• Current Research on Agriculture and Life Sciences
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• v.27
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• pp.69-75
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• 2009

This research regard it as most meaningful to realize the importance of the hedgerow in cultivated areas functioning as a residual landscape element in rural landscape and set improvement guidelines through landscape character and value analysis to cope with landscape malfunction. The results of summary are as follows. 1) First of all, as a result of landscape character analysis of edge stripe in cultivated land in total of 7 case areas, for example, the edge stripe in cultivated land in case area 4 and 8 maintain the width of 10m and are assessed satisfactory in terms of vegetation development condition, appearance of living species, connectivity, buffer capacity and so on. Also, as a result of structural character of correlation analysis among items, the correlation coefficient between width and appearance of living species showed 0.941, the highest. Following are connectivity and appearance of living species and width and buffer capacity respectively: 0.841 and 0.740. 2) As a result of landscape character analysis of uncultivated stripe in total of 6 case areas, it is analyzed that case area 4 maintains the widest width as almost 4.5m average width and considered valuable as I degree in vegetation development condition, filtering, and connectivity. 3) As a result of problem analysis of uncultivated stripe, for example, case 3, 9, and 10 was analyzed that the width was below 1.25m which is too small to carry out the function of buffer and habitat for living creature, so minimum standard width was set between 4~5m through comprehensive analysis of character of each case area. Based on the result above landscape character, value and problem analysis, main improvement guidelines are set in terms of width, connectivity, filtering, and vegetation development, restrictive practices and so on.

• Korean Journal of Food Science and Technology
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• v.28 no.2
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• pp.240-245
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• 1996

Soybean sprouts(Paektae chunjari variety) cultivated for 5 days at a high temperature and humidity condition placed in the position of either upside down (method 1) or up right (method 2) were compared with the sprouts grown for 9 days with the conventional method (method 3) with respect to appearance, yield, rotten rate and organoleptic quality. The method 1 sprouts cultivated at a high temperature and humidity by sprinkling underground water (controlled temperature $17^{\circ}C$) 8 times a day were not significantly different in yield, rotten rate and moisture content from the method 2 sprouts except the lighter individual weights. The total weight yield of method 1 sprouts ($699{\pm}8.14%$699±8.14%) was lower than that of the method 3 sprouts ($771{\pm}11.8%$) but there was no significant difference in rotten rate ($0.83{\pm}0.07$). The organoleptic quality of the method 1 sprouts were superior in colour, flavor and overall taste than the method 3 sprouts.

• Korean Journal of Soil Science and Fertilizer
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• v.47 no.3
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• pp.172-178
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• 2014

Soil properties and heavy metal (HM) concentrations in the field soils where balloon flowers (Platycodon grandiflorum, BF) were cultivated, were investigated together with HM (Cd, Cu, Pb, and Zn) accumulation by the BF roots. Basically, in most soils examined (51-97% among 65 samples), the chemical properties including soil pH, organic matter, available-P, and exchangeable cation contents appeared to be lower than the optimal ranges for balloon flower cultivation. There were no samples exceeding the standard limits for HM in soils. Instead, the total HM concentration levels in soils appeared to be maintained at around background levels for general soil in Korea. This implied that elevated HM accumulation in the soils caused by any possible input sources was unlikely. Even though the BF cultivated soils were not contaminated by HM, it was appeared that substantial amount of Cd was accumulated in BF roots with 1.5% and 35% roots samples exceeding the standard limits legislated for BF root ($0.81mg\;kg^{-1}DW$) and herbal plants ($0.3mg\;kg^{-1}DW$), respectively. This implied that the soil HM standard limits based on the total concentration does not reflect well the metal accumulation by plants and also it is likely that the Cd standard limits for BF and herbal plants is too restrict.

• Korean Journal of Food Science and Technology
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• v.1 no.1
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• pp.62-64
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• 1969

The experiment was carried out to investigate the adaptability of freezing process with thirteen strawberry varieties cultivated in Suwon, Pusan and Chunju area. Six of these were local varieties and the others were varieties imported from the United States of America. Each strawberries variety was analysed chemically to determine value of soluble solids, acidity (calculated as citric acid) and deepness of color. Frozen products were prepared by a general method adding sugar to $28^{\circ}\;Brix$. Local varieties Haengok, Bokuh, Keikwan and Daehak No. 1 were not suitable for making into frozen products because of excessive white color in their centers. Blakemore, an imported variety, was best as to color. Chemical analysis showed that imported varieties have higher acidity, and lower content of soluble solids. In a sensory test conducted by fifteen members of Agriculture and Fishery Development Corporation, deeper colors of strawberries did not receive a generally favorable response, and it was found that strawberry colors favored by the America were not liked by Korean well.

• Korean Journal of Food Science and Technology
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• v.50 no.6
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• pp.680-687
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• 2018

This study compared the nutritional value of quinoa cultivated in different regions, i.e., Peru (PQ), United States (UQ), and Korea (KQ), focusing on their proximate and nutrient compositions and functional components. Moisture, protein, lipid, and ash contents were highest in KQ, and the carbohydrate content was the highest in UQ. KQ had the highest amount of total amino acids, especially lysine. KQ had the lowest levels of Na but the highest levels of K, P, Fe, Mg, Zn, and Mn. The antioxidant compounds, quercetin and kaempferol were not detected in KQ, which consequently had the lowest total phenolic and total flavonoid contents (TPC and TFC, respectively). These values were comparatively higher in UQ. Meanwhile, PQ had the highest TPC and TFC values as well as kaempferol content, but lacking quercetin. These results demonstrate that the nutritional value of quinoa varies according to the region in which it is cultivated.

