The Afforestation Effects of Different Soil Preparation on the Limestone Mountainous Region
Abstract: In order to improve the survival rate of afforestation, and increase forest stand growth as well as afforesting the barren land as soon as possible, we chose a typical drought and poor limestone area as our forestating tests with different soil preparation methods (In Huangjiashan, Shiguyuan Township, Jindong Managing District, City of Yongzhou). The survival rate, new treetop growth in early days after plantation of 5 planting techniques and 9 tree species on the dry and barren land in the mountainous region were studied, using scale-shaped pit soil preparation, level step soil preparation, level trench soil preparation, method terraced field and hole shape soil preparation. The result showed that soil preparation selection has a great influence on the survival rate and the new treetop growth on the dry and barren land in the mountains region afforestation, and also has a very significant impact on the afforestation survival rate of eucalyptus and the growth of new shoots of Chinese fir, cedar, slash pine, pine, superba, Liquidambar, Du Ying, eucalyptus and alder. The level trench soil preparation method got the best afforestation effect, compared with the worst one with hole shape soil preparation method. Cypress afforestation survival rate is 95.7% with the former method while 88% in the latter way. The two differs by 7.7%. New shoots of pinus elliottii reached 43 cm by using the former method, compared with 20 cm in the latter one. The two differs by 23 cm—the latter is only 46.5% of the former. Sorting from afforestation effect in order is: level trench soil preparation > method terraced field > level step soil preparation > scale- shaped pit soil preparation > hole shape soil preparation.
文章引用: 谢红梅 , 柏劲松 (2015) 石灰岩山地不同整地方式对造林效果的影响。 林业世界， 4， 29-34. doi: 10.12677/WJF.2015.43006
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