Pengaruh Penggunaan Beberapa Jenis Abu Terhadap Pertumbuhan Bibit Kelapa Sawi…

The research aims to determine effect of the use several types of ash on the growth oil palm seedlings on peat media. And determine the best type of ash for oil palm seedlings on peat media. The research has been implemented on land technical service unit (UPT) and soil analysis at Laboratory of soil science, Faculty of Agriculture, University of Riau, bina widya college km 12,5. simpang baru, …