Study on the Application of Soil Conditioner in Grape(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Author(s):: QIN Xu¹; ZHANG Bai-song²; 1.Shandong Agricultural Engineering Academy,Jinan,Shandong 250100；
2.Institute of Agricultural Resources and Environment,Shandong Academy of Agricultural Sciences,Jinan,Shandong 250100

Keywords:: soil conditioner; grape; pH value; organic carbon; yield; quality

Abstract:: This study explored the effects of soil conditioner on the acidic vineyard soil and the growth and fruit quality of grape.It was set four levels of addition of soil conditioner and the control,the effects on soil pH,organic carbon,organic matter,available nitrogen,single grain weight,yield and soluble solid content,etc. were compared.The results showed that addition of soil conditioner all increased the soil pH,the content of organic matter,organic carbon and available nitrogen,and the increments were roughly positively correlated with the amount of soil conditioner added.The highest relative increments of soil pH,the content of organic matter,organic carbon and available nitrogen were 10.5%,5.0%,70.8% and 13.7% respectively.In addition,soil conditioner addition increased the single grape weight,yield,soluble solid content,total sugar content and hardness,the corresponding highest relative increments were 21.9%,32.7%,16.9%,17.7% and 23.4%,respectively.However,soil conditioner addition reduced the total acid content of grapes by 4.7%～11.6%.In conclusion,these results suggested that adding soil conditioner significantly improved the studied soil chemical properties and the yield and quality of grape,the appropriate application amount of silicon-calcium-magnesium-potassium soil conditioner in the vineyard was 0.22～0.30 kg per individual,i.e.,75～100 kg/667m².

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Last Update: 2014-09-21