Fig. 9From: Controlled release of harmful pesticide dichlorvos through synthesized biodegradable aloe vera–acrylic acid-based hydrogel and its utilization in soil water managementa–d Release behavior of dichlorvos through Av-cl-poly(AA) at different time intervals a conc. versus time; b ln(Mt/M∞) versus lnt; c ln(1 − Mt/M∞) versus time and d Mt/M∞ versus t1/2Back to article page