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Effect of Different N,P,K Concentrations and Combinations on Absorption of Mineral Elements and Vegetative Growth of Oncidium(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2014年15期
Page:
85-87,88
Research Field:
Publishing date:

Info

Title:
Effect of Different N,P,K Concentrations and Combinations on Absorption of Mineral Elements and Vegetative Growth of Oncidium
Author(s):
ZHENG　Yan; ZUO Yu; BAI Ting-yu; LI Hua-dong; LIN Dian
College of Agriculture,Hainan University,Haikou,Hainan 570100
Keywords:
N; P; K; mineral element content; vegetative growth
PACS:
S682.31
DOI:
-
Abstract:
Taking Oncidium ‘Golden 3’ as test material,by orthogonal experimental design,at different levels of NPK fertilizer,the mineral element content and nutritional status of Oncidium‘Golden 3’ were studied.The results showed that N1,P2,K2 were conducive to the absorption of mineral elements in pseudobulb.N2,P2,K2 were conducive to the absorption of mineral elements in leaves.Different levels of N fertilizer had little effect on the content of mineral elements in roots.P2,K1 were conducive to the absorption of mineral elements in roots.Different treatments and different levels of NPK fertilizer showed a significant impact on the vegetative growth of Oncidium ‘Golden 3’.N2 or N3,P2,K1 were most conducive to the growth of the aboveground part.Based on the above analysis of the results,N2 (200 mg/L),P2 (100 mg/L), K1 (110 mg/L) were most conducive to Oncidium ‘Golden 3’ growth.

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Last Update: 2014-09-20