Response of Dry Season Sorghum to Intercropping with Trees in a Semi-arid Environment PDF Download
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Author: Emmanuel Tsammani Rabo
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: Emmanuel Tsammani Rabo
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Author: Emmanuel Tsammani Rabo
Publisher:
ISBN:
Category :
Languages : en
Pages : 418
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Author:
Publisher:
ISBN:
Category : Water
Languages : en
Pages : 630
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Author: K. Chandrasekhara Reddy
Publisher:
ISBN:
Category :
Languages : en
Pages : 44
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Book Description
Author: Jourdan Margaret Bell
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Development of efficient irrigation strategies is a priority for producers faced with water shortages. Managed deficit irrigation attempts to optimize water use efficiency (WUE) by synchronizing crop water use with reproductive stages. Soil water use and yield of grain sorghum [Sorghum bicolor (L.) Moench], on a Torrertic Paleustoll in the Texas High Plains, USA, were evaluated during the 2010 to 2012 growing seasons under three sprinkler irrigation strategies: full (FI), deficit (DI), and managed deficit irrigation (MDI). Soil water contents were measured weekly at 0.20-m intervals from 0.10 to 2.30 m depth using a neutron moisture gage. Irrigation for the FI treatment was scheduled when root zone water (0 to 1.6 m) was depleted to 50% of the potential plant available water (PPAW). The DI treatment was irrigated at 50% of FI. The MDI treatment was irrigated at 75% of FI between growing point differentiation and half-bloom, 50% of FI after half-bloom, and less than DI prior to growing point differentiation. Fully irrigated sorghum grain yields averaged 3.7 Mg ha−1 greater (p
Author: British Library. Document Supply Centre
Publisher:
ISBN:
Category : Dissertations, Academic
Languages : en
Pages : 758
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Author: Mark W. Rosegrant
Publisher: Intl Food Policy Res Inst
ISBN: 0896296466
Category : Business & Economics
Languages : en
Pages : 36
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Book Description
A thirsty world; Alternative futures for water; Consequences of key policy changes; Implications for the future.
Author: Manoj Menon
Publisher: Frontiers Media SA
ISBN: 2889630986
Category :
Languages : en
Pages : 122
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Author: A.E. Hall
Publisher: Springer Science & Business Media
ISBN: 3642673287
Category : Science
Languages : en
Pages : 357
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Book Description
The semi-arid zones of the world are fragile ecosystems which are being sub stantially modified by the activities of mankind. Increasing human populations have resulted in greater demands on semi-arid zones for providing human susten ance and the possibility that this may enhance desertification is a grave concern. These zones are harsh habitats for humans. The famines that resulted from drought during the late 1960's and the 1970's in the African Sahel illustrated the unreliability of present agricultural systems in this zone. Large fluctuations in ag ricultural production have occurred in semi-arid zones of Australia, North Ameri ca, and the Soviet Union due to periodic droughts, even though considerable ag ricultural technology has been devoted to agricultural development in these zones. The challenge to mankind is to manage these different semi-arid zones so that pro ductivity is increased and stabilized, and environmental deterioration is decreased. Irrigation can be used to increase and stabilize agricultural production in semi-arid zones as discussed in Volume 5 of this series, Arid Zone Irrigation. The present volume, Agriculture in Semi-Arid Environments, focuses on dryland farming in semi-arid zones, and is relevant to the large areas of the world where rainfall is limiting and where water is not available for irrigation. This volume is designed to assist agricultural development in these areas and consists of reviews and analyses of available information by scientists working in Africa, Australia, and at the U ni versity of California.
Author: Chin K Ong
Publisher: CABI
ISBN: 1780645112
Category : Science
Languages : en
Pages : 360
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Book Description
This new edition provides an update on the considerable amount of evidence on tree-crop interactions which has accumulated during the last two decades, especially on the more complex multi-strata agroforestry systems, which are typical of the humid tropics. In addition three new chapters have been added to describe the new advances in the relationship between climate change adaptation, rural development and how trees and agroforestry will contribute to a likely reduction in vulnerability to climate change in developing countries
