Výsledky vyhledávání - "Dong-Chil Choi"

Effect of Cultivation Using Plastic-Film House on Yield and Quality of Ginseng in Paddy Field

Autor: Chang Su Kim, Dong-Won Kim, Dong Chil Choi, Hee Jun Kim, Dong Hyun You, Nam Ki Oh, Jong Suk Park, Jeong Man Kim, Jong Yeob Kim

Publikováno v: Korean Journal of Medicinal Crop Science. 22:210-216

*Jeollabukdo Agricultural Research and Extension Services, Iksan 570-704, Korea.ABSTRACT : The average and maximum temperature were 29.5℃ and 33.2℃ at 2:00 p.m. respectively, in the plastic-filmhouse covered with shade net, and both of temperatur

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::311dade1b64f46db0cec9dabe98c9630
https://doi.org/10.7783/kjmcs.2014.22.3.210

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Economic Analysis of Rice Transplanting Method using Pot Raised Seedling for Environment-friendly Agriculture

Autor: Wang-Hyu Lee, Dong-Chil Choi, Young-Hun Moon, In-Young Choi, Yong Kyu Shin, Young-Rip Kwon

Publikováno v: Korean Journal of Crop Science. 57:456-462

In the new changing scenario, the goal of agriculture is shifting from traditional to sustainable and environment-friendly agriculture. Therefore, in this experiment, we analyzed economic efficiency of two methods of rice cultivation i.e. new cultura

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::71a3b1b392ba9c38e12c1cf5bfbbefc9
https://doi.org/10.7740/kjcs.2012.57.4.456

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An Investigation and Evaluation of Insect Pests in Greenhouse Vegetables in Jeonbuk Province

Autor: Kwan-Suk Lee, Chang-Yeon Hwang, Dong-Chil Choi, Sung-Hee Park, Ju Kim, Ju-Rak Lim, Hyung-Cheol Moon

Publikováno v: Korean journal of applied entomology. 51:271-280

Twenty-two families and 39 species of insect pests were surveyed on five families and 20 species of greenhouse vegetables in Jeonbuk province. The species of insect pests and the families of plants infested were seven families and 10 species on Cheno

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8e81eadeedc639aa33d02d5cc2abb945
https://doi.org/10.5656/ksae.2012.06.0.028

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Seasonal Occurrence of Tetranychus kanzawai and Control Efficacy of Alternate Use of Natural Enemy and Miticide in Rubus coreanus Field

Autor: Seong-Soo Cheong, Chang-Yeon Hwang, Ju-Rak Lim, Jin You, Dong-Chil Choi

Publikováno v: Korean journal of applied entomology. 49:233-239

Seasonal occurrence and suitable time of control of Tetranychus kanzawai along with the control efficacy of the alternative use of natural predator and miticide was investigated in Rubus coreanus (Miquel). T. kanzawai appeared in late May with its pe

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6d77246d351aa179415eba4d43c065bc
https://doi.org/10.5656/ksae.2010.49.3.233

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Determination of Nitrogen Fertilizer Recommendation Rates Estimated by Soil-Testing for Different Types of Paddy Soils

Autor: Dong-Chil Choi, Byung-Koo Ahn, Jin-Ho Lee, Young-Hun Moon, Young-Rip Kwon

Publikováno v: Korean Journal of Environmental Agriculture. 29:33-38

To improve the existing nitrogen recommendation method based on chemical properties of soils and to establish new recommendation rates of nitrogen fertilizer due to different types of soils, the application rates of nitrogen fertilizer were examined

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3457597d40f2a87fcb32a3dc36cb4dab
https://doi.org/10.5338/kjea.2010.29.1.033

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Development under Constant Temperatures and Seasonal Prevalence in Soybean Field of the Bean Pyralid, Omiodes indicatus (Lepidoptera: Crambidae)

Autor: Kyu-Hwan Choi, Yoon-Ki Hong, Chi-Sun Kim, Young-Jik Chang, Tae-Heung Kim, Jeong-Seop Moon, Dong-Chil Choi

Publikováno v: Korean journal of applied entomology. 47:353-358

The bean pyralid, Omiodes indicatus (Fabricius), moulted 4 times during larval period. When temperature increased from 15 to 20, 25, and , the developmental period of immature stages was shortened; 18.2, 7.5, 5.0, and 4.1 days of egg period; 51.8, 20

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::beef372da1f344f947f3736d830da40e
https://doi.org/10.5656/ksae.2008.47.4.353

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Bionomics of Tetranychus urticae Koch on Eggplants under Various Silicate Regimes in Controlled Environment

Autor: Tae-Heung Kim, Kyu-Hwan Choi, Hyung-Cheol Moon, Ju Kim, Jeong-Man Kim, Sang-Koo Lee, Dong-Chil Choi

Publikováno v: Korean journal of applied entomology. 47:227-235

Development of T. urticae was studied on the leaves of eggplant grown in hydroponics with nitrogen contents of 5 mM, 10 mM, 30 mM, and 60 mM. As the nitrogen level in hydroponics increased, it also increased in the plant whereas that of K, Ca, and Mg

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::832f424f73c4832379bf071582b898b7
https://doi.org/10.5656/ksae.2008.47.3.227

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