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Effect of Balanced Fertilization on Yield,Benefit,Quality and Nutrient Cycling of Seed Pumpkin in Heilongjiang Province(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2014年16期
Page:
173-176,177
Research Field:
Publishing date:

Info

Title:
Effect of Balanced Fertilization on Yield,Benefit,Quality and Nutrient Cycling of Seed Pumpkin in Heilongjiang Province
Author(s):
TONG Yu-xin1; 2; HU Jun-xiang3; LI Yu+ying1; LIU Shuang-quan1; JI Jing-hong1; ZHENG Yu4
2.College of Resource and Environment,China Agricultural University,Beijing 100083;
3.Experimental Training Bases on New Agricultural Technologies of Chinese Air Force,Harbin,Heilongjiang 150090;
4.College of Land and Environment,Shenyang Agricultural University,Shenyang,Liaoning 110866
Keywords:
Key words:seed pumpkin; balanced fertilization; yield and benefit; nutrient cycling; quality
PACS:
TS255.1
DOI:
-
Abstract:
Abstract: Taking seed pumpkin as material,the effect of balanced fertilization on yield,benefit,quality and nutrient cycling of seed pumpkin was investigated in Heilongjiang province.The results showed that balanced fertilization treatments produced higher yields than CK (compared) treatment,and the yield of the best (OPT) treatment （N 55 kg/hm2、P2O5 82.5 kg/hm2、K2O 67.5 kg/hm2） was the highest.Yield reduction of non-fertilization nitrogen,phosphorus and potassium was about 23.1%,19.3% and 11.1%,CK was about 32.2%.Benefit reduction of non-fertilization nitrogen,phosphorus and potassium was about 3 583,2 681 and 1 411 RMB/hm2,CK was about 3 666 RMB/hm2.On the basis of the OPT treatment,the effect of non-fertilization N on the assimilation of nitrogen of seed pumpkin,the assimilation of phosphorus and potassium of seed pumpkin was also influenced.On the basis of the OPT treatment,non-fertilization phosphorus and potassium would effect the assimilation of nitrogen phosphorus and nitrogen potassium.It just meant balanced fertilization have an important role in the assimilation of nutrient of seed pumpkin.The agronomic efficiency and fertilizers utilization rate of nitrogen was highest.Meanwhile,phosphate could increase the content of fat and protein,and potassium can increase the content of soluble sugar and starch.

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Last Update: 2014-09-26