• Korean Journal of Medicinal Crop Science
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• v.11 no.3
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• pp.216-223
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• 2003

This experiment was carried out to investigation the growth differentiation between direct sowing and transplanting on P. ginseng cultivated on field and underwood. The results were as follows: In direct sowing treatment, emergence rate of P. ginseng cultivated on field and under conifer forest was above 80%, but it was only 40% at cultivated under broad-leaved forest. And survival rate was directly diminished about 10% every year. In transplanting treatment, survival rate was also diminished every year, it was slighter than that of direct sowing treatment. The growth amount of P. ginseng cultivated underwood was poor, compared to field culture, but there was no significant between conifer forest and broad-leaved forest. In transplanting treatment of 1 to 6 year-root seedling, survival rate of P. ginseng cultivated underwood was equal or slightly good compared to that of cultivated on field. Among seedling age, survival rate of elder seedling was lower than that of younger seedling. In P. ginseng cultivated underwood, the annual growth increment of 1 and 2 year-root seedling increased slowly and continually, whereas, that of 3 to 6 year-root seedling stopped or decreased slightly.

• Korean Journal of Medicinal Crop Science
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• v.18 no.4
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• pp.266-272
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• 2010

There is a considerable difference in morphological traits between Bokbunja cultivated in Korea (KCB) and Korea native Rubus coreanus, contrary to the conviction that the cultivated Bokbunja is the domestication of R. coreanus. To infer the phylogenetic relationship of KCB with other Rubus species, we compared the chloroplast DNA spacers of KCB with those of several Rubus species including black raspberry, R. occidentalis. The three chloroplast DNA spacers, atpB~rbcL, trnL~trnF, and trnT~trnL, were amplified using the specific primer pairs and converted to Single Strand Conformational Polymorphism (SSCP) markers. The SSCP makers of the chloroplast DNA spacers showed a considerable variation both within and among Rubus species. In the phylogenetic tree generated by the SSCP markers, KCB accessions were located in the same clade with R. occidentalis, but R. coreanus accessions in the different clade. Also, in the phylogenetic tree by the nucleotide sequences of the chloroplast DNA spacer trnL~trnF, KCB located in the same clade with R. occidentalis but not with R. coreanus. These results suggest that the three KCB accessions share higher similarity with R. occidentalis than with R. coreanus in the three chloroplast DNA spacers.

• Korean Journal of Medicinal Crop Science
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• v.16 no.6
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• pp.421-426
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• 2008

Three year-old peony (Paeonia. lactiflora Pall. cv. Taebaek) was cultivated in green-house at Jan. 15, Feb. 15, or Mar. 15, respectively. The mean of temperature during the forcing cultivation was higher (air; $1.0{\sim}11.1^{\circ}C$, soil; $1.1{\sim}7.4^{\circ}C$) than that of open-field condition. From sprouting to flowering in peony cultivated at Jan. 15 was about 54 days, which is shorted the cut flower periods (ca. 26 days) compared with the open-field cultivation. However, earlier forcing cultivars were very susceptible to pathogens such as powdery mildew or gray mold. The yield in green house was also lower than in the open-field cultivation. The content of bioactive compounds such as paeoniflorin and albiflorin in green-house cultivars was similar that of open-field cultivars. These results showed the forcing cultivation time of peony at Feb. 15 in green-house was most desirable for commercialization.

• Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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• 2017.10a
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• pp.756-759
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• 2017

The productivity of cultivated crops in Korea is low compared to the Netherlands, which is an advanced agricultural country. In addition, modernization of facility and complex environmental control technology are needed to overcome poor growth and productivity deterioration caused by shortage of sunshine, abnormal temperature and high temperature due to abnormal climate. On the other hand, domestic facility horticulture complex environmental control is a level of machine automation that can check the internal situation of a green house with a cell phone and remotely operate a sprinkler, heat cover, curtain, ventilator, Therefore, this paper suggests the development of optimum environment control technology for facility horticulture based on the growth model and the cultivation technology knowledge base in order to realize the automation of optimal complex environment control and contribute to improvement of quality and productivity of cultivated crops.

• Journal of the Korean Society of Food Science and Nutrition
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• v.38 no.2
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• pp.211-216
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• 2009

This study was conducted to determine whether Pleurotus ostreatus (oyster mushroom), cultivated in various ratios with herbal extract remnants instead of cotton supplemented with nutrients (the control), improved mycelial growth, mushroom yields and longevity during storage. In addition, we investigated the transfer of medicinal herb components into the mushrooms since they contained non-specific medicinal herbs and their composition could not be controlled. Mushrooms cultivated with 70% and 100% medicinal herb remnants had faster growth rates, higher yields and less failure in the development of the fruit body than the control group. There were no differences in HPLC chromatogram among the methanol extracts of Pleurotus ostreatus in all groups. In addition, glycyrrhizin, an indicative compound of licorice which was a major herb among the herbal remnants, was not detected in any of the extracts. Pleurotus ostreatus that was cultivated with 70% and 100% herbal extract remnants had improved storage longevity in comparison with the control. They exhibited the least weight loss during storage among the groups and they maintained firmness in the stipe and pileus. However, the sources of media did not alter the color difference of the stipe and pileus or the quality index of the outward appearance during storage. In conclusion, cultivating media that contained over 70% of medicinal herb extract remnants increased the growth rates and yields of Pleurotus ostreatus. In addition, these mushrooms had enhanced storage longevity due to their firmness. Therefore, medicinal herb extract remnants should be utilized in the cultivating media of various mushrooms.