Effect of Nitrogen Fertilizer Application on the Accumulation of NPK and Yield for Leaf Wolfberry(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Title:: Effect of Nitrogen Fertilizer Application on the Accumulation of NPK and Yield for Leaf Wolfberry

Author(s):: WANG Rong1; WANG Wei1; WANG Yali1; WANG Jintao1; SI Guangyi2; （1.Wolfberry Engineering and Technological Research Center of State Forestry Administration,Yinchuan，Ningxia 750004；2.Helan Forestry Bureau,Yinchuan,Ningxia 750200)

Abstract:: Taking ‘Leaf No.1’ wolfberry as test material，the effect of nitrogen fertilizer application on the accumulation of NPK and yield was studied，and the field experiment was conducted at Senmiao Modern Forestry Science and Technology Park of Jinfeng District in Yinchuan of Ningxia.The results showed that increasing the amount of nitrogen fertilizer had a role in promoting absorption of NPK.Under all experimental condition，producing every 100 kg leaf wolfberry sprout need N 0.35-0.58 kg，P2O5 0.08-0.13 kg and K2O 0.15-0.24 kg，and the proportion of N，P2O5，K2O was 1∶0.24∶0.44.When nitrogen application rate reached 2.18 kg per 667 m2，the maximum biological production per 667 m2 could be 313.89 kg，and nitrogen per 667 m2 reached 2.45 kg，the maximum production per 667 m2 could be 88.41 kg.The best economic yield per 667 m2 was 88.40 kg when nitrogen fertilization per 667 m2 was 2.40 kg.

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Last Update: 2016-07-15