• Title/Summary/Keyword: 전질소

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Influences of Nitrogen and Potassium Rates on the Chemical and Physical Properties of Cured Leaf on Burley Tobacco (질소 및 가리 시용량이 버어리종 잎담배의 성분 및 물리성에 미치는 영향)

  • 김상범
    • KOREAN JOURNAL OF CROP SCIENCE
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    • v.36 no.1
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    • pp.1-6
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    • 1991
  • A field experiment was conducted to find out the effects of nitrogen and potassium rates on the chemical constituents and physical properties of burley tobacco (1988; Burley 21. 1989; Burley 21 and KB 101) during successive two years. KB 101 was low in total nitrogen and total alkaloid contents and potassium/total nitrogen ratio of cured leaf. but high in the lightness, red and yellow color and filling power, comparing to Burley 21. The increasing rates of total nitrogen and total alkaloid contents were larger when nitrogen applied to 22.75kg/10a, but they were smaller when nitrogen applied above 22.75 kg/l0a. The potassium content, potassium/total nitrogen ratio, filling power and shatter resistance index of cured leaf were decreased by nitrogen fertilizer addition. The potassium content and shatter resistance index were increased by potassium fertilizer addition. The effect of nitrogen rate on the potassium/total nitrogen ratio of cured leaf was larger than the effect of potassium rate. When the nitrogen fertilizer being applied above 22.75 kg/l0a, there were no advantageous effects on the chemical and physical properties. It is considered to be sufficient that the potassium application is about 35.0 kg/l0a.

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Correlation of Growth Performance with Total Nitrogen, Carbon and Nitrogen Isotope Compositions in the Xylem of Pinus koraiensis (잣나무 생장과 목질부내의 전질소, 탄소 및 질소 동위원소 조성과의 상관관계)

  • Lee, Wi-Young;Park, Eung-Jun;Han, Sang-Urk
    • Journal of Korean Society of Forest Science
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    • v.99 no.3
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    • pp.353-358
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    • 2010
  • In this study, we investigated the relationship of tree-ring growth with total nitrogen content, and stable carbon and nitrogen isotopes from the core samples of Pinus koraiensis (35-year-old). Annual ring width showed significant positive correlations with the ${\delta}^{13}C$ (P=0.003). The total nitrogen content (P=0.024), and the ${\delta}^{13}C$ content was also correlated with total nitrogen content (P=0.038), indicating that the growth of P. koraiensis was stimulated as the contents of both ${\delta}^{13}C$ and total nitrogen were increased. On the other hand, the less the ${\delta}^{15}N$ content and the C/N ratio were, the larger the annual ring width was. Moreover the families with relatively better growth performance contained the higher levels of ${\delta}^{13}C$ in the xylem compared to other families. These results suggest that the ${\delta}^{13}C$ and total nitrogen contents are the important determinants in the growth performance of P. koraiensis.

Studies on the Response of Rhizobium Inoculation and Nitrogen Concentration to the Soybean Growth in Nutri-Culture I. Effects of Rhizobium Inoculation and Nitrogen Concentration on the Nodulation, Total and Allantoin Nitrogen Contents of the Plants, and Contents of crude fat and Protein of Soybean Seeds in Nutri-Culture (양액재배(養液栽培)에 있어 근류균(根瘤菌)의 접종(接種) 및 질소반응(窒素反應)에 관(關)한 연구(硏究) 1. 근류균(根瘤菌)의 접종(接種) 및 질소시용량(窒素施用量)이 대두품종(大豆品種)의 근류착생(根瘤着生), 전질소(全窒素) 및 Allantoin 질소함량(窒素含量)과 종실중(種實中)의 조지방(粗脂昉) 및 조단백함량(粗蛋白含量)에 미치는 영향(影響))

