Study on Application Effect of Humic Acid Water-soluble Fertilizer on Wheat Fields
[Objective]The effects of leaf spraying humic acid water-soluble fertilizer on growth,yield composition and economic benefit of winter wheat were studied by field plot experiment.[Method]Using Xumai 35 as the material,the humic acid foliar fertilizer was sprayed once in wheat regreening stage,jointing stage and booting stage,and the application effect was obtained.[Result]Humic acid water-soluble fertilizer could increase the number of spikes,number of grains per spike and 1 000-grain weight of wheat,the yield increase rate is 10.58%,the yield increase effect was significant,the yield to investment ratio was 5.76∶1,and the economic benefit was obvious.[Conclusion]The leaf fertilizer containing humic acid produced by Huarun could be widely applied in Fengyang county.