PU Yaoyao1, LV Xiumin1, WU Mengcheng1, et al. Effects of Partial Substitution for Chemical Fertilizer by Organic Manure on the Growth and Nutrient Use of Watermelon Under Fumigation Condition[J]. 2017, 31(6): 306-311.
DOI:
PU Yaoyao1, LV Xiumin1, WU Mengcheng1, et al. Effects of Partial Substitution for Chemical Fertilizer by Organic Manure on the Growth and Nutrient Use of Watermelon Under Fumigation Condition[J]. 2017, 31(6): 306-311. DOI: 10.13870/j.cnki.stbcxb.2017.06.048.
Effects of Partial Substitution for Chemical Fertilizer by Organic Manure on the Growth and Nutrient Use of Watermelon Under Fumigation Condition
A field experiment was conducted to study the effects of partial?substitution for chemical?fertilizer?by?different organic?manure on the growth
yield
quality and nutrient use efficiency of watermelon under equivalent nutrients. Ten treatments were designed
including no fertilizer (CK)
conventional chemical fertilizer (CF)
chicken manure partial substitution for chemical fertilizer (CM)
vermicompost partial substitution for chemical fertilizer (VC) and bio-organic fertilizer partial substitution for chemical fertilizer (BOF) under fumigating with dazomet or not. Results showed that organic manure partial substitution for chemical fertilizer could improve chlorophyll content
photosynthetic performance
yield and quality of watermelon with different degrees. Compared to CF
VC could significantly enhance the leaf photosynthetic performance of watermelon
and the plants under VC were the highest in watermelon yield
soluble sugar
soluble protein
ascorbic acid
i.e. 33.63%
14.07%
14.47% and 17.52% respectively
higher than CF. The fertilizer use efficiency was improved significantly under organic manure partial substitution for chemical fertilizer. After watermelon was harvested
the fertilizer utilization efficiencies of nitrogen
phosphorus and potassium in VC treatment were 26.02%
5.67% and 29.89% respectively. On the other hand
the VC could obviously decline soil nutrient elements dependency
the dependent rate of soil nitrogen
phosphorus and potassium were 20.96%
20.32% and 31.55% respectively. And biological fumigation had an inhibiting effect on Fusarium wilt disease incidence of watermelon
the disease incidence in VC under fumigation condition was only 4.76%
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YE Jing1,YU Qiao-gang1,YANG Shao-na2,JIANG Li-na1,MA Jun-wei1,WANG Qiang1,WANG jian-mei1,SUN Wan-chun1,FU Jian-rong(1.Institute of Environment,Resource,Soil and Fertilizer,Zhejiang Academy of Agricultural Sciences,Hangzhou,Zhejiang 310021,2.Central Station of Agro-techniques Extension,Bureau of Agriculture and Forestry,,)
College of Resources and Environment, National Experimental Teaching Demonstration Center for Agricultural Resources and Environment, Shanxi Agricultural University, Taigu
College of Agronomy, Shanxi Agricultural University, Taigu
Key Laboratory of Soil Resource Sustainable Utilization for Commodity Grain Bases of Jilin Province, College of Resource and Environmental Science, Jilin Agricultural University
Institute of Agricultural Resources and Environment, Jilin Academy of Agricultural Sciences