EVERYDAY SCIENCE

SCIENCE

BOTANY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following are plant macronutrients?
A
molybdenum, chlorine, and fluoride
B
iron, zinc, and manganese
C
boron, copper, and cobalt
D
mangesium, sulfur, and calcium
Explanation: 

Detailed explanation-1: -Secondary macronutrients are also essential, even though they are consumed in smaller quantities than N, P, K, that is, primary macronutrients. The secondary macronutrients are Calcium (Ca) Magnesium (Mg) and Sulfur (S).

Detailed explanation-2: -Introduction. Magnesium (Mg) is one of three secondary macronutrients, along with calcium and sulfur, required for balanced crop nutrition. Often overlooked, Mg deficiencies can lead to reduced crop growth and yield.

Detailed explanation-3: -Calcium is an essential macronutrient in plants, with concentrations in the shoot ranging from 0.1 to over 5% of dry wt (Marschner, 1995; White and Broadley, 2003). It thereby exhibits a dual function, both as a structural component of cell walls and membranes and as intracellular second messenger.

Detailed explanation-4: -Sulfur is an essential macronutrient needed by plants to perform a variety of functions. All plants need sulfur to produce chlorophyll, making leaves green so plants can accumulate biomass through photosynthesis.

Detailed explanation-5: -Nitrogen. Phosphorus. Potassium. Magnesium. Sulfur. Calcium. 08-Jul-2021

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