Improve Quality and Quantity of Plant Products by Applying Potassium Nutrient (A Critical Review).


Rabar Fatah Salih, Khalina Abdan, Aimrun Wayayok, Norhashila Hashim and Khunaw Abdulla Rahman

Faculty of Engineering, Department of Biological and Agricultural Engineering, Universiti Putra Malaysia, 43400, Serdang, Selangor, Malaysia
Faculty of Agriculture, Department of Land Management, Universiti Putra Malaysia, 43400, Serdang, Selangor, Malaysia
College of Agriculture, Department of Field Crops, Salahaddin University, Erbil, Kurdistan- Iraq
College of Agriculture, Department of Soil and Water, Salahaddin University, Erbil, Kurdistan- Iraq


Abstract

Nitrogen, phosphorus and potassium are regarded as the main nutrients necessary for
plant growing. Each of these fertilizers has significant effects on plants growth. Their
functions are somehow in relationship to each other. The purpose of this article is to show
the importance of the potassium nutrient on the crops life. This kind of nutrient is
disregarded in Kurdistan. Generally, the farmers have not information about the impacts
of potassium. Hopefully, this study will encourage scientists to do more research on
effects of potassium on plants. On the other hand, this article is going to be a key for
using potassium fertilizer as an important mineral for the crops in the Kurdistan at the
best way. Two factors are more important for every farmer to know before using the
fertilizers (Fertilizers cost and environment pollution). As known, for getting fertilizers
farmers must be paid, and fertilizers can damage the environment if these are not used
correctly. Hence, for solving the above problems, a soil sample must be sent to a
laboratory for physical and chemical testing before application of fertilizers. Farmers
must know about appropriate nutrients and amount to add to the soil. Application of little
amount of nutrients cannot grow crops and too many nutrients can run off the fields and
pollute streams and ground water. Fertilizers have important purpose and function.
Hence, farmers must be careful to practice the right dose, at the right time, to avoid
negative effects of the fertilizers on the environment.


Key Words:
Potassium nutrient
Plant production
Quality and quantity

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