  • Lee, Hong-Suk;Ku, Ja-Hwan
    • Korean Journal of Soil Science and Fertilizer
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    • v.22 no.3
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    • pp.245-252
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    • 1989
  • This experiment was carried out to study the effects of nitrogen concentration of cultural solution, rhizobium inoculation, and planting density on nodulation, contents of total-N and allantoin-N of the plants, and contents of crude fat and protein of the seeds with 4 cultivars and 1 non-nodulation isogenic line (Hwangeumkong, Jangbaegkong, Paldalkong, Clark, non-nodulating Clark) in nutri-culture. Modulation was increased significantly by the rhizobium inoculation and decreased by the increase of nitrogen concentration of the cultural solution and planting density, and more nodule per plant was observed in Hwangeumkong than other cultivars. Total nitrogen contents of the soybean plant were higher in Hwangeumkong and Janbaegkong compared with other two cultivars, and were increased by rhizobium inoculation and the increase of nitrogen concentration of the cultural solution except in case of $R_3$ stage of non-inoculation of rhizobium, and was decreased by the increase of planting density. Allantoin nitrogen contents of stem were lower in Paldalkong compared with other cultivars and was increased significantly by the rhizobium inoculation, and thus was correlated significantly with nodulation. Allantoin-N contents were also decreased by the increase of planting density and nitrogen concentration of the solution, and was very low in case of non-nodulating isogenic line at any level of nitrogen concentration. The contents of crude fat of the seed were lower in cases of higher nitrogen concentration of the solution and more plants per pot, but no effects of rhizobium inoculation was observed. The contents of crude protein were tend to increase by the increase of nitrogen concentration, but were little effected by rhizobium inoculation and planting density.

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Effect of Nitrogen Fertilization on Maturity of leaves and Chemical Contents of Burley Tobacco (질소시비량이 버어리종엽의 성숙과 내용성분에 미치는 영향)

  • 배성국;추홍구
    • KOREAN JOURNAL OF CROP SCIENCE
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    • v.32 no.3
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    • pp.347-352
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    • 1987
  • This studies were carried out to investigate the effects of nitrogen fertilizer rates and methods of its application on maturity of leaves, total nitrogen and total alkaloids concentration in burley tobacco leaves. Nitrogen rate ranged from 17.5 to 40.5kg/10a and applied through basic fertilization and sidedressing. The filling capacity of cured leaves was decreased with increasing levels of nitrogen fertilizer. As the rate of nitrogen fertilization was increased or sidedressing, the maturity of leaves was delayed and total alkaloids and total nitrogen concentration were increased. Total alkaloids concentration in leaves was gradually increased, especially more in upper leaves from 60 to no days after tratnsplanting, but total nitrogen concentration was decreased.

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Study on No-tillage Silage Corn Production with Legume Hairy Vetch (Vicia villosa Roth) Cover II. Changes of yield and nitrogen upake of corn by N fertilizer and hairy vetch cover (헤어리베치 피복을 이용한 옥수수 무경운 재배에 관한 연구 II. 질소시비 및 헤어리베치 피복에 의한 옥수수의 수량 및 질소 흡수량의 변화)

  • 서종호;이호진
    • Journal of The Korean Society of Grassland and Forage Science
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    • v.18 no.2
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    • pp.123-128
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    • 1998
  • Legume winter cover crop hairy vetch(Vicia villosa Roth, HV) can supply mineral nitrogen for silage corn by HV cover killed. The purphose of this study was to understand changes of soil mineral N, yield and N uptake of silage corn by N level (0, 135kgFN/ha) and cover cmp(no cover crop: NCC, hairy vetch cover crop: HVC) at field of Crop Experiment Station in 1996. HV growth decreased soil mineral N concentration before seeding corn, but killed HV cover increased concentration of soil mineral N at surface soil (0~7.5cm) at six-leaf stage of corn. Total dry matter(DM) and N uptake of corn averaged over N level was more decreased in HVC than in NCC at silk stage, but N uptake of corn after silk was more increased in HVC than in NCC by N mineralized fiom HV killed, especially in OkgFNJha. N fertilization increased total DM and and N uptake of corn averaged over cover crop, especially more increased the DM and N uptake before silk stage. Early application of N fertilizer was recommendable in netillage silage corn using hairy vetch cover crop.

