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美国从1988年-1992年,经过四年的田间试验,高美施腐植酸有机肥在38种作物上,采用适宜的喷施方法,共经过396次试验,有91%的试验表现出明显的增产效果,平均增产58.9%.作物表现出出土早、根系发达、茎枝粗壮、增加座果,改善品质,提高抗性的优点.这项成果的推广、无论对发达国家和发展中的国家,将对农业做出新的贡献.
The United States from 1988 to 1992, after four years of field trials, the United States high humic acid humic acid organic fertilizer on 38 kinds of crops, the use of appropriate spray method, a total of 396 tests, 91% of the tests showed significant The yield increased by 58.9% on average.The crops showed the advantages of early emergence of roots, developed root system, stout stems, increased fruit set, improved quality and improved resistance.The promotion of this achievement, both for developed and developing countries, Will make new contributions to agriculture.