农作物栽培过程中，需要施用量最多的无机盐是[]A．含铁、锌、钙的B．含锰、铝、铜的C．含氮、磷、钙的D．含氮、磷、钾的-七年级生物

更多内容推荐

• 植物体需要的无机盐中，哪项不是需要量最多的（）A．含铁的无机盐B．含氮的无机盐C．含钾的无机盐D．含磷的无机盐-生物
• 将萝卜条放进盐水中浸泡两个小时，取出后发现萝卜[]A．变硬了B．变软了C．不变D．大许多-七年级生物
• Busy _______ he was, he managed to spare some time to help plan the project.A．whileB．althoughC．asD．w
• You and I could hardly work together, ______?A．could youB．couldn’t IC．couldn’t weD．could we-高一英语
• --- I hear that Jane has achieved great success. --- ________ and __________.A．So she has; so have y
• 谚语讲“有收无收在于水，多收少收在于肥”这说明绿色植物的生活需要（）A．淀粉、蛋白质B．水、无机盐C．维生素、脂肪D．水、有机物-生物
• There are some health problems that, when ______ in time, can become bigger ones later on.A．not tre
• _______ for the doctor’s careful treatment, he _______ till last year.A．If it is not; can’t liveB．We
• 植物体需要的无机盐中，（）的需要量最大．A．含铁的无机盐B．含氮的无机盐C．含钾的无机盐D．含磷的无机盐-生物
• 为促进幼苗发育和花的早日开放，应施以[]A．氮肥B．钾肥C．磷肥D．硼肥-八年级生物
• 在农业生产中，草木灰是一种常用的底肥．根据你所学知识，草木灰的主要作用是（）A．促进细胞分裂分化，使枝叶茂盛B．促进幼苗的生长发育，花的开放，果实和种子成熟C．促进糖类的-生物
• 由NH4NO3、KNO3、KH2PO4、MgSO4和CaCl2等无机物和水按一定的比例配成的营养液适合于培养（）A．衣藻B．酵母菌C．草履虫D．乳酸杆菌-生物
• So______ that most parents are too worried to let their kids travel alone at the beginning of the ne
• "On no account ____to feed the animals", the warning can be seen on the signboard in fron
• –-I don’t like this kind of music.--- __________ . It’s too noisy.A．Nor do IB．Neither am IC．Nor I do
• ________you were coming，I would have stayed at home.A．If I knowB．Should I knowC．Had I knownD．If I sh
• 下列哪项不是植物生长需要的最多的三种无机盐（）A．铁B．磷C．钾D．氮-生物
• 一次施肥过多，会造成“烧苗”现象，其原因是：[]A．土壤溶液浓度过高，细胞吸水过多B．土壤溶液浓度过高，细胞失水过多C．土壤溶液浓度过低，细胞吸水过多D．土壤溶液浓度过低，细-七年级生物
• ______ about the missing Beijing-bound Malaysian flight that he decided to look for more information
• 农作物栽培过程中，需要施用量最多的无机盐是（）A．含氮磷钾的B．含锰钼铜的C．含氮磷钙的D．含铁锌钙的-生物
• 植物可以进行无土栽培的原因是（）A．植物吸收的并不是土壤中的无机盐B．植物的根从土壤中吸收的仅是水分和无机盐C．土壤与植物生长无关D．土壤对植物仅仅起固定作用-生物
• 无土栽培可以更合理地满足不同植物生长对各类无机盐的需要．（______）-生物
• 氮肥的作用是（）A．枝繁叶茂B．硕果累累C．茎杆健壮D．繁花似锦-生物
• — Are you going there with us?— If Mary wants to go, __________.A．I also goB．so do IC．so I willD．so
• _____ and caught the mouse.A．Up the cat jumpedB．The cat up jumpedC．Up jumped the catD．Jumped up the
• This street is very crowded at this time of day.You have to be very cautious while ______.A．to drive
• 菜农描述了承包田里油菜生长的情况，请你查阅资料，帮他找出解决方法．（1）苗期植株生长特别缓慢，且叶片出现紫色，最好施加哪种无机盐肥料？（2）春天返青后，发现叶片发黄，应施-生物
• 如图，取甲乙两个相同的萝卜，各从顶端向下挖一个大小一样的洞。在甲的洞内装入浓盐水，在乙的洞内装上等量的清水。过一段时间后，观察两个萝卜洞内的水位变化，结果将会是：-七年级生物
• Never_____ to the foreign invaders, no matter how powerful they seem to be.A．we can give inB．we shou
• The computer was used in teaching. As a result, not only_________, but students became more interest
• It was about ten minutes after we arrived at a small village __________ it began to pour down．A．when
• 无土栽培能让花卉、蔬菜及粮食生产实现工厂化、自动化（如图所示）．无土栽培能更合理满足植物对下列哪一种物质的需要（）A．二氧化碳B．无机盐C．水D．有机物-生物
• With that trust ____ to serve all Americans and I will do my best to fulfill that duty every day as
• 把两株同一品种同样大小的健壮幼苗分别培养在甲（内装蒸馏水）、乙（内装与甲瓶等量的土壤浸出液）两个瓶内，两周后观察其生长状况（如图）．（1）这两棵幼苗的生长状况不同，看到甲瓶-生物
• ____polite to others and you can get friendship in turn.A．BeB．To beC．BeingD．/-高二英语
• —What do you think of the girl?—Not only ________ well but also ________ modest.A．she works；she isB．
• 农作物栽培过程中，需要施用量最多的无机盐是[]A．含氮磷钾的B．含锰钼铜的C．含氮磷钙的D．含铁锌钙的-七年级生物
• Between the two windowswas taken 10 years ago.A．a picture hangs thatB．a picture hanging whichC．does
• 下列蔬菜中，需要含氮的无机盐较多的是①菜②玉米③大豆④芹菜⑤马铃薯（）A．①②B．①④C．④⑤D．③⑤-生物
• 右图实验现象说明植物的生活需要（）A．水B．光C．氧气D．无机盐-生物
• Maybe you have been to many interesting places, but nowhere else in China ____ such a beautiful plac
• 无土栽培是指根据植物生活所需要无机盐的______和______，按照一定的______配成______来培养植物．-生物
• 植物在开花结果期，最宜施用含（）较多的肥料．A．磷B．钾C．硼D．氮-生物
• So _____ that modern industry cannot develop without it.A．electricity is importantB．important is el
• ____ he met with the difficulty did he realize that our help was of great importanceA．It was only wh
• Not once________to Michael that he could one day become a top student in his class.(2013·湖南，35)A．occ
• 农谚说“有收无收在于水，多收少收在于肥”，“肥”的作用是给植物的生长提供（）A．二氧化碳B．有机物C．空气D．无机盐-生物
• 含氮的无机盐对植物生长的作用是（）A．促进细胞的分裂和生长，使枝叶长得繁茂B．促进幼苗的发育和花的开放C．使果实、种子的成熟提早D．使茎杆健壮，促进淀粉的形成-生物
• If you go to Xi’an, you will find the palaces there more magnificent than commonly ______.A．supposin
• 植物体内需要量最大的无机盐是（）A．氮、磷、铁B．氮、磷、钾C．氮、硼、钾D．硼、磷、铁-生物