The Breeding and Application of New Maize Variety Longfuyu No.4 with Early-mature, Good-quality and High Yield;

Jiyu4had many features,such as resistance disease,high yield,living maturity and good quality.

Study on Maize Productivity of Huayu No.4;

Necessary Technology Researches and Demonstration of Corn New Variety Luoyu No.4;

Breeding and application of new maize variety——Biyu No.4

Selection and High-yield Cultivation Techniques of a New Maize Variety Longyu No.4 ;