Abstract ［Objectives］ This study was conducted to select superior maize combinations.　　［Methods］With the control maize var......

云南昭通市东北郊箐门出露了一条比较完整的泥盆纪浅海相地层剖面,下、中、上三个统均有出露,浅海底栖生物化石丰富,研究基础也相......

Ecological shelter zones reconstruction is an ecosystem restoration and conservation project aimed to the ecological saf......