Ammonia Volatilization and Phosphate Release from Compacted Mixed Fertilizers in Pure System and in an Acid Soil

Urea and phosphate rock (PR) have been widely used in Malaysian agriculture. However, ammonia (NH3) volatilization and slow release of P are two major problems encountered when urea and PR fertilizers were used. High pH, AI and Fe oxides content and low cation exchange capacity (CEC) have been i...

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主要作者:	Kasim, Susilawati
格式:	Thesis
语言:	英语 英语
出版:	2003
主题:	Ammonia as fertilizer - Physiological effect - Case studies
在线阅读:	http://psasir.upm.edu.my/id/eprint/10672/1/FP_2003_25.pdf