摘要
本文测定了陕北黄土丘陵沟壑区8种树叶和9种灌木不同生长期的营养成分(一般成分、微量元素、氨基酸),对它们的营养价值作了定量计算并分析了饲用价值,从理论和实际应用上阐述了开发林副产品的合理性。作者认为,林副产品饲料营养成分丰富,饲用价值较高,而且收集容易成本低,因此具有较高的开发利用价值。
Nutritious components of 8 varieties of leaves and 9 varieties of shrubs in different growing stages are measured in gullied-hilly loess area of North Shaanxi Province, which include the general components, trace element and amino acid.Through quantitatively culculating their nutritious values and analysing their values for feeding , the author sets forth the reasonableness of forest by-product exploitation in theory and practice. The author also points out that forest by- products used for forage are rich with nutritious components, its value for feeding animals is high,and it is easy and inexpensive to collect,so the forest by-product has a high value in exploitation and use.
出处
《中国水土保持》
北大核心
1990年第1期28-31,36,共5页
Soil and Water Conservation in China
