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强丰1号是河南省扶沟特种肥厂生产的腐植酸微肥,在河南省应用较多,为进一步了解其在河北棉区短季棉上的应用效果,特设置本试验,就其施用时期对棉花的生长发育和产量的影响进行了探讨,从而为在相关棉区推广应用提供试验依据。 1 材料与方法 本试验于1998年在邢台农科所试验场进行。试验设4个处理(表1),强丰1号应用浓
Qiangfeng No.1 is a humic acid-based fertilizer produced by Fugou Special Fertilizer Plant in Henan Province and is widely used in Henan Province. In order to further understand its application effect on short-season cotton in Hebei cotton area, Period on cotton growth and yield were discussed, so as to provide experimental basis for the promotion and application of the cotton area. 1 Materials and Methods This experiment was conducted in Xingtai Agricultural Institute in 1998. Test set up four treatments (Table 1), strong abundance 1 application concentration