In 1992,the government of Brazil presented nine crop varieties to China.One of them is Brazil up-land rice IAPAR9.It was evaluated for commercial usage in China by China National Rice Re-search Institute(CNRRI).From 1...In 1992,the government of Brazil presented nine crop varieties to China.One of them is Brazil up-land rice IAPAR9.It was evaluated for commercial usage in China by China National Rice Re-search Institute(CNRRI).From 1993 to 1997,IAPAR9 was planted in Jiangxi Province in large area successfully.The展开更多
文摘In 1992,the government of Brazil presented nine crop varieties to China.One of them is Brazil up-land rice IAPAR9.It was evaluated for commercial usage in China by China National Rice Re-search Institute(CNRRI).From 1993 to 1997,IAPAR9 was planted in Jiangxi Province in large area successfully.The