Results 61 to 70 of about 112,399 (162)

Key Technologies and Prospects of Laser Weeding Robots [PDF]

open access: yes智慧农业
[Significance] Grass damage in farmland seriously restricts the quality and yield of crop planting and production, and promotes the occurrence of pests and diseases. Weed control is a necessary measure for high yield and high quality of crops. Currently,
YU Zhongyi, WANG Hongyu, HE Xiongkui, ZHAO Lei, WANG Yuanyuan, SUN Hai
doaj   +1 more source

Optimizing a green manure-based row cropping system for organic cereal production [PDF]

open access: yes, 2018
A row cropping system with an increase of row distance to 24 cm increased the growth of undersown cover crops and allowed 1-2 passes of interow hoeing for weed control before sowing cover crops.
Phan, Hong TT   +1 more
core  

Comparative study of hatching rates of African catfish (Clarias gariepinus Burchell 1822) eggs on different substrates [PDF]

open access: yes, 2005
The hatching rates of African catfish (Clarias gariepinus) eggs on four natural substrates: the roots of Nile cabbage (Pistia stratiotes), water hyacinth (Eichhornia crassipes), pond weed (Ceratophyllum dermasum) and green grass leaves (Commelina sp ...
Macharia, S.K., Ngugi, C.C., Rasowo, J.
core  

Mechanical control of Cirsium arvense in organic farming [PDF]

open access: yes, 2005
Infestation with Cirsium arvense in organic cropping is an increasing problem in many parts of Europe. A very expansive root system and the ability to form new aerial shoots from root buds facilitate formation of dense patches only a few years after ...
Graglia, Enrico, Melander, Bo
core  

Evaluation of macrophyte control in 38 Florida lakes using triploid grass carp [PDF]

open access: yes, 2000
Florida’s large number of shallow lakes, warm climate and long growing season have contributed to the development of excessive growths of aquatic macrophytes that have seriously interfered with many water use activities.
Canfield, Daniel E.   +3 more
core  

Non-inversion tillage in organic arable cropping [PDF]

open access: yes, 2008
The opportunities for using an non-inversion tillage (NI) approach in organic systems has not been well investigated by research and what research has been done has not perhaps been sufficiently long-term.
Trump, Andrew
core  

Herbaceous Filter Strips in Agroecosystems: Implications for Ground Beetle (Coleoptera: Carabidae) Conservation and Invertebrate Weed Seed Predation [PDF]

open access: yes, 2018
A 9.3-ha crop field flanked by two filter strips was selected to: 1) assess carabid beetle activity-density and community composition and 2) assess post-dispersal weed seed predation by invertebrates in these habitats.
Landis, Douglas A   +2 more
core   +3 more sources

Review on the possible interactions of pests, diseases & weeds in cereals grown in organic and conventional agriculture [PDF]

open access: yes, 2001
Background The demand for organically produced food is outstripping the ability of UK farmers to supply it and the majority is imported. Furthermore, there is a major shortfall in home-produced organic cereals and cereal products, including straw.
Anon
core  

Weed Control in White Bean with Pethoxamid Tank-Mixes Applied Preemergence

open access: yesInternational Journal of Agronomy, 2018
Six field experiments were conducted during 2015 to 2017 in Ontario, Canada, to determine the efficacy of pethoxamid applied alone, and in combination with broadleaf herbicides, for the control of annual grass and broadleaved weeds in white navy bean ...
Nader Soltani   +2 more
doaj   +1 more source

Water hyacinth infestation of River Niger and Kainji Lake, Nigeria [PDF]

open access: yes, 2002
(6 page ...
Chizea, F.D.   +3 more
core  

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