|Table of Contents|

Preliminary Raising Fertilization Index System for Soybean in Jilin Province(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2010年04期
Page:
669-672
Research Field:
Publishing date:

Info

Title:
Preliminary Raising Fertilization Index System for Soybean in Jilin Province
Author(s):
WANG Zhi-gang; GAO Qiang; FENG Guo-zhong
College of Resources and Environmental Sciences，Jilin Agricultural University,Changchun 130118,Jilin，China
Keywords:
Soybean; “3414” fertilizer experiment; Soil nutrient index; Nutrient level; Fertilization
PACS:
S565.1
DOI:
10.11861/j.issn.1000-9841.2010.04.0669
Abstract:
In order to establish soybean fertilization index system from the“3414”fertilizer trail in Jilin in 2006-2008, then applying the nutrient abundance and deficiency indicator method, which are fitted to equation corresponding with the relative yield of soybean and the soil nutrient content, according to the trend curve equation, choosing the Quadratic or the Linear plus plateau were calculated the most fertilization and the economic fertilization from the probability distribution obtained the scope of fertilization in the different nutrient levels. The avai-N、avai-P、avai-K is 184、19.5 and 116 mg·kg-1 respectively in Jilin soybean-growing area, the average most N、P2O5、K2O application is 45、56.5、44 kg·ha-1;the average economic application is 42、47、40 kg·ha-1.

References:

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Last Update: 2014-09-14