1.
The Performance of Slash × Caribbean Pine F 1 Hybrids
湿地松×加勒比松种间杂交子代表现
2.
ON THE BREEDING STRATEGY OF CARIBBEAN PINE IN GUANGDONG PROVINCE
广东省加勒比松遗传改良策略的探讨
3.
EFFECTS OF LITTER IN PINUS CARIBAEA STANDS ON RUNOFF AND NITROGEN AND PHOSPHORUS LOSSES
加勒比松林凋落物对地表径流和氮、磷流失的影响
4.
The dynamic change of genetic parameters for growth traits of the first generation hybrids of Pinus taeda×P. caribaea in six years
火炬松×加勒比松F_1代生长性状遗传参数的动态变化
5.
Hydrology and Aerography Changes in Pinus caribbean Forests and on the Edge of the Forests in Middle Rainy Season in Yuan-mou
元谋雨季中期加勒比松林林分水文气象研究
6.
Developing Pinus elliottii, Making Pine Rosin Industry Bigger,Increasing Farmers’Revenue and Promoting Balance of Ecology
发展湿地松 做大松香产业 增加林农收入 促进生态平衡
7.
Studies on Technology about Tissue Culture Propagation of Pinus Elliottii, P. Taeda and P. Thunbergii;
湿地松、火炬松和黑松的组培繁殖技术研究
8.
Study on Cuttage and Cutting of Needle Fascicles of Pinus Tabulaeformis and Pinus Elliottii;
油松、湿地松的枝插和针叶束插的研究
9.
I could have stayed away and had an easy time of it by not entering for the university level contest.
我本来可以置身事外，不参加本次校际比赛，轻轻松松地过日子。
10.
Research of Pinus massoniana and P.elliottii×P.oaribeea seedlings with Light Growing Media and Degradable Container
马尾松和湿加松轻基质网袋容器育苗试验
11.
Forest development type design in close-to-nature forest management of caribbean pine plantation
加勒比松人工林近自然化改造中的发展类型设计
12.
Effect Comparative Experiment on the Different Seedling Species of Slash Pine and the Land Preparation Methods at the Initial Stage of Afforestation
湿地松不同苗木类型与整地方式造林初期效果对比试验
13.
In Vitro Culture and Plantlet Regeneration of Slash Pine and Loblolly Pine;
湿地松、火炬松离体培养植株再生技术的研究
14.
The improving effect of shallow ploughing and deep digging to low-wet soil was studied in this paper.
本文通过大区对比法对浅翻深松改良低湿耕地的效果进行研究。
15.
Cutting Effect on 1-year-old Stock Plant of Slash Pine×Caribbean Pine Hybrids
湿加松一年生母树萌条扦插效果分析
16.
Study on the Growth Variance and Selection of Young Forests of Pinus elliottii×P.caribaea Different Families
湿加松不同家系幼林生长变异及选择
17.
Study on Cutting Orchard Management of Slash Pine×Caribbean Pine F_2 Hybirds
湿加松F_2代采穗圃修剪促萌试验
18.
The Relationship Between NDVI,Stand Age and Terrain Factors of Pinus elliottii
湿地松NDVI与林龄、地形之间的关系