David E. Johnson

发表

Changing from transplanted rice to direct seeding in the rice-wheat cropping system in India.

M. Mortimer, B. Hardy, K. Toriyama, 2005 .

Post-dispersal predation of weed seeds in rice fields

T. R. Migo, B. Chauhan, P. Westerman, 2010 .

The implications of land preparation, crop establishment method and weed management on rice yield variation in the rice–wheat system in the Indo-Gangetic plains

Gurminder Singh, Vijay P. Singh, David E. Johnson, 2011 .

Relations of rice seeding rates to crop and weed growth in aerobic rice

B. Chauhan, David E. Johnson, V. Singh, 2011 .

Tillage and crop establishment options for enhancing the productivity, profitability, and resource use efficiency of rice-rabi systems of the salt-affected coastal lowlands of eastern India

S. K. Sarangi, A. Srivastava, P. C. Sharma, 2020 .

Issues for integrated weed management and decision support in direct-seeded rice.

B. Hardy, K. Toriyama, David E. Johnson, 2005 .

Enhancing the productivity and sustainability of cropping systems in the coastal zones of tropical deltas of Asia

E. Humphreys, David E. Johnson, 2021 .

Targeting management practices for rice yield gains in stress-prone environments of Myanmar

G. Feyisa, R. Singh, David E. Johnson, 2019 .

Characterization of Weed Flora and Weed Management Practices in Rice under Different Cropping Systems in Western Gangetic Plains of India - A Case Study

Virendra Singh, V. P. Singh, S. P. Singh, 2005 .

Growth Response of Direct-Seeded Rice to Oxadiazon and Bispyribac-Sodium in Aerobic and Saturated Soils

Bhagirath S. Chauhan, B. Chauhan, David E. Johnson, 2011, Weed Science.

Seed Germination Ecology of Junglerice (Echinochloa colona): A Major Weed of Rice

Bhagirath S. Chauhan, B. Chauhan, David E. Johnson, 2009, Weed Science.

RETRACTED: A Participatory Iterative Mapping Approach and Evaluation of Three Machine Learning Algorithms for Accurate Mapping of Cropping Patterns in a Complex Agro-Ecosystems

Andy Nelson, Murali Krishna Gumma, Gudina Legese Feyisa, 2016 .

Germination Ecology of Southern Crabgrass (Digitaria ciliaris) and India Crabgrass (Digitaria longiflora): Two Important Weeds of Rice in Tropics

Bhagirath S. Chauhan, B. Chauhan, David E. Johnson, 2008, Weed Science.

Germination Ecology of Spiny (Amaranthus spinosus) and Slender Amaranth (A. viridis): Troublesome Weeds of Direct-Seeded Rice

Bhagirath S. Chauhan, B. Chauhan, David E. Johnson, 2009, Weed Science.

Preventive Weed Management in Direct-Seeded Rice

J. Ladha, Virender Kumar, David E. Johnson, 2017 .

Effect of Weed Management and Crop Establishment Methods on Weed Dynamics and Grain Yield of Rice

V. P. Singh, S. P. Singh, R. K. P. Singh, 2005 .

Ecological studies on Echinochloa crus-galli and the implications for weed management in direct-seeded rice

Bhagirath S. Chauhan, B. Chauhan, David E. Johnson, 2011 .

Ecological studies on Cyperus difformis, Cyperus iria and Fimbristylis miliacea: three troublesome annual sedge weeds of rice

Bhagirath S. Chauhan, B. Chauhan, David E. Johnson, 2009 .

Direct seeding as an alternative to transplanting rice for the rice-wheat systems of the Indo-Gangetic plains: sustainability issues related to weed management.

Alastair Orr, Yuvraj Singh, V. P. Singh, 2003 .

'Direct seeding of rice and weed management in the irrigated rice-wheat cropping system of the Indo-Gangetic plains'

A. M. Mortimer, Alastair Orr, Bhagirath S. Chauhan, 2008 .

The role of seed ecology in improving weed management strategies in the tropics

Bhagirath S. Chauhan, B. Chauhan, David E. Johnson, 2010 .

Emerging issues in weed management of direct-seeded rice in Malaysia, Vietnam and Thailand.

K. L. Heong, B. Hardy, B. Hardy, 2005 .

Germination Ecology of Goosegrass (Eleusine indica): An Important Grass Weed of Rainfed Rice

Bhagirath S. Chauhan, B. Chauhan, David E. Johnson, 2008, Weed Science.

Seed Germination Ecology of Purple-Leaf Button Weed (Borreria ocymoides) and Indian Heliotrope (Heliotropium indicum): Two Common Weeds of Rain-Fed Rice

Bhagirath S. Chauhan, B. Chauhan, David E. Johnson, 2008, Weed Science.

Germination Ecology of Two Troublesome Asteraceae Species of Rainfed Rice: Siam Weed (Chromolaena odorata) and Coat Buttons (Tridax procumbens)

Bhagirath S. Chauhan, B. Chauhan, David E. Johnson, 2008 .

