Rising fertilizer prices and misperceptions about environmental degradation in intensive agriculture have stimulated claims that so-called “low-input” technologies relying on organic nutrient sources may provide a more sustainable means of producing food crops and increasing farmers’ income. However, the sole use of organic technologies would likely perpetuate food...

Viput Wanglee (left) and his brother Vuttiphol, assistant to Chaitip’s managing director for production, examine the company’s premium quality Thai...

In the late 1960s, newly developed, high-yielding rice varieties launched the Asian Green Revolution, which rapidly pushed up yields and allowed rice production to keep pace with population growth. In the Philippines, as in many other countries, widespread use of pesticides expanded in step with the new varieties. This was largely due to concerns that crop losses from...

(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...

On a steaming hot Beijing day in August 2007, a group of researchers from China Agricultural University (CAU) visited their experimental station on the...

Rice is the staple food for around two-thirds of the Chinese people. China ranks first in annual total rice production (about 185 million tons) and second, after India, in annual total planting area (29 million hectares). The country produces 35% of the world’s rice with 20% of the planting area. Rice production in China has more than tripled in the past five decades...

IRRI Board member Ruth Oniang‘o admires a Nerica plant. (Photo: R.V. Raman) According to the latest figures from the Food and Agriculture Organization...

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

Nitrogen (N) is without doubt the nutrient that most limits rice production. It is typically required in greater quantities than any other nutrient if...