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- The transpiration of trembling aspen, Shaw, swamp forests were higher (162.6-165.9 mm); hag, birch, larch plantation were lower (150-153.2 mm). 在总蒸腾耗水量方面;以山杨林、杂木林、白桦-落叶松沼泽林较高;为162.;6-165
- Optimum density of larch plantation 落叶松人工林最适密度的探讨
- Relationship between soil acidity and nutrient in larch plantation 落叶松人工林土壤酸度质量与养分关系研究现状及趋势
- Consideration Of Short Regulatory Rotation Age Of Larch Plantation 关于落叶松人工林短轮伐期经营的思考
- The Effects of Thinning on Stand Structure for Larch Plantation 间伐对兴安落叶松人工林林分结构的影响
- Cultural operations of larch plantation for commercial wood 落叶松人工商品林的培育与经营
- Keywords Neural network;larch plantation;wood quality;forecast; 神经网络;人工林落叶松;木材材质;预测;
- For larch plantations on the abrupt slope, the operation productivity of animal-chute skidding is better than that of animal skidding. 对于陡坡的落叶松人工林,畜力-滑道集材生产率要优于畜力集材生产率。
- Regeneration trials by coniferous species in cut-over area of larch plantation 人工落叶松采伐迹地更新针叶树种试验
- With potential acidity increasing, total organic phosphorus, moderately resistant organic phosphorus, and highly resistant organic phosphorus in larch plantations decreased for all stands. 随著土壤潜性酸度的增加,各年龄阶段森林土壤有机磷总量、中稳性有机磷和高稳性有机磷含量降低。
- Larch has small cones and needle-like leaves. 落叶松长着球果和针形的叶子。
- There were hundreds of slaves in the plantation. 这个种植园里有数百名奴隶。
- Effects of thinning on species diversity and composition of understory herbs in a larch plantation 间伐对落叶松人工林内草本植物多样性及其组成的影响
- Effect on Growth Response to Fertilization in the Young Japanese Larch Plantation 日本落叶松矿柱材幼林施肥长期效应
- He once owned a cotton plantation. 他曾拥有一个棉花园。
- Larch plantation 落叶松人工林
- A hothouse or plantation where pineapples are grown. 菠萝种植园菠萝生长的温室或园林
- A Research Into the Change of Solid Factors in Larch Plantations 落叶松人工林土壤因子变化规律的研究
- Study on the Change of Soil Nutrient Contentof Larch Plantations 落叶松人工林土壤养分含量变化的研究
- Larch Manshan verdant, lush Cangjin. 落叶松满山青翠,苍劲繁茂。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries