scholarly journals Effect of liming on yield and quality of peppermint and Sachalin mint in fine sand soil of Northern Finland

2003 ◽  
Vol 12 (2) ◽  
pp. 107-115
Author(s):  
A. AFLATUNI ◽  
J. UUSITALO ◽  
S. EK
Keyword(s):  
Essential Oil ◽  
Soil Ph ◽  
Fine Sand ◽  
Matter Content ◽  
Plant Production ◽  
Dry Matter Content ◽  
Sand Soil ◽  
Mentha X Piperita ◽  
Yield And Quality ◽  
Mg Content

Soil acidity commonly limits plant production in the fine sand soil of Northern Finland, which often has a low pH (5.5-6.5) and contains low levels of Ca and Mg. The effect of five liming (10% Mg and 19% Ca) levels, 0, 4, 8, 12, and 16 tons ha -1 , on the herb and essential oil yield and menthol and menthone content of two mint species (peppermint, Mentha x piperita, a variety of Black Mitcham and Sachalin mint, Mentha arvensis var. sacchalinensis) cultivated in fine sand soil in Northern Finland (6440’N and 2505’E) was studied during 1998-2000. Liming clearly increased the pH levels and the Ca and Mg content of the soil. The dry matter content, essential oil quantity, and the menthol or menthone content in mints were not affected by liming. In comparison with no liming however, liming at a rate of 4 t ha -1 doubled the herb yield. The highest yield was achieved in Sachalin mint by liming at 4 or 8 t ha -1 in the second and third year (soil pH 6-6.5) (Ca 725-871 mg l -1 and Mg 122- 219 mg l -1 ), and in peppermint by liming at 4, 8 or 16 t ha -1 (soil pH 6-6.6) (Ca 725-1272 mg l -1 and Mg 122-245 mg l -1 ). Therefore, we conclude that a higher peppermint and Sachalin mint yield is achieved by increasing soil pH to values above 6.0 in the fine sand soil of Northern Finland.;

scholarly journals Use of New BTH Derivative as Supplement or Substitute of Standard Fungicidal Program in Strawberry Cultivation

Agronomy ◽  
2021 ◽  
Vol 11 (6) ◽  
pp. 1031
Author(s):  
Maciej Spychalski ◽  
Rafal Kukawka ◽  
Włodzimierz Krzesiński ◽  
Tomasz Spiżewski ◽  
Monika Michalecka ◽  
...  
Keyword(s):  
Plant Resistance ◽  
Positive Impact ◽  
Quality Parameters ◽  
Nutritional Composition ◽  
Matter Content ◽  
Dry Matter Content ◽  
Yield And Quality ◽  
Amide Derivative ◽  
Combined Use ◽  
The Impact

Triggering the plant resistance induction phenomenon by chemical compounds, for example acibenzolar-S-methyl ester, has been known and described in scientific literature. Other benzothadiazole derivatives have been also described; however, their properties have not been sufficiently studied. The tested substance, N-methyl-N-methoxyamide-7-carboxybenzo(1.2.3)thiadiazole (BTHWA), is an amide derivative of benzothiadiazole, showing a stimulating effect on plant growth, apart from its plant resistance inducing activity. This article presents the impact of BTHWA, used solo and in the program with fungicides, on the strawberry plants development, fruits health, yield, and quality parameters of the crop. The results show that the combined use of BTHWA and fungicides had a positive impact on the plants health and fruit health and nutraceutical and nutritional composition of compounds when compared to the results obtained when strawberries were treated only with the BTHWA or the fungicide. As a result of BTHWA use, the partitioning of assimilates has changed, which directly translated into the results of the conducted experiments. A reduction in the respiration of the fruit during storage was also observed, possibly due to a reduced disease infestation and a lower dry matter content in the fruit. A correlation between the parameters determined during the experiment was found. The BTHWA mode of action was evidenced to be beneficial to strawberry plants and fruit.

