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Micronutrient foliar analysis and su...

Stewart, Zachary P.

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Micronutrient foliar analysis and supplementation in nutrient management for high yield maize (Zea mays L.).

Record Type:	Electronic resources : Monograph/item
Title/Author:	Micronutrient foliar analysis and supplementation in nutrient management for high yield maize (Zea mays L.)./
Author:	Stewart, Zachary P.
Published:	Ann Arbor : ProQuest Dissertations & Theses, : 2016,
Description:	226 p.
Notes:	Source: Dissertation Abstracts International, Volume: 77-09(E), Section: B.
Contained By:	Dissertation Abstracts International77-09B(E).
Subject:	Agronomy. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=10102741
ISBN:	9781339664057

Micronutrient foliar analysis and supplementation in nutrient management for high yield maize (Zea mays L.).
Stewart, Zachary P.

Micronutrient foliar analysis and supplementation in nutrient management for high yield maize (Zea mays L.). - Ann Arbor : ProQuest Dissertations & Theses, 2016 - 226 p.

Source: Dissertation Abstracts International, Volume: 77-09(E), Section: B.

Thesis (Ph.D.)--The University of Nebraska - Lincoln, 2016.

Micronutrient supplementation in maize production is of growing interest to producers and agronomists as means to further increase yield as other crop needs are increasingly met. Plant tissue and soil sampling for micronutrient concentrations have been used to determine likely responses to micronutrient supplementation. Nebraska soils are generally micronutrient sufficient and usually do not have soil or plant tissue micronutrient concentrations below critical levels, however, during precise periods where specific micronutrients are in greatest need due to physiological demands, there may be opportunity for micronutrient supplementation to increase grain yield. The compiled chapters indicate that in most scenarios in Nebraska, foliar micronutrient supplementation is not likely to result in increased maize yield, and yield reductions may occur with micronutrient supplementation. However, grain yield increases can occur with micronutrient supplementation even when soil or plant tissue micronutrient concentrations are above critical levels (Chapter 3 and 4). Models are needed that consider factors in addition to soil and plant micronutrient concentrations for improved prediction of maize yield responses to applied micronutrients (Chapter 2). Additionally, the following chapters provide recommendations on target growth stages for foliar-applied micronutrients (Chapter 4), opportunities for precision application technologies with foliar-applied micronutrients in scenarios with confirmed micronutrient deficiency (Chapter 3, 4, and 6) ), an assessment of soil and plant micronutrient correlations and their relationship with grain nutrient densities (i.e. biofortification) (Chapter 2 and 4), and opportunities for nanomaterials to improve the efficiency of foliar-applied micronutrients (Chapter 5).

ISBN: 9781339664057Subjects--Topical Terms:

2122783
Agronomy.

Micronutrient foliar analysis and supplementation in nutrient management for high yield maize (Zea mays L.).
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520 $a Micronutrient supplementation in maize production is of growing interest to producers and agronomists as means to further increase yield as other crop needs are increasingly met. Plant tissue and soil sampling for micronutrient concentrations have been used to determine likely responses to micronutrient supplementation. Nebraska soils are generally micronutrient sufficient and usually do not have soil or plant tissue micronutrient concentrations below critical levels, however, during precise periods where specific micronutrients are in greatest need due to physiological demands, there may be opportunity for micronutrient supplementation to increase grain yield. The compiled chapters indicate that in most scenarios in Nebraska, foliar micronutrient supplementation is not likely to result in increased maize yield, and yield reductions may occur with micronutrient supplementation. However, grain yield increases can occur with micronutrient supplementation even when soil or plant tissue micronutrient concentrations are above critical levels (Chapter 3 and 4). Models are needed that consider factors in addition to soil and plant micronutrient concentrations for improved prediction of maize yield responses to applied micronutrients (Chapter 2). Additionally, the following chapters provide recommendations on target growth stages for foliar-applied micronutrients (Chapter 4), opportunities for precision application technologies with foliar-applied micronutrients in scenarios with confirmed micronutrient deficiency (Chapter 3, 4, and 6) ), an assessment of soil and plant micronutrient correlations and their relationship with grain nutrient densities (i.e. biofortification) (Chapter 2 and 4), and opportunities for nanomaterials to improve the efficiency of foliar-applied micronutrients (Chapter 5).
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