring period (January-June), and field trials in the spring and the summer period (May-September). Zinc (Zn), iron (Fe) and copper (Cu) content was established in ripe tomato fruits. Greenhouse conditions were found to effect zinc and iron content in tomato, whereas copper content was unaltered.


2014 ◽  
Vol 782 ◽  
pp. 239-242
Author(s):  
Lucia Hrabčáková ◽  
Jaroslav Duška ◽  
Alica Mašlejová

Structural steel grades S235JRCCu+N and S355JRCCu+N with 0.25 – 0.35% copper content are intended for products with increased corrosion resistance. They are used for railcar and container bodies. The low copper alloying strongly increases the material life-time in the conditions of atmospheric corrosion. Sheets with fine sharp needle-type bodies on both sheet surfaces were delivered for the analysis. As per the customer information, they were present on almost whole length of on cast strips. Considering the steel copper content, it was assumed that the improper steel alloying was the reason of imperfection. Chemical composition results didn’t confirm this expectation. Metallographic analysis should determine the imperfection origin and decide if copper presence was the primary factor of it. The analyses using SEM coupled with EDS analyzer have shown that the sliver-type defects, few millimeters long bands of ductile iron oxides, were present in very small material depth of about 50 – 150 μm in the analyzed material The bands were formed in more layers parallel to the sheet surface; their thickness was similar to the thickness of surface scales. Oxidic material under the sliver had the same micro-morphology and chemical composition like the scales on the sheet surface. Very fine globular copper particles were randomly and very sporadically present in the layer of ductile oxides in slivers and also in surface scale. Besides this, the material in defect area was chemically homogeneous and no particles were found in the layer boundaries. Copper particles were not detected in the steel basic material; the copper was dissolved in the matrix. The nature of imperfection was typical for V-shaped slivers, caused by overheating sheet surface in reheat furnace. After revising technical conditions of reheat furnace operation, this imperfection type was suppressed.


1983 ◽  
Vol 100 (2) ◽  
pp. 505-507 ◽  
Author(s):  
J. A. Woolliams ◽  
G. Wiener ◽  
N. F. Suttle ◽  
A. C. Field

Little reliable information is available on the range and variability of the copper content of the wool of sheep (Underwood, 1977), although the effect of Cu deficiency on keratinization and pigmentation of wool is well known (Ryder & Stephenson, 1968) and the Cu content of hair has been suggested as a possible aid in diagnosis of hypocuprosis. Results from Kellaway, Sitorus & Leibholz (1978) showed that, in cattle, Cu in hair and plasma decreased in animals when the concentration of Cu in the liver fell below 20 mg/kg D.M. An experiment carried out jointly by the Animal Breeding Research Organisation and the Animal Diseases Research Association to investigate breed differences in the long-term accumulation of Cu in sheep gave an opportunity to investigate both the range of Cu concentrations in wool and the relationship between the Cu content of the liver and wool Cu.


2017 ◽  
Vol 24 (07) ◽  
pp. 1750103 ◽  
Author(s):  
SHUYONG TAN ◽  
XIAOHUI LIU ◽  
XUHAI ZHANG ◽  
FENG FANG ◽  
ZHANGZHONG WANG

RF magnetron-sputtered CrCuN coatings with ultra-low Cu content (0.53–2.1 at.%) were deposited using Cr[Formula: see text]Cu3 target (at.%) by changing the substrate negative bias from 0[Formula: see text]V to [Formula: see text]200[Formula: see text]V. The CrNiN coatings with different nickel contents (0, 2.92 and 8.79 at.%) were sputtered by different-component Cr–Ni alloy targets (Cr, Cr[Formula: see text]Ni5 and Cr[Formula: see text]Ni[Formula: see text], in at.%). The effect of bias and alloying element content on coating toughness was investigated by nanoindentation. The results show that all the coatings have unsatisfied toughness because of [Formula: see text]/[Formula: see text]. With increasing bias, the toughness of CrN and CrCuN coatings improves basically due to grain refinement caused by high bias effect. Under the same bias, although CrCuN coatings have finer grains, their toughness is still lower than that of CrN coatings because of inadequate copper coverage degree as a result of ultra-low copper content. On the contrary, once there is an appropriate alloying element content of 2.92 at.% Ni, the toughness of CrNiN coatings increases with the nickel content due to relatively higher Ni coverage degree.


2014 ◽  
Vol 217-218 ◽  
pp. 91-98
Author(s):  
Mohd Shukor Salleh ◽  
Mohd Zaidi Omar ◽  
Junaidi Syarif ◽  
K.S. Alhawari ◽  
M.N. Mohammed

In this study, the effects of copper content on the microstructures and tensile properties of thixoformed Al-5Si-xCu-0.5Fe (x =1.0, 2.0 and 3.0 wt. %) were investigated. For this study, three different alloys having various amounts of copper were prepared using cooling slope casting before thixoforming. The semi-solid liquid range for the alloys were estimated using the diffrential scanning calorimetry (DSC) analysis. The samples were thixoformed at 40% liquid fraction. Some of these samples were treated with a T6 aging process. The thixoformed and thixoformed T6 samples were then characterized by optical microscopy, scanning electron microscope (SEM) and energy dispersive X-ray (EDX) as well as tensile tests. The different phases formed in the thixoformed and thixoformed T6 samples were throughly investigated.The results indicate that as copper content increases, the tensile strength also increases, which might due to precipitation hardening. The thixoformed T6 alloys attained an ultimate tensile strength (UTS) as high as 303 MPa when Cu content is 3 wt%.


Agropedology ◽  
2019 ◽  
Vol 27 (1) ◽  
Author(s):  
M. Chandrakala ◽  
◽  
Srinivasa Murthy ◽  
C. A. Sanjeev Kumar ◽  
◽  
...  

The influence of graded levels of phosphorus at different fertility gradient on soil properties was studied at Zonal Agricultural Research Station (ZARS), GKVK, UAS, Bengaluru under finger millet-maize cropping system. Five phosphorus fertility gradients viz., P0 (Very low), P1 (Low), P2 (Medium), P3 (High) and P4 (Very high) (< 15, 16-30, 31-45, 46-60 and > 60 kg P2O5 ha-1) were imposed. Results indicated that, availability of N, P, K, S, Mg, Mn, Cu content was higher in very high fertility strip, whereas the exchangeable Ca, DTPA-Fe and Zn were significantly higher in medium P fertility gradient strip. Combined application of manures and fertilizers resulted in relatively higher availability of nutrients as compared to inorganics alone. Further, there was a build-up of P in gradient strips with graded levels of P application.


Author(s):  
M. Park ◽  
S.J. Krause ◽  
S.R. Wilson

In modern integrated circuits, a barrier layer of Ti-W is commonly used to reduce interdiffusion between Al-alloy interconnects and the Si substrate for multilevel metallization. Deterioration of the metallization layers may occur by the interaction of the Al-alloy film with the Ti-W sublayer during post-metallization thermal processing, resulting in the formation of aluminide reaction compounds, such as Al12W and Al5W. The reaction morphologies of the Al film with other transition metals, such as Ti4 and Hf5, have been studied. The morphologies of the compounds are planar for Al3Ti and spiked for Al3Hf, respectively. When Cu solute is added to Al, it has a significant effect on the growth and morphology of these reaction compounds. Although Al-Cu/Ti-W films are now extensively used for multilevel metallization, the effect of Cu content on the reaction growth and morphology of the compound has not been studied in detail. In this work, we report on the effect of Cu content on the reaction between the Al-Cu layer and Ti-W barrier layer, and the resulting morphology.


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