Effects of Actinidia yellowing ringspot virus on the yield and quality of kiwifruit

Plant Disease ◽  
2021 ◽  
Author(s):  
Yi Wu ◽  
Yicheng Wang ◽  
Jiaxiu Sun ◽  
Yuling Liu ◽  
SHRESTHA SUJATA ◽  
...  
Keyword(s):  
Dry Matter ◽  
Matter Content ◽  
Fruit Yield ◽  
Ringspot Virus ◽  
Shaanxi Province ◽  
Dry Matter Content ◽  
Total Acid ◽  
Yield And Quality ◽  
Acid Ratio

China is the origin and distribution center of kiwifruit, as well as the country with the largest cultivated area and output of kiwifruit. A previous study found that a new kiwifruit virus, Actinidia yellowing ringspot virus (AYRSpV), has been detected in kiwifruit samples with yellowed leaves. The incidence of this virus was high in kiwifruit plantings in Shaanxi Province. To determine the symptoms of this viral infection and the effects of this virus on the yield and quality of kiwifruits, we measured leaf chlorophyll levels and the fruit yield, total sugar, total acid and dry matter contents of ‘Hayward’ kiwifruits grafted with AYRSpV-infected scions. The results showed that after AYRSpV infection, symptoms including chlorotic ringspots were mainly observed in the spring and gradually recovered with high summer temperatures. A few of the leaves that did not recover showed symptoms of albinism, which lasted until the leaves fell. We found that AYRSpV infection could reduce the chlorophyll content of ‘Hayward’ kiwifruit by 74.61-76.64%, the fruit yield by 14.50-24.10%, the sugar to acid ratio by 50.09-50.57%, and the fruit dry matter content by 1.67-1.78%. Our results showed that AYRSpV infection could significantly affect the yield and quality of ‘Hayward’ kiwifruit.

scholarly journals Effect of harvesting time on forage yield and quality of maize

2018 ◽  
Vol 34 (3) ◽  
pp. 345-353 ◽  
Author(s):  
Violeta Mandic ◽  
Zorica Bijelic ◽  
Vesna Krnjaja ◽  
Aleksandar Simic ◽  
Maja Petricevic ◽  
...  
Keyword(s):  
Protein Content ◽  
Crude Protein ◽  
Dry Matter ◽  
Matter Content ◽  
Forage Yield ◽  
Dry Matter Content ◽  
Crude Protein Content ◽  
Maize Hybrid ◽  
Growing Seasons ◽  
Yield And Quality

Maize is the very important silage source in the world. Timely harvesting ensure high maize forage yield and quality. Therefore, the study focused on the effects of four harvesting times (starting at the 12 August every 7 days) on yield and qualitative parameters of forage green mass of maize hybrid ZP 677. The experiment was set in Vojvodina Province, Serbia, during the 2013 and 2014 growing seasons. Plant height, stem diameter, number of leaves per plant, ear percentage, forage yield, dry matter content and crude protein content were higher, while stem percentage was lower in 2014 with favorable climatic condition. Forage yield, crude protein content, ADF and NDF decreased, while dry matter content significantly increased with delay in harvesting. The maize hybrid should be harvested when the milk line is three-quarter of the way down the grain that is in the third decade of August.

scholarly journals Physiological plasticity of main tree species of lowland hornbeamoak forest as a results of forest gap regeneration

2016 ◽  
pp. 99-103
Author(s):  
Árpád Szalacsi ◽  
Gergely Király ◽  
Szilvia Veres
Keyword(s):  
Leaf Area ◽  
Specific Leaf Area ◽  
Dry Matter ◽  
Light Condition ◽  
Matter Content ◽  
Plant Production ◽  
Dry Matter Content ◽  
Plant Life ◽  
Sun And Shade ◽  
Opening Process

Specific leaf area (SLA) of English oak (Quercus robur L.) and hornbeam (Carpinus betulus L.) as members of Querco robori-Carpinetum were investigated in two different habitat in terms of gap forest management: in the gap and in the inert forest. The artificial opening process of the forest resulted in more light for growing saplings and need for acclimatization. Photosynthesis is one of the most important ways for plant life and plant production basically influenced by altered light condition resulted in opening process. Efficient photosynthesis is important for plant life, plant production, but species-dependent plasticity of photosynthesis makes one species more tolerant, than others. The specific leaf area is acceptable parameters for characterising plant production, dry matter content and leaf structure. The dry matter content based on known leaf area is higher in oak both sun and shade leaves, than hornbeam. The different place of leaves in the canopy of trees did not influence the values of SLA.

scholarly journals Influence of Genotype, Site, and Year on Maize Nutritive Value – Yield Relationships

2017 ◽  
Vol 48 (2) ◽  
pp. 47-53
Author(s):  
J. Hakl ◽  
R. Loučka ◽  
J. Jirmanová ◽  
V. Jambor
Keyword(s):  
Dry Matter ◽  
Nutritive Value ◽  
Maize Yield ◽  
Matter Content ◽  
Forage Yield ◽  
Dry Matter Content ◽  
Yield And Quality ◽  
Maize Genotypes ◽  
Whole Plant ◽  
Maize Genotype

