1.An optimum planting density must be employed to get a high yield, depending upon soil condition, varietal tillering ability, fertilizer level, number of plants per hill, and planting season.
2.Starting from the year with real income, foreign investment enterprises engaged in legal development of barren hill,land and water surface, or in planting, breeding,forestry and gardening,will be exempted from agricultural tax and the tax for agricultural, forestry and special products.
3.Transforming Chinese pine forest on a hill into the mixed forest, the annual forest output can be obtained 190 kg/mu Planting mixedly sallow thorns, a nitrogen-fixing bush, among the rows of poplars on the flood land, the annual forest output can be obtained 325 kg / mu.
4.To complement the major annual planting programme in parks and highways, some 1 400 standard trees and 20 000 saplings were planted along streets and on hill slopes respectively in order to make the city greener.
