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Zonejection: Conservation Tillage Manure Nutrient Delivery System

^a Agric. & Agri-Food Canada, Southern Crop Protection & Food Res. Cent., 1391 Sandford St., London, ON, Canada N5V 4T3
^b Agric. & Agri-Food Canada, Southern Crop Protection & Food Res. Cent., Delhi, ON, Canada, N4B 2W9

View larger version (22K): [in this window] [in a new window]   Fig. 1. Daily average soil water content (when not frozen) at A) Sites A (2001–2002) and B (2003) of Exp. 1, and B) Sites C (2004), D (2005), and E (2006–2007) of Exp. 2, integrated over 0 to 30 cm except where indicated, average of two (Site A, B, C) or four (Sites D, E) reflectometers. Average of eight reflectometers at 70 to 100 cm deep, Site E.

View larger version (62K): [in this window] [in a new window]   Fig. 2. Monthly precipitation, average air temperature, and snow depth at (A) Site A, and (B) Site B of Exp. 1 with liquid swine manure zonejected in fall or spring. Snow depth and rain during fall 2001 were obtained from the nearest Environment Canada weather stations.

View larger version (26K): [in this window] [in a new window]   Fig. 3. Monthly (A) precipitation, and (B) average air temperature at Sites C, D, and E of Exp. 2 with liquid swine manure application preplant and sidedress.