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Registros recuperados: 55
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Reducing the use of copper in potatoes Organic Eprints
Dierauer, Hansueli; Siegrist, Franziska; Weidmann, Gilles.
• Lower accumulation of copper in the soil. • Less damage to microorganisms in the soil. • Potential saving in costs of spraying agent. • Improved distribution of spraying agent over the required period of treatment until exhaustion of the permitted maximum quantity. Practical recommendation Adapting dosage to state of infestation: As long as there is no infestation in a radius of 50 km, refrain from treating. Observe national information and alert services. As soon as the first case of infestation in the region is reported, protect potatoes with 200 to 250 g of pure copper per hectare. If potatoes in your own or neighbouring fields are afflicted by leaf blight, increase the dosage to 800 g and do not wait longer than a week in between treatments....
Tipo: Practice tool Palavras-chave: Crop health; Quality; Protection Root crops.
Ano: 2017 URL: http://orgprints.org/31028/13/PA_012_Reducing-copper-potatoes_final_QR.pdf
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Reducing the use of copper in potatoes Organic Eprints
Dierauer, Hansueli; Siegrist, Franziska; Weidmann, Gilles.
The practice abstract explains how to reduce the dosage of copper and to adapt the intensity of treatments in order to minimise the negative effects of copper on the environment.
Tipo: Report Palavras-chave: Crop health; Quality; Protection Root crops.
Ano: 2017 URL: http://orgprints.org/32787/1/Reducing%20the%20use%20of%20copper%20in%20potatoes.pdf
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Reducing weed seed pressure with the false seedbed technique Organic Eprints
Dierauer, Hansueli; Conder, Malgorzarta; Weidmann, Gilles.
The practice abstract explains the use of the false seedbed technique for weed management in arable and horticultural crops.
Tipo: Report Palavras-chave: Weed management.
Ano: 2017 URL: http://orgprints.org/32789/1/reducing%20weed%20seed%20pressure%20with%20the%20false%20seedbed%20technique.pdf
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Reducing weed seed pressure with the false seedbed technique Organic Eprints
Dierauer, Hansueli; Conder, Malgorzarta; Weidmann, Gilles.
The false seedbed technique reduces the weed seed bank in the topsoil and, as a result, significantly reduces competition of annual weeds in the succeeding crop. • Prepare a regular seedbed 2 to 4 weeks before the planned seeding date of the next crop. • Let the weeds germinate and grow to the 2- to 4-leaf stage, the most effective stage for weed control. • Uproot the weeds to a depth of 3 to 5 cm using a harrow comb or a flexible or chain harrow. • If (a) weed density is high, (b) if you have 7 to 10 days available for sowing the crop, or if (c) weed competition in the following crop is very critical, repeat the procedure a second time before sowing the crop as usual. Notes • Weed seed germination is highest in humid soil with a fine tilth. If...
Tipo: Practice tool Palavras-chave: Weed management.
Ano: 2017 URL: http://orgprints.org/31022/19/PA_007_Falsches-Saatbett_final_QR.pdf
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Reduktion des Kupfereinsatzes in Kartoffeln Organic Eprints
Dierauer, Hansueli; Siegrist, Franziska; Weidmann, Gilles.
Kupfer schützt Kartoffeln zuverlässig vor der Krautfäule, schädigt aber bei höherem Eintrag die Bodenorganismen. Dieser Praxistipp erläutert das Potential einer situationsabhängigen Behandlungsgestaltung zu einer Reduktion der Kupferdosierung.
Tipo: Report Palavras-chave: Crop health; Quality; Protection Root crops.
Ano: 2017 URL: http://orgprints.org/32786/1/Reduktion%20des%20Kupfereinsatzes%20in%20Kartoffeln.pdf
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Rolling of grains to prevent winter kill damage Organic Eprints
Dierauer, Hansueli; Siegrist, Franziska; Weidmann, Gilles.
