The red stuff that you often see being dropped from planes and helicopters is a chemical retardant that contains phosphate fertilizer, which helps to slow and cool down the fire.
通常你见到的从飞机和直升机上洒下的红色物质就是一种化学延缓剂,这种延缓剂含有磷肥,能够减缓和冷却火。
The influence of three fertilizer structures on the status of nitrogen, phosphorus and potassium in paddy soil derived from red earth was studied.
本文论述了三种肥料结构对红壤性水稻土氮磷钾养分状况的影响。
Our study suggested that the optimum amount of organic fertilizer in the red soil citrus orchards was about half of annual nitrogen fertilizer.
红壤柑桔园有机肥的施用量(指氮素)占总施肥量的一半左右是合适的。
The availabilities of Pb and Cd in rhizosphere of red soil would drop with adding phosphatic fertilizer.
增施磷肥红壤根际有效态铅、镉的活性降低。
Effective fertilization was studied by fertilizer experiment in red soil deteriorate pasture.
通过肥料试验,对红壤退化人工草地的合理施肥技术进行了研究。
Amino acid fertilizer was used in ripening stage for improving the yield and fruit quality of Red Globe grape in postpone culture.
为提高红地球葡萄延迟栽培中果实质量和产量,于成熟期进行了氨基酸液肥灌根。
Potassium fertilizer should be applied to red-brown-purple soil especially paddy soil to supplement and maintain the K level in soil.
灰棕紫泥和红棕紫泥有较强的供钾潜力,红棕紫泥尤其是红棕紫泥水稻土必须注意施用钾肥以补充和维持土壤的钾素水平。
Potassium fertilizer should be applied to red-brown-purple soil especially paddy soil to supplement and maintain the K level in soil.
灰棕紫泥和红棕紫泥有较强的供钾潜力,红棕紫泥尤其是红棕紫泥水稻土必须注意施用钾肥以补充和维持土壤的钾素水平。
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