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硼酸和硼砂是常用的硼肥,可作基、种、追肥,也可用来拌种,浸种和喷洒。基肥亩用量控制在半斤以内,最好与氮、磷、钾化肥混合后施用。浸种的常用浓度为0.01～6.1％,浸6～12小时即可。拌种时务必将硼肥碾成细粉,每斤种子0.2～0.5克。喷洒用0.01％(树木用0.1～0.3％)浓度的溶液,每亩每次100～150斤水溶液,最好在禾谷类作物拨节至孕穗期,油菜的苗期至薹期两为好。作基肥的硼酸或硼砂有两、三年后效,不必年年施用。
Boric acid and borax are commonly used boron fertilizer, can be used as base, seed, top dressing, can also be used to seed dressing, soaking and spraying. Base fertilizer mu amount of control within half a catty, preferably with nitrogen, phosphorus and potassium fertilizer mixed application. Seed soaking the common concentration of 0.01 to 6.1%, dip 6 to 12 hours can be. Be sure to grind the boron fertilizer into fine powder, 0.2 to 0.5 grams per kilogram of seeds. Spraying with 0.01% (trees with 0.1 ~ 0.3%) concentration of the solution, each acre 100 ~ 150 pounds of water solution, preferably in the diallel of cereal crops to booting stage, rapeseed seedling to two at the best. Boric acid or borax as basal fertilizer has two or three years after the effect, do not have to use every year.