Evaluation of Nitrogen and Phosphorus Balance in Green Manure-Rice Cropping Systems without Incorporation of Green Manure Crops

Kim, Tae‐Young; Daquiado, Aileen Rose; Alam, F; Lee, YongBok

doi:10.5338/kjea.2012.31.4.308

Cited by 8 publications

(4 citation statements)

References 6 publications

(5 reference statements)

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“…동절기 풋거름작물 재배 본 실험은 2016 -2017년 2년간 시행하였으며 본 실험에 사용된 풋거름 작물은 보리 (Hordeum vulgare)와 헤어리베치 (Vicia villosa)이며, 표준 파종량 대비 보리 75% (10.5 kg 10 a -1 ) + 헤어리베치 25% (2.25 kg 10 a -1 ) 로 혼파하였다. Kim et al (2012) 15.6, 21.3, 28.4 kg ha -1 이며, 인산 투입량은 각각 0, 11.3, 22.6, 33.9, 45.2 (Papastylianou, 1988).…”

Section: Methodsunclassified

Evaluation of the Crop Yield and Nutrient Balance by Application of Liquid Manure in Paddy Soil

Yoon¹,

Choe

Kantharaj

et al. 2020

Korean J. Soil. Sci. Fert.

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The purpose of this study was to evaluate the effects of liquid manure to increase the yield of green manure in winter season, and to investigate the effect of green manure incorporation to increase the yield of maize grain and nutrient balance improvement in upland soil. The green manure used in this experiment was barley and hairy vetch with a mixed ratio of barley and hairy vetch (75:25), respectively. Liquid manure applied 0, 26, 52, 78, and 104 Mg ha -1 , respectively, and the half of the total amount was applied as basal fertilizer, and the other half was topdressing. Nitrogen inputs through liquid manure were 0, 7.1, 15.6, 21.5 and 28.4 kg ha -1 , respectively, and the phosphorus inputs were 0, 11.3, 22.6, 33.9 and 45.2 kg ha -1 , respectively. The yield of green manure crops increased significantly with the increase of liquid manure application, but the yield of hairy vetch decreased. In the summer season, the green manure crops were incorporated, and the compost was used in the conventional treatment. The yield of maize grain increased with increasing green manure yield. The yield of maize grain of green manure crops incorporation treatments was up to 81% compared to conventional cultivation treatment, however the two-year experiments showed an increase on maize grain yields in green manure incorporation treatment. In addition, the incorporation of green manure crops greatly improved the phosphorus balance in compared to conventional cultivation. Therefore, productivity improvement of green manure crops by utilizing liquid manure is thought to have significantly contributed to the improvement of maize grain yield and nutrient balance.

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Section: Methodsunclassified

Evaluation of the Crop Yield and Nutrient Balance by Application of Liquid Manure in Paddy Soil

Yoon¹,

Choe

Kantharaj

et al. 2020

Korean J. Soil. Sci. Fert.

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“…우리나라는 불규칙한 작부체계, 여름철 집중 강우와 빈번한 경운으로 인한 토양 손실, 토양구조 악화 및 토양 비옥 도가 감소되고 있으며, 그 결과 작물의 생육에 부정적인 영향을 끼치고 있다 (Cho et al, 2012;Kim et al, 2010). 이런 이유로 작물의 수확량을 증가시키기 위해 무기질 비료의 사용량이 많아지고 있으며, 결과적으로 우리나라는 OECD 국가에서 단위면적당 무기질 비료를 가장 많이 사용하는 국가로 분류되고 있다 (Kim et al, 2012). 무기질 비료는 식 물이 쉽게 이용할 수 있는 장점이 있지만, 장기적으로 사용될 경우 토양 구조를 악화시킬 수 있고, 수질 오염 및 작물 생육이 감소되는 단점이 있어 이에 대한 관리가 필요한 실정이다 (Guo et al, 2010;Miao et al, 2011).…”

Section: Introductionunclassified

Selection of Optimal Application Condition of Corn Waste Biochar for Improvement of Corn Growth and Soil Fertility

Kang

Kim

Park

et al. 2017

Korean J. Soil. Sci. Fert.

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This study was conducted to select an optimal approach to corn waste biochar (BC) application, and to evaluate the effects of combined application of BC and inorganic fertilizer (IF) on corn growth and soil chemical properties in a pot experiment. Corn growth differed with BC application timing and BC application levels. Based on the characteristics of corn growth in pot-based experiments, the selected optimal application conditions of BC were application of 500 kg 10a -1 at 20 days before sowing. Also, the chemical properties of the tested soil with BC after corn harvesting were significantly improved than those in the other treatments. In particular, soil pH and CEC regardless of application conditions were markedly increased by 0.04~0.19 units and 0.08~2.58 coml c kg -1 in BC treatments than without BC treatments. Additionally, combined application of BC and IF had greater effects on corn growth than single application of BC. Therefore, the results suggest using properly BC application conditions and a combination of BC and IF for effective corn cultivation in an upland field.

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“…무기질비료는 농경지에 시비될 경우 작물이 쉽게 흡수할 수 있는 반면에, 축적될 경우 토양환경 및 수질환경을 오염시킬 수 있는 오염원으로 작용되고 있지만, 현재 우리나라는 OECD 국가 중 에서 단위면적 당 무기질비료의 사용량이 가장 많은 국가로 분류되고 있다 (Kim et al, 2012). 이러한 측면에서 농가 에서는 무기질비료의 사용량을 줄이고, 토양비옥도를 개선하기 위해 녹비작물을 많이 이용하고 있으며, 재배면적도 증가되고 있다 .…”

Section: Introductionunclassified

Effect of Incorporation Levels of Green Manure Crops on Rice Yield and Soil Chemical Properties

Kang¹,

Seo²,

Cho³

2017

Korean J. Soil. Sci. Fert.

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Evaluation of Nitrogen and Phosphorus Balance in Green Manure-Rice Cropping Systems without Incorporation of Green Manure Crops

Cited by 8 publications

References 6 publications

Evaluation of the Crop Yield and Nutrient Balance by Application of Liquid Manure in Paddy Soil

Evaluation of the Crop Yield and Nutrient Balance by Application of Liquid Manure in Paddy Soil

Selection of Optimal Application Condition of Corn Waste Biochar for Improvement of Corn Growth and Soil Fertility

Effect of Incorporation Levels of Green Manure Crops on Rice Yield and Soil Chemical Properties

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