Analysis of the influence of environmental variables on carbon content of sugar beet crop and estimation of nitrogen content in leaves by vegetation indices

Due to the great economic significance of the sugar beet, the new production trends are aimed at improving the quantitative and qualitative properties and one of the basic agro technical measures that is directly dependent on the yield and quality of the turnip is the properly conducted plant nutrition. Exporting high quantities of nutrients from the soil, the sugar beet requires application of advanced agro-technology, primarily application of adequate and controlled nutrition and irrigation. Application of this measure, in combination with soil processing, has sustained influence over the following cultures in the crop rotation in terms of nutrients regiment and fight against weeds.In order to determine the effects of mineral fertilizers on sugar beet, field experiment was conducted on fluvisol soil. The experiment is set according to a random block system, following the standard methods of agricultural chemistry for conducting field trials. The experiment includes eight variants, as follows: 1. Control (non-fertilized), 2. NP, 3. NK, 4. PK, 5. NPK, 6. N2PK, 7. N2P2K, 8. N3PK.In the phase of technological maturity of sugar beet, collection of the vegetative material and measurement of the height of the biological yield of the turnips was carried out. Based on the survey results, it can be concluded that the variant N2P2K has achieved the highest yield of swollen roots, i.e. 69.330 kg/ha. The highest yield of leafy greens was achieved in the variant N3PK, i.e. 41.920 kg/ha, which indicates the fact that nitrogen has direct influence over the vegetation mass of sugar beet.

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Research on the sugar-beet crop.

Annals of Applied Biology ◽

10.1111/j.1744-7348.1976.tb01666.x ◽

1976 ◽

Vol 82 (1) ◽

pp. 1-10 ◽

Cited By ~ 2

Author(s):

R. HULL

Keyword(s):

Sugar Beet ◽

Sugar Beet Crop

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Estimation of Nitrogen Content in Herbaceous Plants Using Hyperspectral Vegetation Indices

Hyperspectral Indices and Image Classifications for Agriculture and Vegetation ◽

10.1201/9781315159331-8 ◽

2018 ◽

pp. 201-225

Author(s):

D. Stroppiana ◽

F. Fava ◽

M. Boschetti ◽

P. A. Brivio

Keyword(s):

Nitrogen Content ◽

Vegetation Indices ◽

Herbaceous Plants

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Water saving and yield increase of sugar beet with subsurface drip irrigation

Global NEST Journal ◽

10.30955/gnj.000217 ◽

2013 ◽

Vol 4 (2) ◽

pp. 85-91 ◽

Cited By ~ 1

Keyword(s):

Sugar Beet ◽

Drip Irrigation ◽

Sugar Content ◽

Water Saving ◽

Subsurface Drip Irrigation ◽

Water Application ◽

Yield Increase ◽

Crop Performance ◽

Subsurface Drip ◽

Sugar Beet Crop

This study was conducted to evaluate the surface and subsurface drip irrigation (SDI) application effects on sugar beet crop performance, under two levels (100% and 80%) of water application depth. The experimental design was a split plot with four replications. Laterals were set every second crop row (1 m apart), with emitters spaced 1 m apart. In the case of SDI, laterals were buried 0.45 m under the ground. Soil moisture measurements were taken up to 75 cm depth, using the TDR method. The soil water content and the yield characteristics of each treatment were recorded. Irrigation method showed to affect crop performance significantly while water application level was less critical. The experimental results indicated that the subsurface drip irrigation leaded to a greater yield and higher sugar content making significant water saving compared to surface drip irrigation.

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THE ROLE OF COTTON LEAFWORMS CONTROL WITH CERTAIN INSECTICIDES IN INCREASING SUGAR BEET CROP PRODUCTIVITY

Zagazig Journal of Agricultural Research ◽

10.21608/zjar.2019.65074 ◽

2019 ◽

Vol 46 (6) ◽

pp. 2229-2238

Author(s):

Kamal Bazazo

Keyword(s):

Sugar Beet ◽

Crop Productivity ◽

Sugar Beet Crop

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Different Growth and Sporulation Responses to Temperature Gradient among Obligate Apomictic Strains of Ulva prolifera

Plants ◽

10.3390/plants10112256 ◽

2021 ◽

Vol 10 (11) ◽

pp. 2256

Author(s):

Yoichi Sato ◽

Yutaro Kinoshita ◽

Miho Mogamiya ◽

Eri Inomata ◽

Masakazu Hoshino ◽

...

Keyword(s):

Temperature Gradient ◽

Carbon Content ◽

Nitrogen Content ◽

Environmental Conditions ◽

Genetic Stability ◽

Ulva Prolifera ◽

Market Demand ◽

Gene Sequences ◽

Site Specific

The green macroalga Ulva prolifera has a number of variants, some of which are asexual (independent from sexual variants). Although it has been harvested for food, the yield is decreasing. To meet market demand, developing elite cultivars is required. The present study investigated the genetic stability of asexual variants, genotype (hsp90 gene sequences) and phenotype variations across a temperature gradient (10–30 °C) in an apomictic population. Asexual variants were collected from six localities in Japan and were isolated as an unialgal strain. The hsp90 gene sequences of six strains were different and each strain included multiple distinct alleles, suggesting that the strains were diploid and heterozygous. The responses of growth and sporulation versus temperature differed among strains. Differences in thermosensitivity among strains could be interpreted as the result of evolution and processes of adaptation to site-specific environmental conditions. Although carbon content did not differ among strains and cultivation temperatures, nitrogen content tended to increase at higher temperatures and there were differences among strains. A wide variety of asexual variants stably reproducing clonally would be advantageous in selecting elite cultivars for long-term cultivation. Using asexual variants as available resources for elite cultivars provides potential support for increasing the productivity of U. prolifera.

