Boron is an essential plant nutrient for normal cell growth and development.
boron fertilizer It is also critical for pollination and seed formation. In many crops, boron deficiency symptoms can become severe enough to cause economic damage. These include reduced yield and seed quality, twisted stems and stunted growth, rosette appearance in cole crop, hollow stems in beets, turnips, and rutabagas, and corky tissue in the internal tissues of tomatoes .
Soil test results, liming history, weather conditions and tillage influence boron availability and leaching.boron fertilizer Soil boron concentrations are lowest in sandy, coarse-textured soils. Soil boron leaching increases with rainfall and irrigation and is affected by organic matter (OM) content and acidity. In addition, tillage and drought decrease soil B availability.
Research has shown that boron fertilizer can increase yields, especially in legumes, soybeans and wheat.boron fertilizer However, soybean responses to boron vary widely across trials. Often, these responses are attributed to the high variability in boron status of the soybean population within a field.
When boron is available to the crop, it moves with water movement in the soil and is uptaken by the roots.boron fertilizer As a result, boron uptake is most effective in wet soils. A boron application in the spring is critical for these types of soils and is recommended for all other soils as well. A split application is particularly beneficial for alfalfa which demands both boron and potassium.
A soil test is the best tool to determine if your fields have adequate levels of boron. On average, a soil containing 5 ppm available boron is considered sufficient for most crops. Leaf boron levels greater than this can be toxic to some crops.
Although boron is required in small amounts, delivering this nutrient at the correct time and in the right form to meet crop demand is challenging. Insufficient blending of dry bulk blend broadcast fertilizers can result in uneven boron distribution or “hot spots.” Banding boron with N, P and K products is one method for providing more accurate application rates.
Foliar applications are another way to provide boron. This is a good option when the season for applying soil-applied fertilizers has expired or in situations where foliar uptake is more effective than root uptake.
A combination of the best application methods can help ensure that your crops receive adequate boron nutrition.
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