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Effect of Soil Additives on Tomato Growth Under Exogenous Allelochemicals Treatment

ZHANG En-ping;ZHAO Ru-yue;ZHANG Shu-hong;College of Horticulture,Shenyang Agricultural University;  
The rice husk and lime nitrogen were added in soil which was containing exogenous allelochenicals to investigate the alleviative effect of different dosages on the toxicity of exogenous allelochemicals through cultivating tomato by randomized block in field,in order to provide a reference for finding efficient and reasonable measures to control the occurrence of continuous cropping obstacle.The main results were shown as follows,the tomato plant growth and amount of dry matter that were apparently higher than the control group after added rice husk or lime nitrogen to the soil which containing exogenous allelochemicals.This indicated that rice husk and lime nitrogen could relieve allelopathic toxic action.And the alleviation of rice husk 5 kg/m2 or lime nitrogen 100 g/m2 was more efficient.
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