关键词: 棉花, 棉花, 酶促抗氧化系统, 抗氧化, 逆境胁迫, 响应

Abstract:

On the background of demands for ecology construction and development stockbreeding in Qinghai, the grassland construction, the amount of domestic animals, the yield of livestock product and major factors which restrict the development of stockbreeding are analyzed in the paper. The results show as follows. The actuality of stockbreeding in Qinghai province embodies that the area of artifical grassland continuously increase, but its portion is little. At the same time the amount of small stock, such as pigs and sheep, is enhancing, and the amount of big stock is decreasing. The output of livestock products continuously advance. Major factors restricted the development of stockbreeding include the outstanding conflict among grass and livestock, lower level in science and technology, wide and draggle management, absence in large corporation and the lower degree of industrialization. On the base, the sustainable development stratagem include planting artifical grassland, nurturing in curve, breeding fine strain, changing structure of livestock group and advancing industry.