This paper deals with the biocycling characteristics of 11 nutrient elements of artificial Trifolium pratense grassland in high mountain region of northern subtropical zone of China.
本文研究了我国北亚热带高海拔地区红三叶人工草地11种营养元素的生物循环特征。
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On basis of location, water dynamic, nutrient loading, red tides are classified as six types of estuary type, bay type, culture zone, coastal water type, upwelling type and open sea.
The result showed that the homogeneous degree of the soil nutrient was increased, the variability of spectral index and the yield were reduced in the management zone divided by soil data.