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Studies on the Varietal Response of Soybeans to Nitrogen Application level Under the Different Soil Acidity I. Effects of pH and Nitrogen Application Level on Nodulation, Allantoin-N and Total Nitrogen Content of Soybean Plants (대두의 토양산도에 따른 질소반응 연구 I. 토양 및 양액의 산도와 질소시용량이 콩의 근류착생, Allantoin 태질소 및 전질소함량에 미치는 영향)

  • Lee, Hong-Suk;Kwon, Oh-Ha;Kim, Kwang-Ho
    • KOREAN JOURNAL OF CROP SCIENCE
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    • v.33 no.1
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    • pp.38-47
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    • 1988
  • To determine the response of soybean cultivars to nitrogen in relation to acidity, nodulation, content of allantoin nitrogen and major chemical compositions of soybean plants were investigated with two cultivars under two levels of soil pH and four levels of nitrogen fertilization in a field and nutri-culture experiments. Nodulation and contents of allantoin nitrogen, total nitrogen, potassium, calcium, magnesium and manganese of soybean plants decreased under acidic condition, but the degree of decrease was smaller in the variety Jangbaegkong compared to the variety Danyeobkong. On the other hand, nodulation, content of allantoin nitrogen and potassium decreased with increased nitrogen fertilization, particulary under pH 7 condition. Nodulation was positively correlated with the content of allantoin nitrogen of soybean plants. The content of total nitrogen of soybean plants increased with increased nitrogen fertilization, and this tendency was remarkable under acidic condition and in the variety Jangbaegkong.

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Distribution of Fall-Applied N in Various Parts of Satsuma Mandarins (가을에 시용한 질소의 온주밀감 수체 부위별 분포)

  • Kang, Young-Kil;U, Zang-Kual;Kim, Yoeng-Chan
    • Korean Journal of Soil Science and Fertilizer
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    • v.33 no.5
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    • pp.325-332
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    • 2000
  • To determine the distribution and recovery of fall-applied N in various parts of satsuma mandarins (Citrus unshiu Marc). $19.68g\;N\;tree^{-1}$ as urea containing 5 atom % $^{15}N$ and 58 kg$K_2O$ $ha^{-1}$ were broadcast-applied to 11 years old 'Miyagawa Wase' grown at a spacing of $2.7{\times}2.7m$ on 18 November 1998. Nitrogen, $P_2O_5$, and $K_2O$ were applied at 104, 308, and $62kg\;ha^{-1}$ on 22 March and N and $K_2O$ at 42 and $83kg\;ha^{-1}$ on 15 June 1999. Two trees were excavated on 15 June and 8 December 1999, respectively. In mid-June, whole tree contained $168.2g\;N\;tree^{-1}$ of which 11.9, 42.1, 29.7, and 16.3% were in fruits, leaves, stems, and roots, respectively. In early December, total tree N averaged $169.8g\;tree^{-1}$ and fruits accounted for 27.6%, leaves 36.4%, stems 22.8%, and roots 13.2% of total tree N. Regardless of harvest date, N derived from fertilizer was highest in newly developed tissues. In mid June, the tree recovered 18.5% ($3.63g\;tree^{-1}$) of fertilizer N. Fruits accounted for 21.1%, leaves for 50.4%, stems for 21.5%, and roots for 7.9% of fertilizer-derived N in the tree, respectively. In early December, the tree recovered 17.0% of fertilizer N. Fruits contained 39.6%, leaves 40.5%, stems 14.5%, and roots 5.3% of fertilizer-derived N in the tree respectively. Comparing with total tree N, a higher proportion of fertilizer-derived N was allocated to metabolically active tissues while a less proportion to old tissues regardless of harvest date.

