摘要
发展营养体农业可以发挥植物生长的各方面优势 ,充分利用植物的逻辑斯蒂生长规律 ,对光照强度的要求不高 ,对气候和土地资源的时间匹配性要求不严 ,能够减少漏光现象 ,提高光能利用率 ,容易避开主要病虫的危害 ,其生物量和经济产量较高 ,营养价值好 ,生产潜力大。在光照不足或热量不足的地区 ,发展营养体农业生产是对传统籽实农业系统缺陷的矫正 ,它可扬长避短 ,更充分地利用气候资源、土地资源和生物资源 ,使生物量和营养物质产量大幅度提高。在我国农业可持续发展中 ,对促进草业发展 ,解决因人畜共粮而导致的饲料粮短缺问题 ,促进农业结构调整 ,促进生态环境建设 ,促进现代化农业等方面 。
Vegetative agriculture is one of agricultural production systems with the main aim of harvesting vegetative organs or tissues of plant such as herbages of forage crops, green fodders, vegetables and ornamental plants. Compared to the conventional crop production system with the main aim of harvesting grains vegetative agriculture has less strict requirements of light intensity, temperature and rainfall and has longer growing season available for the crops during a year. Therefore, vegetative agriculture normally has higher crop yields and better economical returns than grain agriculture by use of local climate, arable land and biological resources more rationally. This is especially so in the regions where are not very suitable for grain productions due to less sunshine hours or lower daily temperatures than the crop required during the growing season. Vegetative agriculture will play more important role in promoting grassland livestock production, improving ecological environments and enhancing agricultural sustainability in China.
出处
《草业学报》
CSCD
2002年第1期65-69,共5页
Acta Prataculturae Sinica