Germination of Fresh Horse Purslane (Trianthema portulacastrum) Seeds in Response to Different Environmental Factors

Bhagirath S. Chauhan, B. Chauhan, David E. Johnson, 2011, Weed Science.

Seed Germination and Seedling Emergence of Synedrella (Synedrella nodiflora) in a Tropical Environment

Bhagirath S. Chauhan, B. Chauhan, David E. Johnson, 2009, Weed Science.

Seed Germination and Seedling Emergence of Nalta Jute (Corchorus olitorius) and Redweed (Melochia concatenata): Important Broadleaf Weeds of the Tropics

Bhagirath S. Chauhan, B. Chauhan, David E. Johnson, 2008, Weed Science.

Row spacing and weed control timing affect yield of aerobic rice

Bhagirath S. Chauhan, B. Chauhan, David E. Johnson, 2011 .

Germination Ecology of Chinese Sprangletop (Leptochloa chinensis) in the Philippines

Bhagirath S. Chauhan, B. Chauhan, David E. Johnson, 2008, Weed Science.

Germination, emergence, and dormancy of Mimosa pudica

Bhagirath S. Chauhan, B. Chauhan, David E. Johnson, 2009 .

Seedling recruitment in direct-seeded rice: weed biology and water management.

K. L. Heong, B. Hardy, B. Hardy, 2005 .

Differences in responses to flooding by germinating seeds of two contrasting rice cultivars and two species of economically important grass weeds

A. Ismail, David E. Johnson, A. M. Baltazar, 2014, AoB PLANTS.

Weed Management in Direct‐Seeded Rice

Jagdish K. Ladha, A. N. Rao, B. Sivaprasad, 2007 .

Seed germination ecology of Portulaca oleracea L.: an important weed of rice and upland crops.

Bhagirath S. Chauhan, B. Chauhan, David E. Johnson, 2009 .

Ludwigia hyssopifolia emergence and growth as affected by light, burial depth and water management

Bhagirath S. Chauhan, B. Chauhan, David E. Johnson, 2009 .

Influence of Environmental Factors on Seed Germination and Seedling Emergence of Eclipta (Eclipta prostrata) in a Tropical Environment

Bhagirath S. Chauhan, B. Chauhan, David E. Johnson, 2008, Weed Science.

Competitive interactions between weedy rice and cultivated rice as a function of added nitrogen and the level of competition

B. Chauhan, David E. Johnson, 2011 .

Influence of tillage systems on weed seedling emergence pattern in rainfed rice

Bhagirath S. Chauhan, B. Chauhan, David E. Johnson, 2009 .

Promotion of integrated weed management for direct seeded rice in the Gangetic Plains of India. Final Technical Report.

David E. Johnson, Alastair Orr, Alastair Orr, 2005 .

Legumes as dry season fallow in upland rice-based systems of West Africa

M. Becker, David E. Johnson, M. Becker, 1998, Biology and Fertility of Soils.

Multi-year weed community dynamics and rice yields as influenced by tillage, crop establishment, and weed control: Implications for rice-maize rotations in the eastern Gangetic plains

T. Krupnik, J. Timsina, M. Gathala, 2020, Crop protection.

Effect of flooding depth and pretilachlor rate on emergence and growth of three rice weeds : junglerice ( Echinochloa colona ) , smallflower umbrella sedge ( Cyperus difformis ) , and ludwigia ( Ludwigia hyssopifolia )

B. Chauhan, David E. Johnson, A. M. Baltazar, 2013 .

Development of tolerant rice varieties for stress-prone ecosystems in the coastal deltas of Indonesia

Nafisah, R. Singh, A. Hairmansis, 2018, Field Crops Research.

Compensatory Growth of Ludwigia (Ludwigia hyssopifolia) in Response to Interference of Direct-Seeded Rice

B. Chauhan, David E. Johnson, A. Pame, 2011, Weed Science.

Responses of Rice Flatsedge (Cyperus iria) and Barnyardgrass (Echinochloa crus-galli) to Rice Interference

B. Chauhan, David E. Johnson, 2010, Weed Science.

Weedy Rice (Oryza sativa) I. Grain Characteristics and Growth Response to Competition of Weedy Rice Variants from Five Asian Countries

B. Chauhan, David E. Johnson, 2010, Weed Science.

Adaptation to flooding in upland and lowland ecotypes of Cyperus rotundus, a troublesome sedge weed of rice: tuber morphology and carbohydrate metabolism.

