The conversion of elemental nitrogen into organic nitrogen or to forms readily utilized in biological processes. A procedure whereby a crop is planted directly into a seedbed, not tilled since the harvest of the previous crop. Any night-flying moth of the family Noctuidae, the larvae of which are destructive pests. A term applied to organisms that move or are active at night. Roots developing from the upper nodes when deepwater rice varieties are flooded.
Tillers arising from the upper nodes in elongated deepwater rice stems while the field is flooded.
The joint of a stem from which leaves or branches arise. The solid portion of the culm, panicle axis, and panicle branches. Leaves, tillers, and adventitious roots arise from nodes on the culm. Form of blast disease where the node becomes infected. The node rots with dark discoloration and breaks apart, remaining connected only by the nodal septum.