In 2020 in which the use of fertilizers was consolidated, with 5 million tons applied, 7% more than in 2019, the growth of phosphorus applications stood out, particularly with a first broadcast dose in winter (70%) and the rest at the time of sowing.
“That implies un better understanding of the management of technology and allows to make high yield doses in soybeans”, Said the executive director of Fertilizar Asociación Civil, Maria Fernanda Gonzalez Sanjuan, who explained that a first broadcast application in winter will avoid operational complications, because “the planter cart has a hopper and another with fertilizer goes behind it. If high-yield soybeans are intended, for each seed hopper you have to apply two fertilizer, then when you get to the head, you have to load fertilizer again because the planter box is not enough ”.
The solution found, taking into account that “the phosphor does not move” is to do that first broadcast application and at the time of sowing the remaining 30% is put on the linea, like a starter. “This is how the system is improved and it is the signal of how the producer begins to understand how phosphorus works,” said González Sanjuan.
María Fernanda González Sanjuan, executive director of Fertilizar, highlighted that the increase in volumes of applied fertilizers occurred with improvements in management and Good Agricultural Practices.
The specialist stood out before Clarion that “if there is good humidity, at first the plant starts up very well and generates a lot of leaves, which is like the motor of the machine and is what will later gather a lot of energy and nutrients and will send it to the grain”.
What happens in dry campaigns like the current one?
“The problem is if the plant does not receive water halfway, because it has a lot of foliage to maintain. For this to happen, there must be very severe water stress. A drought like the one in 2018 would be very damaging, but the current one does not seem so extreme or so widespread, because there are areas that received rains that came very well, although it is clear that in other cases they are not enough ”.
-What peculiarities does this nutrient present?
-Phosphorus is a different nutrient, it has a closed cycle, it does not leach, it does not evaporate, it does not move. So when you have a good price relationship and you are looking for a money opportunity, phosphorus becomes a very good investment. We have seen shipments of phosphorus anticipated compared to last year and we assume that the producer identified a good price relationship, saw this need to preserve the value of the peso and was fitted with inputs such as phosphorus, which has no risk to the environment in doses adequate.
-Are there other management issues to highlight?
-There was an understanding of the management of technology and that is what we want to highlight from Fertilize. In addition to the fact that consumption increased, the producer is very well informed, although we have to add others because some are lagging behind. But in general there is information very well used.
-Is there growth and Good Practices?
-Everything indicates, from the preliminary figures, that the 2020 market was more than 5 million tons, a record year, but more than that we celebrate that there is a greater understanding of nutrition in general on the part of the producer. We will also see how soil tests evolved; Everything indicates that growth has been important because the productive framework was better understood. Because growth must be hand in hand with Good Agricultural Practices. Without information and without full understanding, all this is a problem, and all of this is fundamental. If not later we will spend a lot of energy correcting mistakes.
-How much do crop rotations affect?
-It is essential: that the producer maintained the rotation and that drives the market, because grasses are species that carry more fertilizers than legumes and the fact that the producer has maintained the hectares of grasses means that the fertilizer market does not fall. But the most wonderful thing about this is the carbon that the grass leaves and that there is no other way to incorporate it. In the case of wheat, we have found lots with yields of six or seven thousand kilograms per hectare. We will see the quality of these wheats, that the nitrogen that was put in has been enough to generate yield in kilograms and to generate protein in wheat quality.
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