The pressure of the roller stimulates not only the forma¬tion of roots and improves access to water, but stimulates also the tiller of the grain increasing its stability and thus reducing the risk of falling over. Practical recommendation • Rolling requires dry soil in order to prevent the soil from sticking to the roller and ripping out the plants (especially when using smooth rollers). • The corrugated roller must not damage the plants too much. Take special care when using sharp-edged rollers. • Every mechanical interference puts the plants under stress. For this reason, it is advised to go at a maximum rolling speed of 5 km/h. Notes • Even in densely sown or strongly fertilized spelt crops, the rolling is recommended. It weakens the main shoot...
Tipo: Practice tool Palavras-chave: Production systems Cereals; Pulses and oilseeds Soil tillage Crop health; Quality; Protection.
Ano: 2017 URL: http://orgprints.org/31034/14/PA_030_Wintergetreide_walzen_final_QR.pdf
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Rolling of grains to prevent winter kill damage Organic Eprints
Dierauer, Hansueli; Siegrist, Franziska; Weidmann, Gilles.
The practice abstract explains the rolling of winter grains in spring to stimulate the formation of roots and improve access to water.
Tipo: Report Palavras-chave: Cereals; Pulses and oilseeds.
Ano: 2017 URL: http://orgprints.org/32781/1/Rolling%20of%20grains%20to%20prevent%20winter%20kill%20damage.pdf
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Testing peas for legume fatigue Organic Eprints
Fuchs, Jacques G.; Wilbois, Klaus-Peter; Conder, Malgorzarta; Weidmann, Gilles.
The method offers reference points regarding the soil's contamination with these pathogens, and thus indication for a possibly required cultivation break. Refraining from cultivating on contaminated soils helps avoid the situation of a high yield loss due to legume fatigue. Practical recommendation 1. Extract 10 litres of humid soil from the field plot you wish to examine and sieve it down to a grain size of 10 mm. 2. Moisten dry samples and mix them up evenly. 3. Fill four aluminium trays with the humid soil and store the remaining soil. 4. Cover the trays filled with soil with tinfoil and place them in the baking oven. Sterilise the samples for at least 12 hours at 70-100 °C in the oven. 5. Let the aluminium trays cool for 12 hours after...
Tipo: Practice tool Palavras-chave: Production systems Soil quality Cereals; Pulses and oilseeds Soil Farm nutrient management.
Ano: 2017 URL: http://orgprints.org/31023/13/PA_008_Leguminosenm%C3%BCdigkeit_final_QR.pdf
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Umstellung auf Bio Erfolgreich in den Biolandbau starten Organic Eprints
Dierauer, Hansueli; Weidmann, Gilles; Heller, Stefan.
Umstellungsinteressierten Landwirten wird die Annäherung an den Biolandbau mit diesem Merkblatt erleichtert. Enthalten sind unter anderem wertvolle Hinweise zu Voraussetzungen, möglichen Schwierigkeiten, Ökonomie, Vermarktung und Kontrolle. Mit einem einfachen Test kann eingeschätzt werden, wie nah der eigene Betrieb beim Biolandbau ist.
Tipo: Book Palavras-chave: Education; Extension and communication.
Ano: 2014 URL: http://orgprints.org/18041/4/1001-umstellung.pdf
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Use of rock dust against the rape pollen beetle Organic Eprints
Daniel, Claudia; Conder, Malgorzata; Weidmann, Gilles.
Through the use of rock dust at the beginning of the bud development, the infestation by the rapeseed beetle can be reduced by an average of one third. In the treated area the pods per square meter increased by up to a quarter, thereby increasing the yield in treated areas by around 25 %. Practical recommendation • Optimal time of treatment: The rape pollen beetles enter the fields at a temperature of 15 °C. Therefore a first treatment with rock dust is appropriate as soon as this threshold has been reached and the buds become visible between the leaves and will be reached by the spray liquid (BBCH 52). • Note: Pollen beetle infestation is supported by late blooming, frequent rapeseed cultivation and cultivation close to woodland. • A second treatment...
Tipo: Practice tool Palavras-chave: Crop health; Quality; Protection.
Ano: 2017 URL: http://orgprints.org/31036/19/PA_032_Steinmehl_gegen_Rapsglanzk%C3%A4fer_QR.pdf
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Use of rock dust against the rape pollen beetle Organic Eprints
Daniel, Claudia; Conder, Malgorzarta; Weidmann, Gilles.