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Effects of Heterogeneous Environment After Deforestation on Plant Phenotypic Plasticity of Three Shrubs Based on Leaf Traits and Biomass Allocation

Frontiers in Ecology and Evolution ◽

10.3389/fevo.2021.608663 ◽

2021 ◽

Vol 9 ◽

Author(s):

Jinniu Wang ◽

Jing Gao ◽

Yan Wu ◽

Bo Xu ◽

Fusun Shi ◽

...

Keyword(s):

Phenotypic Plasticity ◽

Carbon Content ◽

Nitrogen Content ◽

Leaf Area ◽

Biomass Allocation ◽

Principal Components ◽

Leaf Traits ◽

Adaptive Plasticity ◽

Heterogeneous Environments ◽

Heterogeneous Environment

Phenotypic plasticity among natural plant populations is a species-specific ecological phenomenon of paramount importance that depends on their life forms, development stages, as well as environmental factors. While this phenomenon is broadly understood, it has hardly been observed in nature. This study aimed at understanding phenotypic plasticity and ecological adaptability in three shrubs (Salix etosia, Rubus setchuenensis, and Hydrangea aspera) affected by potential environmental variables after deforesting in sparse Larix spp. forest and tall shrub mixed secondary forests. Soil organic carbon content, total nitrogen content, and available nitrogen content were greater outside the forests, contrary to other measured factors whose availability was higher in the forest interiors. In case of leaf traits and stoichiometric indicators, there were significant interactions of leaf area (LA), leaf dry matter (DW), specific leaf area (SLA), and leaf phosphorus content (LPC) between shrub species and heterogeneous environments (P < 0.05) but not for leaf C/N, N/P, and C/P. Principal components analysis (PCA) indicated that soil temperature, pH value, soil carbon content, soil nitrogen content, and MBC and MBN mainly constituted the first component. Summarized results indicated that TB and leaf C/P of S. etosia were significantly correlated with three principal components, but only marginal significant correlations existed between R/S and relevant components. SLA and R/S of R. setchuenensis had marginal significant relationships with independent variables. Both SLA and TB of H. aspera were significantly correlated with three principal components. Based on the pooled values of leaf functional traits and leaf stoichiometric indicators, R. setchuenensis (vining type) had better leaf traits plasticity to adapt to a heterogeneous environment. In descending order, the ranks of biomass allocation plasticity index of three shrubs were H. aspera (bunch type), R. setchuenensis (vining type), and S. etosia (erect type). The highest integrated plasticity values of leaf traits and biomass allocation was observed in H. aspera (bunch type), followed by R. setchuenensis, and by S. etosia with less adaptive plasticity in heterogeneous environments.

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Agro-economic substantiation of the feasibility of green manured fallow in sugar beet crop rotations of the Central Chernozem Region

BIO Web of Conferences ◽

10.1051/bioconf/20213202001 ◽

2021 ◽

Vol 32 ◽

pp. 02001

Author(s):

Alexander Akimenko ◽

Vyacheslav Sviridov ◽

Tatiana Dudkina

Keyword(s):

Sugar Beet ◽

Crop Rotation ◽

Crop Rotations ◽

Mineral Fertilizers ◽

Typical Chernozem ◽

Central Chernozem Region ◽

Sugar Beet Crop ◽

Absolute Decrease ◽

Central Chernozem

The aim of the study is to find out the feasibility of including green manured fallow in specialized sugar beet crop rotations by comparing necessary assessment indicators with their values in a traditional crop rotation with black fallow against the background of unequal fertilization levels. The study was based on the analysis of experimental data from a long-term stationary experiment, laid out simultaneously in all fields and variants on typical chernozem in triplicate. The results are as follows: within the same fertilization levels, no significant differences in the yield of winter wheat (sugar beet precursor) were revealed, and the yield of sugar beet in a crop rotation with green manured fallow was stably higher (no more than 5 to 7%), an increase in yield relative to the control fertilizer variant (6 tons of manure per hectare per year) against the background of a double rate of manure in combination with mineral fertilizers amounted to 21.7 to 23.4% for wheat and 14.3 to 15.6% for beets with an increase in the productivity of crop rotations (in natural and value terms) by 1.2 times, but an increase in costs by 1.3 times caused an absolute decrease in the level of profitability by 23 to 25%. Differences in the assessment indicators for specific fertilization variants increased over time due to an unequal degree of soil fertility reproduction, and therefore in the fifth cycle of the crop rotation with black fallow turned out to be 1.1 to 1.3 times greater than in the green manured rotation.

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