Rice (Oryza sativa L.) is a principal source of food for more than half of the world population,
especially in South and Southeast Asia and Latin America. Elsewhere, it represents a high …

Weed competition is a major constraint in all the rice production systems in Africa. In addition
to the costs of weed control, weeds account for yield losses estimated to be at least 2.2 …

The weed-rice ecological relationship is very complex and dynamic. Weed distribution and
successions are always affected by management and environmental factors. Weed …

Over 30 root and shoot growth traits of nine diverse rice cultivars (cvs) grown under
competitive conditions were analyzed to exhaustively quantify cv differences and identify …

Aerobic rice production systems, wherein rice is dry-sown in non-puddled soil and grown as
an upland crop, offer large water savings but are subject to severe weed infestation. Weed …

Rice production symbolizes the single largest land use for food production on the Earth. The
significance of this cereal as a source of energy and income seems overwhelming for …

High weed infestation is a major constraint to widespread adoption of direct seeding of rice
(Oryza sativa L.) The experiments were conducted in 1998 wet and 1999 dry seasons in the …

When savannas in Latin America are brought into cultivation, rice (Oryza sativa L.) can be
sown with the perennial grasses palisadegrass [Brachiaria brizantha (Hochst. ex A. Rich) …

Field studies were conducted to compare the barnyardgrass suppression by four US
('Starbonnet','Kaybonnet','Lemont', and 'Cypress') and three highly competitive, high-yielding …

Water shortage in drought-prone rice-growing areas of the world is threatening conventional
irrigated rice production systems, in which rice is transplanted into fields where standing …