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Each treatment had the same fertilization strategy. The local rotten  chicken manure was taken as organic Fertilizer, which is applied to the root of jujube with amount of 1200kg/666.7m2. Inorganic fertilizers included urea, diammonium phosphate and potassium chloride, which is applied separately at each growth stage. All the phosphate fertilizer  triple superphosphate  adopted basal application, with the amount of 40kg/666.7m2.  50% of potassium sulfate adopted basal application, while the other was topdress under drip irrigation with the amount of 60kg/666.7m2. Drip irrigation with saline water resulted in salt accumulation in root of jujube, to relief this phenomenon, desalination irrigation was applied after the jujube's harvest time in autumn, among which 40% of the  niitrogen fertilizer urea adopted basal application, while the other was topdress under drip irrigation with the amount of 70kg/666.7m2.

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lisen8279

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lisen8279(½ð±Ò+50, ·­ÒëEPI+1): 2011-08-24 10:35:05
The same fertilization strategy was adopted in all the treatments. The local rotten  chicken manure was applied to the roots of jujubes with the dose of 1200kg/666.7m2 as organic Fertilizer. Inorganic fertilizers, including urea, diammonium phosphate and potassium chloride, were applied separately at each growth stage. Basal application with the dose of 40kg/666.7m2 was adopted to all the phosphate fertilizer  triple superphosphate.  50% of potassium sulfate was used as basal application, while the other was topdressed under drip irrigation with the dose of 60kg/666.7m2. Salt accumulation around roots of jujubes caused by drip irrigation with saline water was relieved by desalination irrigation after the jujube's harvest time in autumn, among which 40% of the  niitrogen fertilizer urea was used as basal application, while the other was topdressed under drip irrigation with the dose of 70kg/666.7m2.
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