Rice Seedling Raising and Mechanical Transplanting: A Review and Perspectives

Abstract

The mechanical rice transplanter presents promising solutions for ensuring the timely planting of young seedlings, addressing labor shortages, and increasing cropping intensity in rice production. A key factor for successful mechanized transplanting is mat-type seedlings, which are essential for seamless operation. Mechanized seeding offers an efficient alternative for large-scale rice farms, significantly reducing labor requirements while enhancing uniformity. This paper explores crucial aspects of seedling raising, including seedling density, plant height, age, stem thickness, and growth base material. It also provides a comparative analysis of traditional methods for cultivating and transplanting rice seedlings, outlining their respective advantages and limitations. The review highlights current practices and challenges in adopting mat-type seedling techniques. Utilizing a mechanical rice transplanter with mat-type seedlings presents unique opportunities to advance rice mechanization. Key benefits include timely planting, lower planting costs, increased crop yields, and reduced labor demands. The study proposes strategies to make mat-type seedling techniques more accessible and cost-effective for rice farmers, ultimately positioning mechanical transplanting as a viable pathway to sustainable rice production in Bangladesh.