Traditional Rainfed Barley Production in the Andean Highlands of Ecuador: Soil Nutrient Limitations and Other Constraints

1991 ◽  
Vol 11 (2) ◽  
pp. 115 ◽  
Author(s):  
Deborah A. Bossio ◽  
Kenneth G. Cassman
2005 ◽  
Vol 181 (4) ◽  
pp. 567-580 ◽  
Author(s):  
Inácio de Barros ◽  
Jimmy R. Williams ◽  
Thomas Gaiser

2004 ◽  
Vol 178 (3-4) ◽  
pp. 441-456 ◽  
Author(s):  
Inácio de Barros ◽  
Jimmy R. Williams ◽  
Thomas Gaiser

2020 ◽  
Vol 7 (1) ◽  
pp. 21
Author(s):  
Faradina Marzukhi ◽  
Nur Nadhirah Rusyda Rosnan ◽  
Md Azlin Md Said

The aim of this study is to analyse the relationship between vegetation indices of Normalized Difference Vegetation Index (NDVI) and soil nutrient of oil palm plantation at Felcra Nasaruddin Bota in Perak for future sustainable environment. The satellite image was used and processed in the research. By Using NDVI, the vegetation index was obtained which varies from -1 to +1. Then, the soil sample and soil moisture analysis were carried in order to identify the nutrient values of Nitrogen (N), Phosphorus (P) and Potassium (K). A total of seven soil samples were acquired within the oil palm plantation area. A regression model was then made between physical condition of the oil palms and soil nutrients for determining the strength of the relationship. It is hoped that the risk map of oil palm healthiness can be produced for various applications which are related to agricultural plantation.


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