The negative correlation of the dry matter production to the age class of rhizome indicates level of significance ( p < 0 . 05 , po . ol ) in leymus chinensis , calamagrostis epigeios and c . rigidula populations 羊草、牛鞭草和硬拂子茅种群根茎的干物质积累量与龄级间的负相关关系达到显著和极显著水平。
Under the condition of indoor storage the storage period of one month had not significant effect on germinative rate , but the storage period beyond two months , could have very significant effect 在一般室内贮藏条件下，贮藏期1个月对小麦包衣种子的发芽率影响不显着， 2个月以上，对包衣种子发芽率影响极显著。
The variance of seed setting density and 1000 - seed weight of the different diploid seed plants is highly significant , but it is not significant in the different source of the same line 不同品系的二倍体种株材料在结实密度和千粒重之间的差异性也分别达到0 . 01的极显著水平，但同一材料的不同母根之间差异性是不显著的。
The ratio of the maximum of biomass ( treated by pig manure ) to the minimum ( treated by znso4 ) was 2 . 38 . it also showed that the biomass would decrease when added cd but dramatically increase when added compost , 719 ” ” （ n 26 ） ，都呈极显著正相关，其次是水溶态和碳酸盐结合态，呈显著正相关，偏相关系数在0
The dry matter of peanut in flowering and fruiting stage were all increased by the application of b or / and mo , and was necessary for high yield of peanut 硼、钼配合施用可显著或极显著提高花生叶片的叶绿素含量和光合强度，提高植株的乾物质积累量，促使其花期提前，促进营养生长向生殖的转移，从而极显著地提高花生的产量。
All parameters exhibited spatial correlation except for soil ph . soil total n and organic matter , spad , lai and spad lai were all positively correlated to rice yield 发现除土壤ph值外的其它土壤特性、作物长势和产量都表现出空间自相关性，达到中等及以上强度；土壤全氮、有机质、 spad 、 lai 、 spad * lai与产量均达到极显著正相关。
In addition to that , there is remarkable difference among different types of schools . the degree of test anxiety is very closely related to the families of violent atmosphere 研究同时发现，不同类型学校学生的考试焦虑程度存在着极其显著的差异；考试焦虑分与艾森克个性问卷中的神经质维度有极显著的正相关，且主要与暴力型家庭氛围有关。
Of the three factors , the difference between two hybrids was greatest ; compared with ' luyu 2 " , " yedan 12 " gained yield increase by 896 kg / ha in average with an increase rate of 11 . 0 % , the difference was very significant 三个因子中，两个杂交品种间差异显著；比起鲁玉2号来，掖单12平均籽粒产量增多896公斤/公顷，增产幅度11 . 0 % ，差异极显著。
In hematology and blood biochemistry alt , crea and glu were evidently increased . ca was reduced . all of them have significant differences ( p < 0 . 05 or 0 . 01 ) compared to the controls 染毒结束后，血液生理生化检测发现：氟吗啉2 . 165mg l浓度组淋巴细胞( ly )数量急剧增加， alt 、 crea 、 glu值增高， ca值减小，与对照组相比均有显著或极显著差异。