Abstract Maize genotype selection represents a practical tool influencing forage yield and quality. The main objective was to investigate the contribution of genotype, site, and year to variability of maize yield and quality in the environment of Central Europe. Totally 63 maize genotypes at 11 sites over a 7-year period were evaluated for dry matter yield (DMY), dry matter content (DM), starch, cob, neutral detergent fibre (NDF), in situ digestibility of stover NDF (NDFD), and organic matter (OMD). The genotype showed the highest variability from all factors where stover NDFD varied from 261 to 529 g kg-1 and stover OMD from 376 to 609 g kg-1. In contrast to the whole-plant, variability of stover traits was more closely related to NDF than the DM content. Under standardized plant DM, all tested factors were significant and allowed interpretation of 70 and 60% of total variation of yield and quality for stover and whole plant, respectively. The average contributions of genotype, site, and year were 30, 7, and 5%, respectively. For variability in plant productivity and nutritive value, the importance of maize genotype selection was more than two times higher than the contribution of environment.

scholarly journals EFFETS D'APPORT D'AMENDEMENTS LIGNEUX FRAIS ET HUMIFIES SUR LA PRODUCTION DE POMME DE TERRE ET SUR LA DISPONIBILITE DE L'AZOTE EN SOL SABLEUX

1990 ◽  
Vol 70 (4) ◽  
pp. 555-564 ◽  
Author(s):  
SUZANNE BEAUCHEMIN ◽  
MARC R. LAVERDIÈRE ◽  
ADRIEN N'DAYEGAMIYE
Keyword(s):  
Crop Residues ◽  
C:N Ratio ◽  
Crop Productivity ◽  
Matter Content ◽  
N Immobilization ◽  
N Recovery ◽  
Dry Matter Content ◽  
Yield And Quality ◽  
Wood Residues

Intensive potato cropping has been reported as a major cause of degradation of sandy soils. Wood residues from tree clipping applied to soils can substitute for crop residues to maintain adequate organic matter levels and crop productivity. However, this ligneous material presents a C:N ratio varying from 50 to 175 and, when applied in large quantities, may induce N immobilization at the expense of the crop. The objectives of this study were to quantify the importance of this N immobilization following addition of residues and its effect on yield and quality of potato crops. Fresh or humified residues (50 t ha−1) were applied to the soil and incorporated. The third treatment received no residue. Each treatment was subdivided into subtreatments which received either 0, 150, 200 or 250 kg N ha−1. P, K, Mg and S were applied at the same rate on all treatments. Following the application of wood residues in 1987, 46 kg N ha−1 were immobilized in amended plots. N recovery from fertilizer was 51%. To obtain comparable yields of similar quality to those measured on unamended plots, an additional 1.9 kg N t−1 residues added or 100 kg N ha−1 were required. In 1988, N immobilization was considerably reduced; yield and quality of potato tubers in plots that received wood residues the previous year were comparable to those of the unamended plots with appropriate fertilization. Water retention was significantly improved in plots that received wood residues. Partial decomposition of the residues for 1 yr prior to application on the soil did not significantly improve plant growth compared to fresh residues. Key words: Wood residues, tree clippings, potato yield, dry matter content, nitrogen immobilization, soil water content

scholarly journals The effect of ecological growing on the potatoes yield and quality

2011 ◽  
Vol 51 (No. 9) ◽  
pp. 397-402 ◽  
Author(s):  
K. Hamouz ◽  
J. Lachman ◽  
P. Dvořák ◽  
V. Pivec
Keyword(s):  
Mechanical Damage ◽  
Field Trials ◽  
Matter Content ◽  
Point Of View ◽  
Nitrate Content ◽  
Dry Matter Content ◽  
Yield And Quality ◽  
Negative Effect ◽  
Cultivated Potatoes

In the years 1995–1997 the effect of ecological growing on the yield and selected parameters of quality of consumer potatoes (in comparison with conventional way) were investigated. The ecological way of growing differed in the lack of chemical protection against diseases and pests and industrial fertilizers. Field trials were realised with seven varieties (Impala, Karin, Agria, Korela, Rosella, Santé and Ornella) on two sites (Uhříněves and Valečov). The ecological way of growing had markedly negative effect on the yield (decrease by 36%). In qualitative parameters the ecological way increased inconclusively polyphenol content (by 10.2%), decreased inconclusively nitrate content (by 11.0%) and reducing sugars (by 22%). It did not affect dry matter content, resistance of tubers to mechanical damage, table value and glycoalkaloid content. Variety Santé achieved the best results from the point of view of the yield and majority of qualitative parameters among varieties. Qualitative parameters of ecologically cultivated potatoes were significantly affected by the year of cultivation.