The practice abstract explains the use of rock dust or other dusty products to reduce damage by the pollen beetle on rapeseed plants.
Tipo: Report Palavras-chave: Cereals; Pulses and oilseeds Crop health; Quality; Protection.
Ano: 2017 URL: http://orgprints.org/32759/1/Use%20of%20rock%20dust%20against%20the%20rape%20pollen%20beetle.pdf
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Using crop rotation to control wireworms Organic Eprints
Dierauer, Hansueli; Weidmann, Gilles; Siegrist, Franziska.
• Perennial grass-clover leys promote wireworms. For this reason, a perennial cultivation of grass-clover ley should be avoided if there is any indication of wireworm infestation. • After ploughing the meadows or the perennial grass-clover ley, wait until the third or, if possible, even fourth year to plant susceptible crops like potatoes, carrots, onions or salad. • In general, a diverse crop rotation promotes various beneficial organisms and lowers the infestation of wireworms. • No cultivation of potatoes in strongly affected areas! • Rye, fodder radish and vetch are a possible green manure for overwintering. A low infestation of wireworms was observed in crop rotations with peas and lupines. • The cultivation of legumes (peas, field beans, bush...
Tipo: Practice tool Palavras-chave: Crop combinations and interactions Crop health; Quality; Protection Root crops.
Ano: 2017 URL: http://orgprints.org/31031/1/PA_027_Drahtw%C3%BCrmer-final_QR.pdf
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Using crop rotation to control wireworms Organic Eprints
Dierauer, Hansueli; Siegrist, Franziska; Weidmann, Gilles.
The practice abstract explains the use of crop rotation to reduce the infestation risk by wireworms in potatoes.
Tipo: Report Palavras-chave: Crop health; Quality; Protection Root crops.
Ano: 2017 URL: http://orgprints.org/32757/1/Drahtw%C3%BCrmer%20durch%20Fruchtfolgeplanung%20minimieren.pdf
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Weed control in soy with the finger weeder Organic Eprints
Dierauer, Hansueli; Siegrist, Franziska; Weidmann, Gilles.
The finger weeder is the only mechanical hoe that also controls weeds within the row thanks to a slanted position and adjustable overlap of the finger plates, and it greatly reduces manual labour. It offers good performance for most row crops. • Pass once with the harrow 2 to 3 days after sowing the soy (blind harrowing), when many seed weeds have al-ready sprouted. At this moment, the harrow is able to efficiently cover or expose the weeds (up to 90 % efficiency), but avoid damaging the soy seedlings. • A second round with the harrow, applying little tine pressure (a precision tined-weeder recommended), is possible when the soy plants have developed their first pair of leaves. • From the soy's two-internode stage (plant height of about 15 cm) onwards,...
Tipo: Practice tool Palavras-chave: Cereals; Pulses and oilseeds Soil tillage Weed management.
Ano: 2017 URL: http://orgprints.org/31017/19/PA_002_Fingerhacke_final_QR.pdf
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Winter field peas as green manure before maize Organic Eprints
Koller, Martin; Dierauer, Hansueli; Weidmann, Gilles; Conder, Malgorzata.
Ploughing in winter field peas in spring provides 100 kg of nitrogen to the succeeding crop and increases yield. The improved development of the crop also leads to an improved weed control. Possible disadvantages are the growing costs and restrictions when cultivating peas as a main crop in the rotation. Position of green manure in the crop rotation • After late crops like potatoes, sun flowers and field vegetables. After grains, green manure is possible after repeated stubble treatment against root weeds. • Possible succeeding crops are maize, potatoes or field vegetables that require nitrogen (e.g. spinach). Not grain legumes. • The earliest point for repeating the pea fertilization on the same field is after 6 years. In between this time frame,...
Tipo: Practice tool Palavras-chave: Crop combinations and interactions Cereals; Pulses and oilseeds Weed management Farm nutrient management.
Ano: 2017 URL: http://orgprints.org/31026/25/PA_010_Erbsengruenduengung_QR.pdf
Registros recuperados: 55
Primeira ... 123 ... Última
 

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