|Table of Contents|

Effect of Different Facilities Growing Media on the Growth and Quality of Lettuce(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2015年08
Page:
173-176
Research Field:
Publishing date:

Info

Title:
Effect of Different Facilities Growing Media on the Growth and Quality of Lettuce
Author(s):
ZHANG Dan-dan1; 2; BAO Li1; ZHANG Nai-ming1; 2; KANG Hong-yu1; 2
(1.Engineering Laboratory of Soil Fertility and Contaminated Restoration in Yunnan Province,Kunming,Yunnan 650201;2.College of Resources and Environment，Yunnan Agricultural University，Kunming，Yunnan 650201)
Keywords:
lettuce; protected cultivation; matrix; nitrate
PACS:
S 626
DOI:
10.11937/bfyy.201508046
Abstract:
Taking Lactuca sativa as test material，the effects of different growing medias on the growth and quality of lettuce were studied,to finding solutions for degradation of facilities agricultural soil quality and continous cropping obstacle.The results showed that,the tests of binary complex revealed，diatomite and vermiculite with the ratio of 2∶1 on lettuce growth was the best,compared to control (single-use vermiculite) increase of 224.65%，plant height，leaf number，chlorophyll SPAD values were the best，and can significantly decreased the nitrate content in lettuce (189.53 mg/kg).A variety of cultural matrix composite materials can significantly reduce the nitrate content，were significantly lower than the result of continuous cropping soil cultivation greenhouses,vermiculite∶diatomite∶coffee grounds∶straw∶biochar=1∶2∶1∶3∶2 was the best，when guaranteing biomass was the biggest，the nitrite content was the lowest.

References:


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Last Update: 2015-08-07