South Korea: Italian ryegrass and rice double-crop; which rice variety to choose?

Published 2022년 5월 6일

Tridge summary

The Rural Development Administration of South Korea has endorsed the cultivation of Italian ryegrass (IRG) in paddy fields, followed by rice, a practice known as double cropping. A study conducted from 2019 to 2021 found that this method can enhance rice yield and quality. However, excessive fertilization or compost during forage crop cultivation can lead to issues like rice instability. The administration suggests using specific rice varieties for this double-cropping system. This approach is particularly favored by livestock farmers due to the high feed value of IRG and its resilience to moisture.

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Original content

Recently, double cropping, which involves cultivating forage crops such as Italian ryegrass (IRG), rye, and oats in paddy fields, followed by rice, is increasing mainly in livestock farms. In particular, Italian ryegrass has high productivity and feed value and is preferred by livestock farmers because it is liked by livestock. It is also strong against moisture, so it is the most cultivated forage crop in paddy fields. The Rural Development Administration recommended the mid-season and the mid-late crop as suitable rice varieties for double-cropping Italian ryegrass-rice. This was announced after the Rural Development Administration conducted a study on ‘quantity and quality-related characteristics in the Italian ryegrass-rice double-cropping system’ in the test field of the Southern Crop Department in Miryang, Gyeongsangnam-do from 2019 to 2021. The rice to be tested were , 4 mid-season varieties grown in the ...

Source: Nongmin