Cole crop yield response to reduced nitrogen rates

被引：6

作者：

Sanderson, KR ^{[1
]}

Ivany, JA ^{[1
]}

机构：

[1] Agr & Agri Food Canada, Crops & Livestock Res Ctr, Charlottetown, PE C1A 7M8, Canada

来源：

CANADIAN JOURNAL OF PLANT SCIENCE | 1999年 / 79卷 / 01期

关键词：

broccoli; Brussels sprouts; cabbage; reduced nitrogen; yield;

D O I：

10.4141/P98-040

中图分类号：

S3 [农学（农艺学）];

学科分类号：

0901 ;

摘要：

Response of cabbage (Brassica oleracea L. var. capitata), Brussels sprouts (Brassica oleracea var. gemmifera) and broccoli (Brassica oleracea L. var italica) to reduced N rates was studied over 4 yr. Treatments were application methods, broadcast, split and banded with two rates of N; 120 and 90 kg ha(-1) plus a control of 150 kg ha(-1) broadcast N. Marketable yield was lower by 15, 23, and 13 %, respectively, compared to the control. Banding lowered yield of cabbage and broccoli. The lower N rate had the lowest yield in all crops. Leaf N concentration varied with N rate.

引用

页码：149 / 151

页数：3

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