采收对加工菠菜根系的影响

IF 1 Q3 PLANT SCIENCES Plant Root Pub Date : 2019-01-01 DOI:10.3117/plantroot.13.23
Takayuki Suzuki, Erika Kamada, Takanori Ishii
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引用次数: 2

摘要

在日本,机械收割加工菠菜(用于加工食品生产的菠菜)有可能成为一种普遍做法。根系分布影响水分和养分的吸收,但在菠菜再生期间根系在土壤剖面中的分布情况尚不清楚。在本研究中,我们研究了在耕层土壤(5和15 cm深)和深层土壤(25、35、45和55 cm深)中使用再生收获系统栽培的加工菠菜的根系。第二次收获的总根长密度(利用距行水平距离0和15cm处每一深度密度的平均值计算)比第一次收获的根长密度大2倍以上。表层土壤根长百分比和根深指数表明,第二次收获时根系位于较浅的土层中。
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Effects of ratoon harvesting on the root systems of processing spinach
: The mechanical harvesting of processing spinach (spinach used in production of processed food) is potentially becoming a common practice in Japan. Root distribution affects water and nutrient absorption, but how the roots spread in the soil profile during the regrowth period of spinach remains unknown. In this study, we investigate the root systems of processing spinach in topsoil (5 and 15 cm deep) and deeper soil layers (25, 35, 45, and 55 cm deep) cultivated using ratoon harvesting system. The total root length densities (calculated using the average of the densities at 0 and 15 cm horizontal distance from the row for each depth) in the second harvest were more than two-fold greater than those in the first harvest. The root length percentage in the topsoil and root depth indexes indicate that root systems are in shallower soil layers at the second harvest than at first har -vest.
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来源期刊
Plant Root
Plant Root PLANT SCIENCES-
CiteScore
1.50
自引率
0.00%
发文量
2
期刊介绍: Plant Root publishes original papers, either theoretical or experimental, that provide novel insights into plant roots. The Journal’s subjects include, but are not restricted to, anatomy and morphology, cellular and molecular biology, biochemistry, physiology, interactions with soil, mineral nutrients, water, symbionts and pathogens, food culture, together with ecological, genetic and methodological aspects related to plant roots and rhizosphere. Work at any scale, from the molecular to the community level, is welcomed.
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