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聚氨酸型稳定性肥料田间研究结果

2021-09-15

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10月,是收获的季节。

2022年度新型聚氨酸型稳定性肥料在全国主要农区的5个典型土壤开展了试验示范研究。研究的具体地点和土壤分别是吉林农业科学院公主岭刘房子黑土试验基地的黑土,沈阳农田生态系统国家野外科学观测研究站棕壤青岛农业大学胶州试验基地的砂浆黑土,江西宜春学院农学基地实验站的红壤和甘肃农业科学院武威生态实验站灌漠土

与常规施肥对照相比,聚氨酸稳定性肥料在全国5个不同农区土壤上对玉米均有明显的增产效果,肉眼可见的是施用聚胺酸稳定性肥料的玉米气生根尤为发达且叶色浓郁(见图1)。

1 聚胺酸稳定性肥料和普通化肥的效果对比图

 

聚氨酸型稳定性肥料在吉林黑土、辽宁棕壤、青岛砂浆黑土、江西红壤和甘肃灌漠土上的增产效果分别达到6.49%10.74%11.25%16.88%10.87%

同样与常规施肥对照相比,在减少聚胺酸稳定性肥料20%施用量之后,不但没有减产,还有一定的增产效果,增产率分别达到1.54%4.02%2.38%6.49%5.70%

  

聚氨酸型稳定性肥料增产节肥效果显著,在全国不同区域均稳定增产,尤其在红壤上的增产节肥效果突出,适宜在全国大面积施用。

这里是占位文字

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