HomeInternational Rice Research Notesvol. 30 no. 1 (2005)

A modeling approach to optimize nitrogen dose for drum-seeded wet rice

E. Subramanian | G. James Martin | C. Kailasam

Discipline: Chemistry, Agriculture



Nitrogen is critical in any fertilizer management program for rice as it plays an important role in realizing the yield potential of high-yielding varieties (Budhar and Palaniappan 1996). As a cereal, rice is highly responsive to N application. In India, transplanting has been the traditional system of crop establishment, but cultivation of wet-seeded rice is gaining momentum because of high demand for labor during peak seasons for transplanting and availability of water for shorter periods. The N dose for wet-seeded rice is currently the same as that applied in transplanted rice. Our investigation was conducted to find the optimum N dose for drum-seeded wet rice.