[1]李海波,等.黑龙江省南部黑土玉米NPK 适宜用量的研究[J].黑龙江农业科学,2008,(02):54-57.[doi:10.11942/j.issn1002-2767.2008.02.0054]
　LI Hai-bo,HAN Xiao-zeng,et al.Research on Optimal Combined Application of NPKFertilizers in the South of Heilongjiang[J].HEILONGJIANG AGRICULTURAL SCIENCES,2008,(02):54-57.[doi:10.11942/j.issn1002-2767.2008.02.0054]
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黑龙江省南部黑土玉米NPK 适宜用量的研究

《黑龙江农业科学》[ISSN:1002-2767/CN:23-1204/S] 卷: 期数: 2008年02 页码: 54-57 栏目: 出版日期: 2008-05-10
Title:
Research on Optimal Combined Application of NPKFertilizers in the South of Heilongjiang
文章编号:
1002-2767(2008)02-0054-04
作者:
李海波1 ;  2 ;  韩晓增1 ;  宋春1 ;  2 ;  李良皓1 ;  2
1 .海伦农田生态系统国家野外科学观测研究站, 中国科学院东北地理与农业生态研究所,哈尔滨150081 ;
2 .中国科学院研究生院, 北京100039
Author(s):
LI Hai-bo1 ;  2 ; HAN Xiao-zeng1 ;  SONG Chun1 ;  2 ; LI Liang-hao1 ;  2
1 .National Field Research Station o f Ag ro-ecosy stem in Hai lun ,No rtheast Insti tute of Geographyand Ag ro-ecology ,Chinese Academy of Sciences , Harbin 150081 ;
2 .G raduated College ofChinese Academy of Sciences ,Beijing 100039
关键词:
产量; NPK 肥; 模型优化; 经济效益
Keywords:
yield; NPK fer tilizer ; model o ptimization ; eco nomic benefits
分类号:
S513 .062
DOI:
10.11942/j.issn1002-2767.2008.02.0054
文献标志码:
A
摘要:
试验设在玉米主产区双城市, 采用N 、P 、K 三因素多水平的不完全设计, 目的是在12 个不同N、P、K 配施中筛选出适合当地的最适宜施肥量。不同N 、P、K 化肥用量玉米产量最高为处理10, 依次分别为处理13 、8 、5 ,比当地通用施肥量分别高15.9%、13.1%、12.3 %和11 .2 %。因此认为处理N3P3K2 、N3P3K3 、N2P3K2 和N4P2K2 即处理10、13 、8 和5 为较好的处理组合。通过对N 、P、K 单施肥料效应进行一元二次方程模型优化,建议最适宜的施肥量分别为N200～ 230 kg·hm -2 , P2O5 120 ～ 130 kg ·hm -2 , K2O60 ～ 80 kg ·hm -2 。经济效益最好的前三个组合分别是10、13 、8 , 增收分别为1 464、1 245 和1 007 元·hm -2 。
Abstract:
An incompletely desig ned ex periment with 3 facto rs w as conducted in a co ntinuous co rnfield , aiming toscreen the optimal combinations of N , P , K fe rtilizers w ithin 12 treatments.The maize yie ld o f the f our highest decreasedin an o rder of trea tment(10)>(13)>(8)>(5), and increased by 15 .9 %, 13.1%, 12 .3 % and 11.2 %, respectively, as compa red to the locally used fertilizer dosage .It is sugg ested that the optimal fertilizer dosages were230～ 250 kg ·hm -2 fo r nitro gen , 120 ～ 130 kg·hm -2 for phospho rus and 60～ 80 kg·hm -2 for po ta ssium by o ptimizingmodels.The optimal eco nomic benefits w ere 1 464, 1 245 and 1 007 RMB yuan·hm -2 fo r the three combinationso f (10),(13)and (8), re spectively.

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备注/Memo

基金项目:黑龙江省攻关项目(GB06B107-2 、GA06B101-1-4);国家重点基础研究发展计划项目(2005CB121106)

第一作者简介:李海波(1967-),男, 黑龙江人, 在读博士, 主要从事土壤和肥料管理技术研究。E-mail:harbourlee@126 .com 。

更新日期/Last Update: 2016-12-12