Soil Chemical Properties and Agronomic Response of Sugarcane (Saccharum officinarum L.) Due to Long Term No-Tillage Practice and Application of Bagasse Mulch.

Irene Zaqyah, Ainin Niswati, Rusdi Evizal, Muhajir Utomo


Intensive tillage continuously will reduce soil quality which is characterized by a decrease in soil  C-organic.  Low soil C-organic indicates the disturbance of soil fertility.  More conserfative soil management experiments have been done for seven years to restore the soil quality for sugarcane productivity.  This study purposed to study the effect of tillage system, bagasse mulch and their interactions on soil chemical properties and sugarcane agronomic response and study the relations between soil chemical with sugarcane agronomic response in tillage system and bagasse mulch experiments.  The study was conducted by Split Plot of five groups.  The main plot was the tillage system consist of intensive tillage and no-tillage, while the subplot was the bagasse mulch consist of bagasse mulch and no bagasse mulch.  The result of the study was showed no-tillage system resulted higher P-available and Na-dd, longer cane and early ripe cane than intensive tillage; bagasse mulch produced higher C-organic and P-available, whereas Na-dd was lower than no bagasse mulch; No-tillage system combined with bagasse mulch was produced lowest gap percentage, highest P-available and higest Na-dd.

Key words : Mulch, Sugarcane, Tillage.

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