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Rice is produced in landscapes that range from extreme monocultures to highly diverse areas. Tropical rice fields often have a great diversity of naturally occurring arthropod groups that function as predators and parasitoids. At least 200 species of parasitoids and 150 species of predators live in this environment....

(Photo: IRRI) Rice is often produced in the lowest parts of the landscape. These are good places to grow rice because of the clayey soils and the relatively...

Map 2. Distribution of rainfed lowland rice soil quality area in Asia. Each dot is colored to represent the assumed dominant soil class. (Photo: IRRI) Rainfed...

Relative rice yields for irrigated versus rainfed lowland (flat, flooded fields) conditions for variety IR72 computed with the ORYZA2000 simulation model....

Percentage of households buying rice, at any time of the year 2007, in communes of Madagascar. (Photo: IRRI) Percentage of households buying rice, at any...

The Asian exception: irrigation (Photo: IRRI) The availability of water is a fundamental requirement for crop growth. In many places, rainfall is scant...

(Photo: IRRI) Cartograms are maps on which areas are altered to reflect the subject of interest. They accentuate patterns, making it easier to understand...

At time of printing, US$1 = 7.52 Chinese yuan. (Photo: IRRI) Between 1979 and 2005, rice area in China decreased from 32.4 to 28.8 million hectares. At...

Where and how rice is grown is crucial information for determining research priorities. (Photo: IRRI) Rice is grown in more than 100 countries. According...

(Photo: IRRI) To develop effective poverty reduction strategies, we need to understand what the geographic patterns of poverty are, and what causes these...