|Table of Contents|

Effects of Different Fertilization Schemes on Soil Ammonia Volatilization，Yield and Quality of Tomato in Solar Greenhouse

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2020年20
Page:
44-53
Research Field:
Publishing date:

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Title:
Effects of Different Fertilization Schemes on Soil Ammonia Volatilization，Yield and Quality of Tomato in Solar Greenhouse
Author(s):
JIA Mingfei1; 2; NIE Lanchun1; CUI Qiang1; WANG Jiahao1; HU Shuming1; ZHAO Wensheng1
(1.College of Horticulture，Hebei Agricultural University/Key Laboratory of Vegetable Germplasm and Utilization of Hebei Province/Collaborative Innovation Center of Vegetable Industry in Hebei Province，Baoding，Hebei 071000；2.Shijiazhuang Academy of Agricultural and Forestry Sciences，Shijiazhuang,Hebei 050041)
Keywords:
solar greenhouse; ammonia volatilization; tomato; yield; quality
PACS:
-
DOI:
10.11937/bfyy.20200599
Abstract:
In order to evaluate the soil ammonia volatilization and propose fertilization scheme for reducing ammonia volatilization and ensuring tomato yield and quality during winter-spring production in greenhouse.Using tomatoes in the solar greenhouse in winter-spring and early-spring as test materials，using the static chamber technique to study the effects of fertilization schemes of reducing chemical fertilizer application on the soil ammonia volatilization and yield and quality of tomato.The results showed that the soil ammonia volatilization in the greenhouse mainly came from topdressing.The ammonia volatilization from the topdressing of winter-spring and early-spring tomato accounted for 84.62%-91.06% and 70.14%-79.73% of the total ammonia volatilization respectively.The total amount of ammonia volatilization in the whole growth period of winter-spring tomato was 18.54 kg?hm-2 under the conventional fertilization schemes (organic N 333.00 kg?hm-2，Chemical N 207.90 kg?hm-2).The total amount of ammonia volatilization in the whole growth period of early-spring tomato was 27.28 kg?hm-2 under the conventional fertilization schemes (organic N 243.33 kg?hm-2，chemical N 354.00 kg?hm-2).The soil ammonia volatilization could be reduced by 7.74%-33.93% by reducing 20%-50% of chemical fertilizer (nitrogen) application and increasing organic fertilizer application，which also had effects of increasing yield，improving quality and saving cost.In winter-spring tomato production，compared with the local conventional fertilization scheme，the best fertilization scheme was the scheme of increasing the application of organic fertilizer by 20% and reducing the application of chemical fertilizer by 50% which reduce the ammonia volatilization by 25.85%，increase the yield of tomato by 11.40%，increase the content of soluble solids and vitamin C of fruit by 19.37% and 53.52% respectively，and save 4.37% of fertilization cost.In early-spring tomato production，compared with the local conventional fertilization scheme，the best fertilization scheme was the scheme of reducing the application of chemical fertilizer by 50% which reduced the volatilization of ammonia by 14.19%，increased the yield of tomato by 9.25%，increased the content of vitamin C of fruit by 22.33%，and saved 11.23% of fertilization cost.Through the rational application of organic fertilizer and reducing the application of chemical fertilizer in tomato production in greenhouse，the soil ammonia volatilization could be significantly reduced，and the yield and quality of tomatoes could be improved，the cost of fertilization also could be saved.

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Last Update: 2021-01-08