Effect of Nitrogen Application on Seed Yield and Yield Components of Agropyron smithii
sun tie-jun~1; li yan-mei~2; han jian-guo~3(1.beijing research and development center for grass and environment; beijing 100089; china; 2.beijing school for the blind; beijing 100089; china; 3.institute of grassland science; china agricultural university/key laboratory of grassland vegetation restoration and reconstruction; moa; beijing 100094; china)
..............page:33-38
..............page:13-16,43
Locoweed Harm Investigation in Alasan League of Inner Mongolia
fan ze-feng; wang jian-jun; zhao bao-yu; dong qiang; da neng-tai(1.college of animal sci-tech; northwestern sci-tech of university of agriculture and forestry; yangling 712100; china; 2.alasan left banner veterinary station of inner mongolia; bayanhaote; 750300; china)
..............page:56-59
..............page:71-75,78