International Journal on Advanced Science, Engineering and Information Technology, Vol. 9 (2019) No. 2, List of accepted papers, DOI:10.18517/ijaseit.9.2.2989

Soil NPK Variability Mapping for Harumanis Mango Grown in Greenhouse at Perlis, Malaysia.

Fathin Ayuni Azizan, Nurmardhiyah Roslan, Rashidah Ruslan, Aimi Athirah Aznan, Ahmad Zulfadzli Mohamed Yusoff

Abstract

Variability of nutrients in soil is important to be mapped to establish a platform for application of precision farming. The macronutrients present in soil such as Nitrogen (N), Phosphorus (P) and Potassium (K) are important for plant growth.  In this study, the availability content of NPK mapping was established for high density planting systems of Harumanis mango plants grown under greenhouse. Thirty-two soil samples were collected from a greenhouse for analysis of NPK existence in top soil. The availability amount of NPK and the respective georeference location were used to produce maps using ArcGIS software. Results of NPK mapping indicated that NPK ranged between 0.06 - 0.12% (very low), 4 - 648 ppm (low-very high) and 0.02 -1.37 cmol/kg (low-high), respectively. The maps produced give a new perspective in a farming management concept in term of variable rate fertilizer application for Harumanis mango plants grown under greenhouse.

Keywords:

Soil Nutrient; ArcGIS Mapping; Precision Farming; Variable Rate Fertilizer; Harumanis Mango.

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