Resultados de búsqueda - Johnson, David E

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

Enlace del recurso

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

Enlace del recurso

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

Enlace del recurso

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

Enlace del recurso

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

Enlace del recurso

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

Enlace del recurso

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

Enlace del recurso

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

Enlace del recurso

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

Enlace del recurso

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

Enlace del recurso

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

Enlace del recurso

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

Enlace del recurso

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

Enlace del recurso

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

Enlace del recurso

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

Enlace del recurso

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

Enlace del recurso

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

Enlace del recurso

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

Enlace del recurso

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

Enlace del recurso

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

Enlace del recurso