Yield of horseshoes measured, an increase of 3,000 jin per mu——Meister2021-01-09355Crop: Horseshoe(Water chestnuts)Location: Bei hai City,  Guang xi Province, ChinaProduct : MeisterTime: 2020年1月6日Result:Yield increased by 4.6 jin per square meter, which is expected to increase by 3068.2 jin per mu