Search Results - Johnson, David E

Enhancing the productivity and sustainability of cropping systems in the coastal zones of tropical deltas of Asia by Johnson, David E., Humphreys, Elizabeth

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Influence of environmental factors on seed germination and seedling emergence of Eclipta (Eclipta prostrata) in a tropical environment by Chauhan, Bhagirath S., Johnson, David E.

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Seed germination ecology of purple-leaf button weed (Borreria ocymoides) and Indian heliotrope (Heliotropium indicum): two common weeds of rain-fed rice by Chauhan, Bhagirath S., Johnson, David E.

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Germination ecology of two troublesome Asteraceae species of rainfed rice: Siam weed (Chromolaena odorata) and coat buttons (Tridax procumbens) by Chauhan, Bhagirath S., Johnson, David E.

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Seed germination and seedling emergence of synedrella (Synedrella nodiflora) in a tropical environment by Chauhan, Bhagirath S., Johnson, David E.

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Germination ecology of goosegrass (Eleusine indica): an important grass weed of rainfed rice by Chauhan, Bhagirath S., Johnson, David E.

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Germination ecology of southern crabgrass (Digitaria ciliaris) and India crabgrass (Digitaria longiflora): two important weeds of rice in tropics by Chauhan, Bhagirath S., Johnson, David E.

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Seed germination ecology of junglerice (Echinochloa colona): a major weed of rice by Chauhan, Bhagirath S., Johnson, David E.

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Germination ecology of spiny (Amaranthus spinosus) and slender amaranth (A. viridis): troublesome weeds of direct-seeded rice by Chauhan, Bhagirath S., Johnson, David E.

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Growth and reproduction of junglerice (Echinochloa colona) in response to water stress by Chauhan, Bhagirath S., Johnson, David E.

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Responses of rice flatsedge (Cyperus iria) and barnyardgrass (Echinochloa crus-galli) to rice interference by Chauhan, Bhagirath S., Johnson, David E.

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Relative importance of shoot and root competition in dry-seeded rice growing with junglerice (Echinochloa colona) and ludwigia (Ludwigia hyssopifolia) by Chauhan, Bhagirath S., Johnson, David E.

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Weedy rice (Oryza sativa) I. Grain characteristics and growth response to competition of weedy rice variants from five Asian countries by Chauhan, Bhagirath S., Johnson, David E.

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Growth response of direct-seeded rice to oxadiazon and bispyribac-sodium in in aerobic and saturated soils by Chauhan, Bhagirath S., Johnson, David E.

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Phenotypic plasticity of Chinese sprangletop (Leptochloa chinensis) in competition with seeded rice by Chauhan, Bhagirath S., Johnson, David E.

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Competitive interactions between weedy rice and cultivated rice as a function of added nitrogen and the level of competition by Chauhan, Bhagirath S., Johnson, David E.

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Row spacing and weed control timing affect yield of aerobic rice by Chauhan, Bhagirath S., Johnson, David E.

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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 by Chauhan, Bhagirath S., Johnson, David E.

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Germination, emergence, and dormancy of Mimosa pudica by Chauhan, Bhagirath S., Johnson, David E.

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Seed germination and seedling emergence of nalta jute (Corchorus olitorius) and redweed (Melochia concatenata): important broadleaf weeds of the tropics by Chauhan, Bhagirath S., Johnson, David E.

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