叶面喷施萌帮水溶性肥料对小麦产量的影响

Effects of Foliar Spraying Mengbang Water Soluble Fertilizer on Yield of Wheat

采用对比试验设计方法,研究了小麦穗期叶面喷施萌帮水溶性肥料〔375、750和1 500 g/(hm2.次)〕与喷施磷酸二氢钾〔750和1500 g/(hm2.次),CK〕对小麦产量的影响,旨为验明小麦穗期用萌帮水溶性肥料替代磷酸二氢钾进行叶面喷施的效果。结果表明:相同用量条件下,喷施萌帮水溶性肥料的小麦产量与喷施磷酸二氢钾相当,其中萌帮水溶性肥料施用量为1500 g/(hm2.次)、连喷2次的产投比最大(4.87)。在小麦穗期进行"一喷三防"时完全可以用萌帮水溶性肥料代替磷酸二氢钾,以施用量1500 g/(hm2.次)、连喷2次为宜。

The effects of foliar spraying Mengbang water and potassium dihydrogen phosphate [750 and 1 500 g/ by contrast experiment design method in order to identify of potassium dihydrogen phosphate in wheat earing stage. soluble fertilizer [ 375, 750, 1 500 g/ （hm2 ·time） （hm2 · time） , CK] on the yield of wheat were studied the effect of foliar spraying water soluble fertilizer instead The results showed that under the condition of the same Mengbang stage was potassium ~ time） of time ） of water soluble fertilizer continuously twice instead of potassium dihydrogen phosphate in wheat earing feasible.