NITROGEN STATUS AND CANOPY DENSITY DETECTION OF VEGETATION USING MULTISPECTRAL DATA By: Oluwole John PELEMO, Sadioluwa O. AFOLABI, Maureen O. OGOLIEGBUNE, Monisola B. AWOSUSI, Mayowa J. MEPHORS, David O. AYENI, Sadiat I. ADAMU Download

Cercetari Economice in Moldova

article

Oluwole John PELEMO¹  Sadioluwa O. AFOLABI¹  Maureen O. OGOLIEGBUNE¹  Monisola B. AWOSUSI²  Mayowa J. MEPHORS¹  David O. AYENI³  Sadiat I. ADAMU² 

[1] Forestry Research Institute of Nigeria - Remote Sensing and GIS Section;Forestry Research Institute of Nigeria - Climate Change Section;Forestry Research Institute of Nigeria - Meteorology Section

关键词: heat stress;    temperature;    drought;    land cover changes.;   

DOI  :  10.46909/journalalse-2021-015

学科分类：农业科学（综合）

来源: Universitatea de Stiinte Agricole si Medicina Veterinara "Ion Ionescu de la Brad"

【 摘 要 】

The use of ground-based multispectral data for the evaluation of plant water stress and nitrogen status in Old Oyo national Park, Nigeria was conducted and classification was performed. The active area of nitrogen concentration in hectares was between 0.0 and 0.4. This active area was expressed in hectares (ha) and percentages (%) respectively. From the assessment, 53.52 ha (69%) and 24.29 ha (31%) were recorded at 0.2-0.4 and 0.0-0.2, respectively. Heat stress takes place when the regular temperature is above 30ºC, which could slow down plant growth and lead to the threat of deficiency. The heat stress reached a maximum of 40ºC in this analysis between February and May. The research concluded that the sustainability of crops and trees requires a certain quantity of 69 percent nitrogen and a certain level of wetness for their growth which is between 400 mm and 800 mm rainfall.

【 授权许可】

Unknown