Boron may be blended into dry fertilizers such as 0-0-60 or 0-14-42. After taking the soil sample, select the appropriate test to obtain the desired information. BORON (B) ppm in soil test. BORON: Plants need a small amount of boron to grow, but too much boron makes crops grow poorly.
Below 0.1 Deficient 0.1 - 0.5 Satisfactory for all crops 1 Sensitive crops may show visible injury but yields may not be affected Boron application. Wear protective clothing, including safety eyewear, and wash well with soap and water after applying the boron. This test may be run every 2-3 years. Michigan State University Extension: Boron in Vegetables: Not Too Little, Not Too Much. Table 5. WHAT THE BORON SOIL TEST MEANS. references. Soil testing and recommendation for boron in Minnesota. Select the Proper Test. Boron fertilizer should be applied based on recent soil test results. Several different soil tests are available at the Extension Soil, Water, and Forage Testing Laboratory. The hot water B test is appropriate for sandy soils or soils in high rainfall areas where a … You don’t want to overapply either, though, because too much boron … So even though boron only registers 0.5 ppm to 2.0 ppm on most soil tests, you don’t want plants to run short. These include tests for routine nutrients, micronutrients, boron, detailed salinity, lime requirement, texture and organic matter. A soil test for B is available through most soil testing laboratories. Boron fertilizers include borax (11 percent boron) and borate granular (14 percent boron). Apply the recommended boron to the soil, and water the area to move boron into the root zone.