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Study on the Nutrient Limiting Factors and Balanced Fertilization of Yam in Northwest Area(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2014年21期
Page:
174-176
Research Field:
Publishing date:

Info

Title:
Study on the Nutrient Limiting Factors and Balanced Fertilization of Yam in Northwest Area
Author(s):
LI Xi-e1; LYU Jun-feng2; WANG Wei1
1.Pingliang Institute of Agricultural Sciences,Pingliang,Gansu 744000；
2.Institute of Dryland Agricultural Sciences,Gansu Academy of Agricultural Sciences,Lanzhou,Gansu 730070
Keywords:
yam; nutrient limiting factors; balanced fertilization
PACS:
S 632.106+.2
DOI:
-
Abstract:
Taking ‘Pingliang yam’ as material,eight different fertilization scheme were conducted to study the agronomic traits and yield performance of yam in northwest China semi-arid area.The results showed that the best treatment of balanced fertilization was OPT,no matter what kind of nutrient of nitrogen(N),phosphorus(P),potassium(K) deficient,could effect the yam tuber weight,then effect the population yield.All treatments with OPT had the highest yield,OPT-N,OPT-1/2N than OPT production rates were 33.19% and 28.79%,compared with the other treatments reduced obviously,in northwest China,N was the main factor limiting high yield cultivation of yam.

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Last Update: 2014-12-01