Journal of Food and Nutrition Research
ISSN (Print): 2333-1119 ISSN (Online): 2333-1240 Website: Editor-in-chief: Prabhat Kumar Mandal
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Journal of Food and Nutrition Research. 2021, 9(7), 342-349
DOI: 10.12691/jfnr-9-7-3
Open AccessArticle

Estimating Forage Yield and Nutritive Value of Maize-Legume Intercropping Systems in Paddy Fields During Summer

Yowook Song1, 2, Md Atikur Rahman1, Sang-Hoon Lee1, Ji Hye Kim1 and Ki-Won Lee1,

1Grassland and Forages Division, National Institute of Animal Science, Rural Development Administration, Cheonan, Republic of Korea

2School of Applied Biosciences, Kyungpook National University, Daegu, Republic of Korea

Pub. Date: July 08, 2021

Cite this paper:
Yowook Song, Md Atikur Rahman, Sang-Hoon Lee, Ji Hye Kim and Ki-Won Lee. Estimating Forage Yield and Nutritive Value of Maize-Legume Intercropping Systems in Paddy Fields During Summer. Journal of Food and Nutrition Research. 2021; 9(7):342-349. doi: 10.12691/jfnr-9-7-3


The aim of the present study was to evaluate the forage yield and nutritive value of maize–legume intercropping systems in non-cultivating paddy fields. The fields were sprayed with 210 kg ha-1 of nitrogen composite fertilizer [NPK (21-17-17)] before seeding. Maize cv. ‘32P75’ was simultaneously cultivated with two cultivars of soybean (‘Chookdu 1’ and ‘Chookdu 2’) and lablab (cv. ‘Rongai’) from 2018 to 2019 at the National Institute of Animal Science, Cheonan, Republic of Korea. After seeding, pendimethalin herbicide was sprayed on the fields, and soil and plant parameters, including soil chemical composition, plant characteristics, productivity, and feed values, were estimated. The soil in the intercropping treatments had higher nitrogen content and P2O5 utilization rate than the maize monoculture. The productivity [dry matter yield (DMY) and total digestible nutrients] of the fields under the intercropping and monoculture treatments during 2018 were not significantly different. However, the field productivity of the intercropping treatments during 2019 were remarkably higher than that of the maize monoculture; the productivity of M × S1 field was the highest (p < 0.05) among all the treatments, with 9.5% of the total DMY resulting from the intercropped soybean cultivar. Moreover, the feed value of intercropped legumes was higher than the monocrop maize stalks; the crude protein yields of M × S1 and M × S2 fields were significantly higher than that of the maize monocrop during 2019 (p < 0.05). In addition, the feed value, except crude protein content, of the treatment with intercropped lablab was higher than that with the maize monocrop. Thus, these findings provide an insight into the role of alternative cropping in improving the forage yield of paddy fields.

forage yield intercropping legume maize feed value

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