Schafer said it had rallied support for "expanded food production ... trade liberalisation and recognises the important role of investments in science and technology in ensuring food security in the long term".
BIOFUELS FEATURED
Cuba and allies Venezuela and Argentina objected to the declaration which Cuban delegate Orlando Requeijo Gual said "neglects the vital needs of those who suffer from hunger".
He hit out at the "sinister strategies of using grain for fuel", a reference to biofuels, which critics say divert crops from food to cars.
The United States and Brazil defended using maize and sugar cane respectively to make ethanol to fuel cars, saying it is a minor factor in food price inflation. The declaration referred to both the "challenges and opportunities" of biofuels.
An international producers' group welcomed this, calling biofuels a sustainable solution to food and energy security.
Commodity prices have doubled over the last couple of years and the World Bank says 100 million people risk joining the 850 million already going hungry.
The Organisation for Economic Cooperation and Development sees prices of rice, corn and wheat retreating from peaks but still up to 50 percent higher in the next decade and the FAO says food output must double by 2050 to meet demand.
The Rome summit was not meant as a fund-raiser but followed large food aid pledges including $1.5 billion from the Islamic Development Bank, $1.2 billion in World Bank grants and loans and $500 million from Saudi Arabia to the World Food Programme.
Oxfam's Barbara Stocking said these donations meant it was "a mistake to dismiss this summit as a waste of time" but added that the Group of Eight rich nations face "a credibility crunch" at July's Japan summit and must show this is all new money.
"Good ideas in Rome need to be followed by cheques in Japan," she said.
