preparation of soil sample 土样制备
tobacco preparation of soil 烟草整地
finish of preparation of soil 整地完成
union preparation of soil machine 联合整地机械
method of soil preparation [林] [农学] 整地方法
The study combinate with survey and field test and plot survey and location position survey and qualitative analysis and definite quantity analysis. Applied to dynamic programming and regression analysis on control site and selecting of high quality provenance and family and method of preparation of soil and nursery and original density and thinning method and character of making pulp wood and construction wood of planting industry plantation of slash pine.
本研究以调查研究与田间试验、固定标准地与临时标准地调查研究相结合、定性分析与定量分析相结合，运用动态规划、回归分析方法对营造湿地松工业人工林的立地控制、优质纸浆材建筑材种源、家系选择、造林整地与抚育方式、初植密度、间伐作业模式、纸浆材与建筑材特性等方面进行了深入研究。
参考来源 - 湿地松纸浆与建筑材林定向培育技术研究·2,447,543篇论文数据，部分数据来源于NoteExpress
The paper plays emphasis on the preparation of soil-lime construction and the problems correlative to quality control in construction, and expounds solutions for problems.
重点介绍石灰土施工准备及施工过程中质量控制的相关问题，阐述了解决问题的办法。
Foresters might leave patches of previous stands for animal habitat as the next stand grows, or tighten up soil preparation to reduce erosion.
林业工作者应在第二排生长起来时在前排留下一些供动物栖息的空地，或是紧实土壤为减少侵蚀作准备。
Serious soil preparation wants before afforestation, keep clear of and reduce rat kind concealment place and food source.
造林前要认真整地，清除和减少鼠类隐蔽场所及食物来源。
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