In this research, we stress water scarcity as a problem that arises when water is not found in proper quantity and quality at the appropriate place and time.
Knowledge about soil moisture is essential to maximize irrigation efficiency because it allows the application of water in the proper quantity and at the proper time, thus improving water management.
In the United States, Article VI of the Articles of Confederation, drafted in 1776 and ratified in 1781, required that "every state shall always keep up a well regulated and disciplined militia, sufficiently armed and accoutred, and shall provide and constantly have ready for use, in public stores, a due number of field pieces and tents, and a proper quantity of arms, ammunition and camp equipage".
"Everyone will get the proper quantity of food, at the proper price," he says.
Proper quantity of sodium in human body prevents many fatal diseases like kidney damages, hypertension, headache etc.
Then, a syringe pumping controller is used to pump a proper quantity of working fluid into the chamber.
The substation area protection and control device has a proper quantity of communication interfaces, which adapts to various networking modes on station and process level of smart substations.
However, a proper quantity and quality of bone is a prerequisite not always present [ 1].
In addition, proper quantity and quality of pollen not only reduce sensitivity to pesticides [ 13], but also help the bees to fight against pathogens, like microsporidia [ 14], bacteria [ 15] and virus [ 16], as pollen nutrition actually enhances honey bee immune function [ 17].
