farm soil
6.STUDIES ON THE CHLOROStS AETIOLOGICAL FACTORS OF CUNNINGHAMIA LANCEOLATA IN THE FOREST FARM OF HONGYA, SICHUAN Ⅰ. Leaf reacting with the determination and analysis of soil factors
10.Based on the fixed-position observations from 1980 to 1990 on Lilo forest farm of Longsheng county, Guangxi, the natural moisture constitution in 23 to 33 years old Cunninghamia lanceolata artificial forest ecosystem is 17. 2 mm at tree synusia, 0. 1 mm at shrub synusia, 0. 9 mm at herb synusia, 0.2 mm at litter layer, 354.7 mm at soil layer, and taking up 4.61 %,0.03%, 0.24%, 0.05% and 95. 07% of the total moisture respectively.

