A function for describing nitrogen uptake and dry matter production by winter barley crops期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

首页 | 本学科首页

官方微博 | 高级检索

按检索

A function for describing nitrogen uptake and dry matter production by winter barley crops

Authors:

A P Whitmore

Institution:

1. Rothamsted Experimental Station, AL5 2JQ, Harpenden, Hertfordshire, UK

Abstract:

The quantityY, of dry matter produced,Y _d, and nitrogen taken up,Y _n, during the growth of winter barley, was shown to be a function of thermal time,x,

$Y = (A^{ - 1/n} + \exp ( - kx))^{ - n}$

Keywords:	dry matter growth function nitrogen uptake sowing date thermal time winter barley
本文献已被 SpringerLink 等数据库收录！

设为首页 | 免责声明 | 关于勤云 | 加入收藏