油菜在苔期或花期喷硼,都有增产作用.据1980年全省12个县市63个试验示范点喷硼试验结果,在油菜抽苔或盛花期,每亩喷0.2%浓度的硼砂水溶液100斤,增产的55个点,增产幅度为3.1-55.6%,平均增产14.8%;减产的8个点;平均减产12.1%.苔期喷硼,平均增产21.7%;花期喷硼平均增产11.6%;苔、花两期喷硼平均增产 Rape in the moss or flowering boron, have increased production.According to 1980 in 12 counties and cities in 63 pilot demonstration boron spraying test results, rape bolting or flowering, spraying 0.2% per acre of borax aqueous solution 100 kg, increase 55 points, the increase rate of 3.1-55.6%, an average yield of 14.8%; 8 points cut; the average yield reduction of 12.1% .Both spraying boron, an average yield of 21.7%; flowering boron average yield of 11.6% ; Moss, flowers two spray boron average yield