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Effect of Native Zeolite on Phosphorus and Nitrogen Mobilization of Soil in Solar Greenhouse(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2014年05期
Page:
159-162
Research Field:
Publishing date:

Info

Title:
Effect of Native Zeolite on Phosphorus and Nitrogen Mobilization of Soil in Solar Greenhouse
Author(s):
HU Ke-wei
Liaoning Agricultural Vocation-Technical College,Yingkou，Liaoning 115009
Keywords:
native zeolite; diammonium phosphate; solar greenhouse soil; form
PACS:
S 143.1
DOI:
-
Abstract:
Taking the soil in 0~20 cm of solar greenhouse of Liaoning Agricultural Vocation-Technical College as object，with native zeolite as material，the effect of native zeolite on the unavailable process of water dissolvable nitrogen and phosphorus were studied using the constant temperature oscillation method，in order to improve the nutrient efficiency.The results showed that with the native zeolite additions，the concentration of water-phosphorus almost no change and water-nitrogen in solution decreased.The ammonium nitrogen and available phosphorus concentrations in the treatments with zeolite addition increased.Zeolite increased the available phosphorus concentration and decreased the probability of phosphorus pollution in solar greenhouse soils with high application of phosphorus fertilizer or high phosphorus concentration.For nitrogen，native zeolite could maintain a good nitrogen concentration.

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Last Update: 2014-08-10