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Effects of different organic apple p...

Choi, Hyun-Sug.

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Effects of different organic apple production systems on seasonal variation of soil and foliar nutrient concentration.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Effects of different organic apple production systems on seasonal variation of soil and foliar nutrient concentration./
作者:	Choi, Hyun-Sug.
面頁冊數:	175 p.
附註:	Source: Dissertation Abstracts International, Volume: 71-01, Section: B, page: 0013.
Contained By:	Dissertation Abstracts International71-01B.
標題:	Agriculture, Horticulture. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3395591
ISBN:	9781109584899

Effects of different organic apple production systems on seasonal variation of soil and foliar nutrient concentration.
Choi, Hyun-Sug.

Effects of different organic apple production systems on seasonal variation of soil and foliar nutrient concentration. - 175 p.

Source: Dissertation Abstracts International, Volume: 71-01, Section: B, page: 0013.

Thesis (Ph.D.)--University of Arkansas, 2009.

Ground cover management system (GCS) on mature apple trees had small effects for the leaf nutrient statuses and tree performances but more affected soil nutrient. Wood chip treatment increased organic matter (OM), [NO 3], [Mg], and [B] in soil compared to the shredded paper, mowing understory vegetation, or black fabric cloth treated plots. Shredded paper treatment increased soil pH in the orchard soil that was previously acidic, which prevented leaf [Mn] toxicity.

ISBN: 9781109584899Subjects--Topical Terms:

1017832
Agriculture, Horticulture.

Effects of different organic apple production systems on seasonal variation of soil and foliar nutrient concentration.
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502 $a Thesis (Ph.D.)--University of Arkansas, 2009.
520 $a Ground cover management system (GCS) on mature apple trees had small effects for the leaf nutrient statuses and tree performances but more affected soil nutrient. Wood chip treatment increased organic matter (OM), [NO 3], [Mg], and [B] in soil compared to the shredded paper, mowing understory vegetation, or black fabric cloth treated plots. Shredded paper treatment increased soil pH in the orchard soil that was previously acidic, which prevented leaf [Mn] toxicity.
520 $a All variables were more affected by GCS rather than interaction effect or nutrient source effect in an established organic orchard. Green compost treatment increased soil pH, electrical conductivity, OM, and most soil macro nutrient concentrations. Green compost and wood chip treated trees showed competitive return on investment because the systems filled the allotted space as quickly as possible with a canopy that provided early and sustainable yield of fruits in year 3. However, green compost treatment plot had high soil nitrate leaching potential.
520 $a Overall, seasonal nutrient concentrations in leaves grown under some of the GCS in mature and young apple trees followed the nutrient concentration patterns in conventional apple orchards.
520 $a In the greenhouse study, leachate from grass clipping mulch provided as an alternative organic nutrient source for improving plant growth and nitrogen use efficiency as well as reducing nitrate leaching potential in the field if vegetation is controlled.
590 $a School code: 0011.
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