scholarly journals Overexpression of a putative nitrate transporter (StNPF1.11) increases plant height, leaf chlorophyll content and tuber protein content of young potato plants

2020 ◽  
Vol 47 (5) ◽  
pp. 464
Author(s):  
Michiel T. Klaassen ◽  
Dianka C. T. Dees ◽  
Rommel M. Garrido ◽  
Jorge Alemán Báez ◽  
Michiel Schrijen ◽  
...  
Keyword(s):  
Protein Content ◽  
Chlorophyll Content ◽  
Solanum Tuberosum L ◽  
Matter Content ◽  
Plant Production ◽  
Dry Matter Content ◽  
Nitrate Transporter ◽  
Root Cells ◽  
Tuber Protein ◽  
The Mean

Nitrate (NO3–) fertilisers are commonly used to improve the yield and quality of most non-legume crops such as potato (Solanum tuberosum L.). Root cells absorb nitrate from the soil using plasma membrane-bound transporters. In this study, we overexpressed a putative nitrate transporter from potato (StNPF1.11) to study its effect on the level of tuber protein content in potato. At 10 weeks after planting, overexpression of StNPF1.11 increased the mean level of protein content of all n = 23 transformants by 42% compared with the wild-type control. The level of chlorophyll content in leaves (from upper and lower plant parts) also increased for several individuals at 10 weeks. Tuber yield (fresh) was not structurally impaired; however, the mean tuber dry matter content of the transformants was reduced by 3–8% at 19 weeks. At 19 weeks, an overall increase in protein content was not clearly observed. Throughout plant development, half of the transformants were taller than the control. A basic understanding of the mechanisms that regulate plant nitrogen uptake, transport and utilisation, enable the development of tools to improve both crop nutrition and crop quality that are needed to enhance the viability and sustainability of future plant production systems.

scholarly journals Effects of Mulch Type and Fertilizer Placement on Weed Growth and Soil pH and Nutrient Content

2007 ◽  
Vol 17 (2) ◽  
pp. 174-177 ◽  
Author(s):  
Timothy K. Broschat
Keyword(s):  
Controlled Release ◽  
Soil Fertility ◽  
Soil Ph ◽  
Nitrate Nitrogen ◽  
Nutrient Content ◽  
Fine Sand ◽  
Ammonium Nitrogen ◽  
Fertilizer Placement ◽  
Sand Soil ◽  
Weed Growth

Four different organic mulches were applied to 1-m2 plots of Margate fine sand soil that were irrigated three times per week. A 8N–0.9P–10K–4Mg controlled-release fertilizer was applied above or below these mulches to determine the effects of fertilizer placement on weed growth and soil pH, nitrate–nitrogen, ammonium–nitrogen, potassium (K), and magnesium (Mg) concentrations. Unfertilized plots were used to determine mulch effects on soil pH and nutrient content. Fertilizer placement generally had no effect on any of these soil fertility parameters nor did it affect weed numbers. Cypress mulch increased soil K concentrations, and pine bark and eucalyptus mulch increased soil Mg over that of unmulched plots when no fertilizer was applied. The presence of any mulch type greatly reduced weed numbers over that of unmulched plots.

scholarly journals Nitrogen Balance in Fertilizer Application and Plant Production

1984 ◽  
Vol 15 (4-5) ◽  
pp. 169-176
Author(s):  
H.C. Aslyng
Keyword(s):  
Annual Variation ◽  
Root Zone ◽  
Soil Depth ◽  
Spring Barley ◽  
Fine Sand ◽  
Fertilizer Application ◽  
Coarse Sand ◽  
Plant Production ◽  
Sand Soil ◽  
Average Annual Precipitation

The investigation comprises several agricultural crops, a Karup locality (56°16' N, 9°9' E) with an average annual precipitation of 775 mm and coarse sand (soil 1), and a Tåstrup locality (55°40' N, 12°18' E) with an average precipitation of 600 mm and clay with fine sand (soil 6). Soils 1 and 6 have 5 and 8 t N/ha in organic matter, respectively, to 50 cm soil depth and an average effective root zone capacity for available water of 60 and 170 mm. Data for soils 1 and 6 in kg N/ha as average (with great annual variation) were for spring barley found to be around the following: mineralization 75 and 135, denitrification 5 and 20, uptake in harvest 105 and 155, leaching 65 and 40, and spring storage 10 and 60, respectively. Wintering and late growing crops reduce the leaching by around 20 kg N/ha. The nitrogen leaching from sandy soil is clearly influenced by variation in fertilization whereas the leaching from clay soil is only a little affected.

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