辽西地区油松秋季植苗造林的调查研究

来源 :辽宁林业科技 | 被引量 : 0次 | 上传用户:congrorm
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
一、秋栽油松是可以成功的辽西地区油松多在春雨两季栽植,秋季则因为没有成功的把握而很少利用。近年来,有些林场和社队,为加快造林进度,开展了秋栽油松的试验,收到了一定的效果。尤其无产阶级文化大革命以来,广大贫下中农和革命群众,遵照伟大领袖毛主席关于“绿化。凡能四季种树的地方,四季都种。能种三季种三季。能种两季种两季。”的0教导,战天斗地为加速绿化祖国而闯难关、攻尖端,更多的林场和社队,在科学分析的基础上,采取了有效的措施,进行了大面积的油松秋季植苗造林,获得了良好的效果,有的林场、社队则几乎连年取得成功(如表1),并积累了丰富的经验,综合辽西各地的实践经验,证明秋栽油松是完全能够成功的,秋季是栽油松的可靠季节。 First, autumn planted Chinese pine is successful in the western Liaoning pine planted more in the spring and autumn seasons, autumn is rarely used because there is no successful grasp. In recent years, some forest farms and communes and brigades and teams have carried out the test of Pinus tabulaeformis in autumn in order to speed up the progress of afforestation and have received some results. Since the Great Proletarian Cultural Revolution, the vast majority of the poor peasants and middle peasants and the revolutionary masses have followed the example of the great leader Chairman Mao on “afforestation.” Where the trees can be planted in all seasons, all seasons are planted. In the scientific analysis, based on the scientific analysis, effective measures have been taken to carry out a large area of ​​Pinus tabulaeformis plantation in autumn, obtained the Good results, and some forest farms, communes and brigades are almost year after year success (Table 1), and has accumulated rich experience, comprehensive practical experience across the western Liaoning Province to prove that planted Pinus tabulaeformis is completely successful, autumn is the oil Reliable season of pine.
其他文献
在北方,家家户户都爱种石榴,我家的院子里也有一株石榴树.rn百度上说,石榴是张骞从西域引进的.从汉代开始,石榴就在中国安家落户了.中国人视石榴为吉祥物,认为它是多子多福的
期刊
粉墨佳年华培养的不仅是优秀的艺术人才,更是全方位提高青年艺术家素质、修养、人脉的绝佳机会,也渐渐培养了一批青年观众。粉墨佳年华,是一场青春的欢聚,艺术的盛宴。自2007
江苏省委、省政府结合对口援建工作实际,从实现优势互补、促进共同发展的长远战略考虑,积极探索建立输血与造血相结合的对口援建长效合作机制,为极重灾区绵竹留下了一台永不停歇的“发动机”。    “东汽虽然迁走了,但工业园又红火起来了,我们村过去在厂里上班的村民,以后又可以就近务工了。”随着永大、天奇等多家企业陆续入驻,汉旺镇青龙村党支部书记陈国治又对未来的生活充满了信心。  10月15日,就在江苏省与绵
请下载后查看,本文暂不支持在线获取查看简介。 Please download to view, this article does not support online access to view profile.
建构主义教学理论认为,学生的知识意义建构不是由老师的传授获得的,而是学生借助一定的学习材料、学习工具,在学习伙伴的帮助下获得的。初中思想品德教学的有效性保证,主要在
语文教师要成为“平等中的首席”,首先要走出认识误区,把握住“平等”的度,站稳“首席”地位.rn误区一:课堂上,如果举手的学生不多,教师便只叫举手的同学,不喊不举手的同学,
钻天榆(又叫立枝榆)是白榆的优良自然类型.它冠形美、干形直,枝干角不超过45度.在河南7—10年生胸径可达20—25厘米,树高18—20米.比一般白榆高生长快1.5—2倍,材积生长快2—
~~ ~ ~
请下载后查看,本文暂不支持在线获取查看简介。 Please download to view, this article does not support online access to view profile.
期刊