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Effects of Fertilization in Different Combination on the Traits and Yield of Alfalfa(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2017年06
Page:
85-90
Research Field:
Publishing date:

Info

Title:
Effects of Fertilization in Different Combination on the Traits and Yield of Alfalfa
Author(s):
FENG Lingxia
(Biology Engineering College,Yinchuan Energy Institute,Yinchuan,Ningxia 750105)
Keywords:
fertilizer ratios; traits; yield; alfalfa in dryland
PACS:
-
DOI:
10.11937/bfyy.201706020
Abstract:
Alfalfa was used as test material to study the effect of different ratios of NPK fertilizer on characteristics and yield of alfalfa,using the ‘3414’ part of the implementation of the program.The results showed that under different combination of nitrogen,phosphorus and potassium,the growth of alfalfa in the whole process was ‘S’ type growth curve,in line with the restrictions on the density of the logistic growth model.Under the different fertilizer treatment,the best production of 5-year-old alfalfa in dryland was N2P4K3,that was nitrogen for 54 kg?hm-2,P2O5 for 135 kg?hm-2,K2O for 15 kg?hm-2,the yield was 466.2 t?hm-2.

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Last Update: 2017-04-01