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Effect of Different Fertilization Treatments on Seedlings Growth of Calotropis gigantean L.(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2014年19期
Page:
179-182
Research Field:
Publishing date:

Info

Title:
Effect of Different Fertilization Treatments on Seedlings Growth of Calotropis gigantean L.
Author(s):
LIU Peng; YE Wei-yan; LIU Hui-min; WANG Lian-chun; YUAN Xiao-hui; ZHANG Rui
College of Forestry,Southwest Forestry University,Kunming,Yunnan 650224
Keywords:
Calotropis gigantean seedling; fertilization; growth
PACS:
S 567.1+9
DOI:
-
Abstract:
Taking Calotropis gigantean seeds as materials,the trial was designed by orthogonal L9（34） of N,P,K nutrients and three levels respectively in this study.The effect of these nutrients and their levels on growth of seedling height and ground diameter of Calotropis gigantean L.were studied and the best fertilization method was determined.The results showed that there were high significant differences among different fertilization treatments during the 105 days,the treatment 6 (N 2.50 g/plant,P 2.25 g/plant,K 1.0 g/plant) was the best indicator of height,was 3.7 times the control group；the treatment 3 (N 1.25 g/plant,P 2.25 g/plant,K 1.5 g/plant) in diameter best indicator was 1.95 times the control group,and highest significant among the treatments.The ordination of fertilization effect on growth of seedling height and ground diameter of Calotropis gigantean L.was N＞P＞K，and the treatment N 2.50 g/plant，P 2.25 g/plant，K 1.5 g/plant showed the best fertilization and the highest significant among the treatments.

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Last Update: 2014-11-26