|Table of Contents|

Effect of Different Water Gradient and Consumption of Nitrogen Fertilizer on Growth and Production of Ipomoea akuatica Forsk.(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2015年21
Page:
163-166
Research Field:
Publishing date:

Info

Title:
Effect of Different Water Gradient and Consumption of Nitrogen Fertilizer on Growth and Production of Ipomoea akuatica Forsk.
Author(s):
(The Academy of Landscape; Shangqiu University; Shangqiu; Henan 476113)
Ipomoea akuatica Forsk.；water gradient；nitrogen fertilizer；growth；production
Keywords:
Ipomoea akuatica Forsk.; water gradient; nitrogen fertilizer; growth; production
PACS:
-
DOI:
10.11937/bfyy.201521043
Abstract:
With a cultivated variety of Ipomoea akuatica Forsk. named ‘Baihua Zi Weng’ as experiment material,in the experiment field of Shangqiu Universtity，the content of chlorophyll，the numbers of leaves and the biomass per plant of Ipomoea akuatica Forsk. under different water gradient (soil moisture content were 70%-80%(S1)，80%-90%(S2) and 90%-100%(S3) of field capacity respectively) and nitrogen fertilizer (consumption of after nitrogen fertilizer was set as：0(D0,CK)，120(D1)，135(D2) and 150(D3) kg/hm2 of 46% urea respectively) were studied.The results showed that，though water gradient didn’t have significant effect on the content of chlorophyll and the numbers of leaves per plant，but the content of chlorophyll and the numbers of leaves per plant both increased as water gradient increased except for that under the highest and the lowest consumption of nitrogen fertilizer；in addition，except for fresh weight per plant at the lowest water gradient and dry weight per plant at the lowest consumption of nitrogen fertilizer，water gradient did have significant effects on both fresh weight and dry weight per plant；at last，except for fresh weight per plant at the lowest water gradient，the content of chlorophyll，the numbers of leaves，fresh weight and dry weight per plant were significantly increased as consumption of nitrogen fertilizer increased，but they weren’t significantly different between the two higher consumption of nitrogen fertilizer.All above，growth and production of Ipomoea akuatica Forsk. both were the highest when soil moisture content was 80%-90% of field capacity and after nitrogen fertilizer was 135 kg/hm2，besides this treatment could save fertilizer.

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Last Update: 2015-12-28