Spatial variability of total nitrogen, and available phosphorus of large rice field in Sawah Sempadan Malaysia

• المؤلفون الرئيسيون: Mohamed Ganawa, Eltaib Saeed, Mohd Soom, Mohd Amin, Musa, Mohd Hanafi, Mohamed Shariff, Abdul Rashid
• التنسيق: مقال
• اللغة: English
• منشور في: Science Society of Thailand under Royal Patronage 2003
• الوصول للمادة أونلاين: http://psasir.upm.edu.my/id/eprint/114126/1/114126.pdf; http://psasir.upm.edu.my/id/eprint/114126/; https://www.scienceasia.org/2003.29.n1/007.php

Accurate information on the spatial variability of soil chemical properties is very important in developing site-specific management for large rice field. Therefore, sampling procedure for soil nutrients status validated for developing variable rate of application of nutrients for rice is essential....