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Complement in nutrition and weed control in soybeanqrcode

Jan. 17, 2017

Favorites Print Jan. 17, 2017
Numerous scientific studies show that certain micro elements, such as Zinc or Manganese, are immobilized due to the presence of the glyphosate molecule.
Nature has provided us with a tool to control weeds, and this tool is highly efficient and comes at a low cost. This natural "herbicide" is nothing more than the effect of shade. Such shading is favored and is more effective in crops that, apart from the distance between furrows, the number of plants, or other such factors, are well nourished. So farmers should opt for achieving the optimal Foliar Area Index as soon as possible.
As far as nutrition is concerned, numerous tests have shown that just adding Phosphorus or possibly Sulfur does not solve the issue. The impact of the glyphosate molecule also matters that renders ineffective the presence of Zinc and Manganese in cultivation. 
Scientific studies conducted since 2003 are relevant to understand this aspect. Romheld et al (2005) mentioned that the application of glyphosate affects the absorption of Manganese and other micronutrients as Zn. Feng et al 2003 related this lower absorption with the formation of insoluble complexes in the rhizosphere. Gordon 2007found that RG soybeans were less efficient at absorbing Zn and Mn than conventional soybeans. Huber 2007 from the Purdue University demonstrated the effect of glyphosate inhibiting the absorption of Manganese. Other authors mention that glyphosate within the plant can immobilize (chelate) these micronutrients, generating induced deficiencies. 
Therefore, the practice of using glyphosate prior to furrow closure is going to be much more efficient if we try to improve the growth of the crop by correcting the deficiencies induced by this herbicide and thus deal with the availability of elements such as Zinc or Manganese. This could be fundamental in many metabolic processes and result in improving the general condition of the crop and its potential yield.
BASFOLIAR® ADVANCE from COMPO EXPERT is the combination of nutrition, together with improved weed control in soybean cultivation, incorporating Nitrogen, Sulfur, EDTA chelates from Zn (Zinc) and Mn (Manganese), and humectant which ensures the maximum absorption of nutrients and favors the activation of the herbicides. In addition to the nutritional contribution, the product increases the phyto-sanitary absorption and translocation rate since it contains a part of the nitrogen as ammonium ion, operating as a carrier of the product.
On the other hand, we must take into account that a pre-emergent herbicide, however efficient, begins to lose its residuality after 90 days of application on an average, depending on soil types and environmental conditions. Therefore, the more we accelerate the closure of the furrow, the more efficient we are going to be in weed control. This can be achieved by supplementing via foliar route the available Nitrogen and Sulfur in the soil and correcting the induced deficits of Zinc and Manganese. Overlapping the last stages of residuality of the pre-emergence herbicide with the shading from accelerating the closure of the furrow allows us to improve weed control in an efficient and economically sustainable way. BASFOLIAR® ADVANCE is certainly a step forward in the right direction.

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