A. Ismail, David E. Johnson, A. M. Baltazar, 2009, Annals of botany.

Morphological and physiological responses of lowland purple nutsedge (Cyperus rotundus L.) to flooding

A. Ismail, David E. Johnson, A. M. Baltazar, 2010, AoB PLANTS.

Weed Management in African Rice-based Cropping Systems Across ecosystems

J. Rodenburg, David E. Johnson, 2013 .

Phenotypic Plasticity of Chinese Sprangletop (Leptochloa chinensis) in Competition with Seeded Rice

B. Chauhan, David E. Johnson, 2011, Weed Technology.

Relative Importance of Shoot and Root Competition in Dry-Seeded Rice Growing with Junglerice (Echinochloa colona) and Ludwigia (Ludwigia hyssopifolia)

B. Chauhan, David E. Johnson, 2010, Weed Science.

Implications of narrow crop row spacing and delayed Echinochloa colona and Echinochloa crus-galli emergence for weed growth and crop yield loss in aerobic rice

B. Chauhan, David E. Johnson, 2010 .

Growth and Reproduction of Junglerice (Echinochloa colona) in Response to Water Stress

B. Chauhan, David E. Johnson, 2010, Weed Science.

Direct seeding of rice in the rice-wheat systems of the Indo-Gangetic plains and the implications for weed management.

M. Mortimer, P. Singh, V. Singh, 2001 .

EFFECTS OF GENOTYPE, SEED P CONCENTRATION AND SEED PRIMING ON SEEDLING VIGOR OF RICE

M. Becker, S. Heuer, David E. Johnson, 2015, Experimental Agriculture.

Impacts of direct-seeded and early-maturing varieties of rice on mitigating seasonal hunger for farming communities in northwest Bangladesh

M. Mazid, F. Palis, David E. Johnson, 2014 .

Morphological and physiological responses of lowland purple nutsedge ( Cyperus rotundus L.) to ﬂooding

A. Ismail, David E. Johnson, A. M. Baltazar, 2010 .

Seed Germination and Seedling Emergence of Giant Sensitiveplant (Mimosa Invisa)

B. Chauhan, David E. Johnson, 2008 .

Interactions between rodents and weeds in a lowland rice agro‐ecosystem: the need for an integrated approach to management

G. Singleton, Nyo Me Htwe, David E. Johnson, 2019, Integrative zoology.

Weed management in rice‐based cropping systems in Africa

J. Rodenburg, David E. Johnson, 2009 .

Investigating early vigour in upland rice (Oryza sativa L.): Part I. Seedling growth and grain yield in competition with weeds

J. Cairns, David E. Johnson, O. Namuco, 2009 .

Acetolactate synthase activity and growth of rice (Oryza sativa L.) and weed species treated with the herbicide propyrisulfuron.

A. Ismail, K. Salamanez, David E. Johnson, 2015 .

Chapter Two – Preventive Weed Management in Direct-Seeded Rice: Targeting the Weed Seedbank

David E. Johnson, Jagdish K. Ladha, A. N. Rao, 2017 .

Adaptation to flooding during emergence and seedling growth in rice and weeds, and implications for crop establishment

A. Ismail, David E. Johnson, G. Vergara, 2012, AoB PLANTS.

Weedy (Red) Rice

L. Ziska, A. Ferrero, A. Merotto, 2015 .

Chapter Three - Weedy (red) rice: an emerging constraint to global rice production.

L. Ziska, A. Ferrero, A. Merotto, 2015 .

Investigating early vigour in upland rice (Oryza sativa L.): Part II. Identification of QTLs controlling early vigour under greenhouse and field conditions

J. Cairns, B. Courtois, R. Torres, 2009 .

Establishing Community-Based Seed Systems: A Training Manual

David E. Johnson, Digna O. Manzanilla, Joel D. Janiya, 2014 .

Changes in weed community structure in rice-wheat cropping systems in the Indo-Gangetic plains.

M. Mortimer, V. Singh, O. Mishra, 2001 .

Debate Over a GM Rice Trial in China

Mahabub Hossain, Yolanda H. Chen, R. Hamilton, 2005, Science.

Coastal Recreation Management: The sustainable development of maritime leisure

David E. Johnson, T. Goodhead, 1996 .

Challenges for weed management in African rice systems in a changing climate

H. Meinke, J. Rodenburg, David E. Johnson, 2011, The Journal of Agricultural Science.

Dissemination pathways for drought-tolerant rice cultivars: A farmer-participatory evaluation in the Philippines

David E. Johnson, Y. Kato, C. Bueno, 2019, World Development Perspectives.

Characterizing and mapping cropping patterns in a complex agro-ecosystem: An iterative participatory mapping procedure using machine learning algorithms and MODIS vegetation indices

Ambica Paliwal, Andy Nelson, Murali Krishna Gumma, 2020, Comput. Electron. Agric..

Climate Ready- Technologies: Combating Poverty by Raising Productivity in Rainfed Rice Environments in Asia

R. Singh, David E. Johnson, Y. Kato, 2017 .

Fallow residue management effects on upland rice in three agroecological zones of West Africa

A. Touré, M. Becker, David E. Johnson, 2000, Biology and Fertility of Soils.

Seed Germination Ecology of Itchgrass (Rottboellia cochinchinensis)

G. Bolfrey-Arku, B. Chauhan, David E. Johnson, 2011, Weed Science.

Wild harvest: distribution and diversity of wild food plants in rice ecosystems of Northeast Thailand

P. Struik, David E. Johnson, Gisella S. Cruz-Garcia, 2016 .

Center Parcs UK: leisure development which achieves biodiversity gains

David E. Johnson, B. J. Collins, 2001 .