Views: 0 Author: Site Editor Publish Time: 2022-03-22 Origin: Site
We carried out the foliar spraying experiment of kelp fertilizer with different concentrations in winter wheat farm. The concentrations were 300 times, 600 times and 900 times respectively, and the control was clear water. The spraying time was the late greening stage of wheat on March 6th, the jointing stage of wheat on April 10th and the booting stage of wheat on April 26th, respectively, and the final wheat yield increased by 14.7%, 22.6% and 22.9% respectively.