Effects of Two Iron Fertilizings on the Growth of Zoysia matrella(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:

2012年20期

Page:

159-163

Research Field:

Publishing date:

Info

Title:

Effects of Two Iron Fertilizings on the Growth of Zoysia matrella

Author(s):

QIAN Yong-sheng¹; 2; XU Xiang-bin¹; ZHU Jiang-min¹; WU Jian-bin¹; ZHANG Xiao-qin¹; CHAI Ming-liang²

1.Department of Life Science，Hangzhou Normal University，Hangzhou，Zhejiang 310036；

2.Institute of Landscape Architecture，Zhejiang University，Hangzhou，Zhejiang 310029

Keywords:

Zoysia matrella; fertilizer; chlorophyll; MDA; CAT; green period

PACS:

S 688.4

DOI:

-

Abstract:

The investigation on the application of iron fertilizers of Zoysia matrella’s during withering stage was carried out in this paper.The results showed that the chelated iron fertilizer was better than that of inorganic iron fertilizer on the color score and homogeneity，and had a significant effect on turning green.The chelated iron fertilizer at the concentration of 4 kg/667m² was the best among the six types of fertilizers.Though the effect of inorganic iron fertilizer at the concentration of 3 kg/667m² on lawn growth was not better than that of chelated iron fertilizer，the price was affordable and it had a relative action.In the inorganic iron fertilizer study，the results showed that the best concentration treatment on lawn MDA content was Fe³⁺；in the chelated iron fertilizer study，the best concentration treatment on lawn MDA content was 3 kg/667m2 and 4 kg/667m²；at the green period，Z.matrella CAT content increased slowly.All fertilizer treatments delayed the coming of withering stage ranging from 8～28 d，and chelated iron fertilizer treatments showed better effect on the lawn brown than that of inorganic iron fertilizer treatments (P<0.05).On the view of lawn ornamental，the chelated iron fertilizer at the concentration of 4 kg/667m2 had the best effect，but the price was higher than inorganic iron.

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