Study on the Predictive Algorithm of Plant Restoration under Heavy Metals

Table 4

Parameters’ design of experiment 2.

Item name	Information value
Plant planting duration (month)	6
Constitute	Two mountain peaks
Specific elevation of the highest peak	135.0 m
Max elevation difference	95.0 m
Slant area	30%
Heavy metal pollution level	Second level
Number of landscape zones	18
Land-use-range shape	Irregular polygon
Rainfall conditions	Autumn and late summer are relatively dry heavy rainfall in late summer and early spring
Aspect change	More obvious
Climate conditions	Long summer, shorter winter, and humid and mild climate
Frost-free season	Around 270 days
Average annual air temperature	20.5°C
Average annual precipitation	1435 mm
Average annual rainfall day	155
Wind direction	Summer is mainly south wind; mainly north wind in winter and spring
Average annual sunshine hours	1720 h
Relative humidity	80%
Cumulative temperature	5340°C
Soil sampling interval (day)	13