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Nitrogen Recommendation Based on Soil Nitrate Test for Chinese Cabbage Grown in Plastic Film House (시설재배 토양의 질산태질소 검정에 의한 배추의 질소시비량 결정)

  • Kwak, Han-Kang;Song, Yo-Sung;Hong, Chong-Woon
    • Korean Journal of Soil Science and Fertilizer
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    • v.30 no.1
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    • pp.84-88
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    • 1997
  • To establish N fertilizer recommendation method based on nitrate content of the soil for the Chinese cabbage grown in the plastic film house. Chinese cabbage was grown in the pots containing the plastic film house soils with various levels of $NO_3{^-}-N$ and different levels of fertilizer N. The nitrate nitrogen showed the positive correlation with nitrogen uptake amount by plant and the negative correlation with fertilizer nitrogen use efficiency of plant. The content of nitrate nitrogen in soil for maximum yield of Chinese cabbage was 310 mg/kg. An equation for the recommendation of fertilizer N for Chinese cabbage based on $NO_3{^-}-N$ in the soil was suggested.

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ROLE OF POTASSIUM AND MALIC ACID FOR NITRATE TRANSLOCATION AND REDUCTION IN TOBACCO LEAF (담배잎에서 칼륨과 능금산이 질산태질소의 이동 및 환원에 미치는 영향)

  • 이윤환
    • Journal of the Korean Society of Tobacco Science
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    • v.7 no.2
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    • pp.141-149
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    • 1985
  • 뿌리에서 흡수된 질소는 대부분이 질산태이온으로 잎의 엽맥까지 도달하나 엽육에서 급격히 환원되어 유기태질소로 동화한다. 잎의 주맥을 통과하여 세맥까지 질산태질소로 이동되며 전질소의 1/2이상의 양까지 다다르나 엽육에서는 전질소함량이 엽맥의 5배까지 증가되어도 질산태질소는 $10^{-2}$ 정도로 급격히 환원되었다. 칼륨은 엽맥까지 질소와 동반 이동하나 엽육에서의 질산태질소환원에 의하여 이동이 차단되는 현상을 보였다. 엽육에 축적된 칼륨은 능금산의 축전을 촉진하였고 질산환원효소의 활성이 왕성하게 일어나는 하위엽에 높은 농도로 축적되었다.

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The Effects of Total Nitrogen and Residual Ammonia Contents of Compost on the Yield of Cultivated Mushroom, Agaricus Bisporus (퇴비(堆肥)의 전질소(全窒素)와 암모니아 함량(含量)이 양송이 수량(收量)에 미치는 영향(影響))

  • Shin, Gwan-Chul;Oh, Byoung-Youl;Kim, Dong-Soo
    • The Korean Journal of Mycology
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    • v.1 no.2
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    • pp.1-7
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    • 1973
  • Among the factors which affect the mushroom yield, this investigation was aimed to confim the relationship between nitrogen content of rice straw compost and crop yield, residual ammonia content and yield. In this investigation the nitrogen content in dry weight of compost ranged from 1.10 to 2.06% and the residual ammonia content between 0.01 and 0.8% at spawning according to the sources of organic or inorganic nitrogen and the formulas of compost materials. The results obtained are summarized as follows: 1. The relationship between nitrogen content of rice straw compost and mushroom yield was represented by the formula: y=13.95+0.048$(r=0.68^{**})$. 2. Nitrogen content and mushroom yield of compost supplemented with organic nitrogen sources were increased as compared with control or inorganic treatments. 3. The relationship between the residual ammonia content and mushroom yield is represented by the formula: $y=0.38086-0.011948+0.00012x^2(r=-0.75^{**})$. In order to obtain high cropping yield the residual ammonia content at spawning should be below 0.03% (expressed as nitrogen content). 4. Application of ammonium sulfate increased the nitrogen content of compost slightly, but the residual ammonia content was increased considerably and yield decreased. On the other hand, the residual ammonia content of urea treatment was low and increased mushroom yield remarkably.

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