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> 农作物甘蔗收获的是茎,为了增加产量,可以在其生长区适量补充下列哪种无机盐()A.含氮无机盐B.含钾无机盐C.含磷无机盐D.含钙无机盐-七年级生物
农作物甘蔗收获的是茎,为了增加产量,可以在其生长区适量补充下列哪种无机盐()A.含氮无机盐B.含钾无机盐C.含磷无机盐D.含钙无机盐-七年级生物
题目简介
农作物甘蔗收获的是茎,为了增加产量,可以在其生长区适量补充下列哪种无机盐()A.含氮无机盐B.含钾无机盐C.含磷无机盐D.含钙无机盐-七年级生物
题目详情
农作物甘蔗收获的是茎,为了增加产量,可以在其生长区适量补充下列哪种无机盐( )
A.含氮无机盐
B.含钾无机盐
C.含磷无机盐
D.含钙无机盐
题型:单选题
难度:偏易
来源:不详
答案
钾能促进植株茎秆健壮,改善果实品质,增强植株抗寒能力,提高果实的糖分和维生素C的含量,有利有机物向植物储存器官内转运.所以农作物甘蔗收获的是茎,为了增加产量,可以在其生长区适量补充含钾无机盐,可见B正确
故选:B.
上一篇 :
小明家的油菜只开花不结果实,需
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下列关于无土栽培的说法正确的
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题目简介
农作物甘蔗收获的是茎,为了增加产量,可以在其生长区适量补充下列哪种无机盐()A.含氮无机盐B.含钾无机盐C.含磷无机盐D.含钙无机盐-七年级生物
题目详情
答案
故选:B.