A review on maize-finger millet relay cropping in hills of Nepal: Prospects and constraints
2021
Dipika Parajulee | Sangam Panta
Maize (Zea mays) and Finger millet (Elusine corocana) are two key staple crops grown in the hills of Nepal. These crops are planted in a relay intercropping system developed by farmers since the dawn of time. The unique example of cereal-cereal intercropping with its cropping system and cropping pattern at different altitudes is reviewed along with the yield comparison of direct-seeded and transplanted finger millet with maize. Relay cropping is the planting of second crop in the same land area before the harvest of first crop with the goal of higher productivity by sharing the available resources. Considerable research has been done on maize and millet but there has been a limited approach to their cropping system. This paper reviews the existing system of cropping, its prospects, and its constraints. The prospects of maize/finger millet cultivation are pronounced in the form of yield increment, economic and efficient use of available resources, insurance against crop failure, and reduced insect, pest, and weed incidence. Although this cropping system has benefits, it exhibits limitations as well which are competition between crops, lack of suitable varieties, labor-intensive system, and soil-nutrient loss. As maize and finger millet are the main food crops in hilly terrain, it is urged to provide the focus and encouragement regarding their sustainable and modern approaches by developing and disseminating crop growing and management technologies.
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