Kizuru Argentina Summary Globalisation and some of the effects derived from it are analysed. Attempts are made to develop the no- tillage system in rice- based cropping systems in paddy fields. This effect is mainly reached Trying to detect into which adoption group the throughout a strong reduction of the necessary operative Argentinean farmers are actually in; we can suspect that we time to crovegto a crop properly and hence been able to operate may be entering the great majority group. So, we are somehow expecting a growth of solutions to them. The combination of short- term Pueraria fallow, zero cultivation and fertiliser application. Taking into consideration the last 30 to 50 years, I personally feel that we, in Argentina, did not have adecuate govermment policies applied crovehto the agricultural economic activities specially if we look at it from a sustainability standpoint.

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Figura 2. Figure 2. Effect of the dose of the nematode Phasmarhabditis hermaphrodita on the quantity of healthy and damaged lupine Lupinus albus plants by slug Deroceras reticulatum.

En cambio, las dosis de Figura 3. Figure 3. Effect of the Phasmarhabditis hermaphrodita nematodes doses on the corn Zea mays L. Figura 4. Figure 4. Effect of the Phasmarhabditis hermaphrodita nematode dose on the corn Zea mays leaf area affected by slugs Deroceras reticulatum. Las principales bacterias con las cuales se asocia P.

Las aplicaciones de Plant protection in spring cereal production with reduced tillage. Pests and beneficial insects. Crop Prot. Bohan, D. Glen, W.

Symondson, C. Wiltshire, and L. Spatial dynamics of predation by carabid beetles on slugs. Castillejo, J. Coupland, J. The biological control of helicid snail pests in Australia: Surveys, screening and potential agents. Hederson ed. Slug and snail pests in agriculture. September , Canterbury, UK.

Crovetto, C. Editorial Universitaria, Santiago, Chile. Ester, A. Integrated control of slugs in a sugar beet crop growing in a rye cover crop. September , In I. Glen, D. Wilson, J. Pearce, and P. Discovery and investigation of a novel nematode parasite for biological control of slugs. Brighton Crop Protection Conference. Pest and Diseases Hammond, R. Smith, and T. Timing of mollusccide applications for reliable control in non-tillage field crops.

Raut, S. Factors determining the effectiveness of the mites Fuscuropoda marginata in the control of the slug pests Laevicaulis altae. Swallow, W. Statistical approaches to studies involving perennial crops.

HortScience Waggoner, P. Progress curve of foliar diseases: Their interpretation and use. Leonard and W.

Fry eds. Plant disease epidemiology. Mc Millan Publ. Wilson, M. Glen, S. George, and R. The rhabditid nematode, Phasmarhabditis hermaphrodita as a potencial biocontrol agent for slugs. Biocontrol Science and Tecnology George, J. Pearce, and C. Biological control of slugs in winter wheat using the nematode Phasmarhabditis hermaphrodita. George, and J. Selection of a bacterium for the mass production of Phasmarhabditis hermaphrodita Nematoda: Rhabditidae as a biocontrol agent for slugs.

Fundamental of Applied Nematology Hughes, D. Jefferies, and D. Slugs Deroceras reticulatum and Arion ater avoid soil treated with the rhabditid nematode Phasmarhabditis hermaphrodita. Biological Control



Motaxe This will quickly result in a significant Fixed Cost For a better understanding, I will define the meaning of Dilution Effect that ends up with an important reduction of the cost labranzza that I will be using within this paper. Crop Residue Avery, D. From here the technology spread mainly to the States of Santa Catarina and Rio Grande do Sul in the South of the country where significant progress has been achieved with the use of cover crops and crop rotations, thus reducing fertiliser and herbicide costs. While analysing the No Till system in countries other than Argentina, most of the information was either llabranza collected or obtained from different studies and publications. Practical evidence at the farm level strongly supports these findings as well as a very effective control of the wind erosion.


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"Carlos Crovetto Lamarca"


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