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1.
Grey spots of oat are caused by deficiency of
2.
A nutritionally wild type organism, which does not require any additional growth supplement is known as
3.
Which of the following elements is considered as beneficial elements in higher plants?
4.
Which of the following is limiting nutrient for both natural and agricultural ecosystems?
5.
Plant deficient of element zinc, shows its effects on the biosynthesis of plant growth hormone
6.
Julius Von Sachs, who demonstrated hydroponics first, was from
7.
Which of the following is not considered as a trace element (micronutrient) in the plant?
8.
Maximum amount of macronutrients that are generally present in plant tissue is
9.
Which of the following shows the deficiency symptoms of nitrogen in plants?
10.
Which of the following is a macronutrient?