Hardy 'elephant' or Napier grass has proved to be a cheap and nutritious fodder for livestock in poor and drought-prone areas of India.
Once thought to be waste, rice husks now can be used as clean, cheap fuel for developing countries.
Although commodity prices for a wide range of crops have fallen by as much as 50 percent from record highs in June, the financial crisis is expected to make food shortages dramatically worse.
A top rice importer last year, Indonesia's government is allocating more land to grow it and other food crops.
Amid expectations of a record harvest, prices decline. Cambodia lifted its export ban this week.
The rice-exporting country has seen a dramatic rebound thanks to years of agricultural research.
Tight supplies reflect population boom and neglect of farming.