Ways and Mechanism of Plant Polyploid Formation
zeng zhengming(rice and sorghum institute; sichuan academy of agricultural sciences; luzhou; 646100); guo qigao(agricultural university of southwest china; chongqing; 400716)
Control of Nitrite Content in Salted Meat
hu mao; wu zhaoming(mianyang college of economy and technology; mianyang; 621000); jiang yahui( mianyang breeding stock farm; mianyang; 621000)