|Table of Contents|

Effects of Controlled-release Fertilizers on Annual Apple Rootstock(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2012年02期
Page:
161-163
Research Field:
Publishing date:

Info

Title:
Effects of Controlled-release Fertilizers on Annual Apple Rootstock
Author(s):
SHAO Lei; WANG Li-xia
Institute of Yantai Research,China Agricultural University,Yantai,Shandong 264670
Keywords:
controlled-release fertilizer; rootstock; growth
PACS:
S 6611
DOI:
-
Abstract:
Field experiments were conducted to study the effects of controlled-release fertilizer on annual apple rootstock.The results showed that three release stages were found in release curve of controlled-release fertilizers: increasing stage,peak stage,decreasing stage.Controlled-release fertilizers met the nutrient requirements of plant,and then promoted the plant’s growth.The application rate of CRF1(The application of N,P2O5,K2O were 630,150,480 kg/hm2) was same as that of SF,but the growth indices of CRF1 were better than that of SF.And the application rate of SF was higher than that of CRF2(The application of N,P2O5,K2O were 504,120,384 kg/hm2),CRF3(The application of N,P2O5,K2O were 320,120,400 kg/hm2),but there was no difference in growth indices.

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Last Update: 2014-08-24