NP-3 | Nitrogen Plastic Welder. The Nitrogen Plastic Welder uses hot nitrogen gas to restructure common plastic components in automotive repair â from cracked bumper cover surfaces to hinged tabs. Nitrogen is used as a shielding gas to prevent the plastic from burning during the weld process â producing a strong, lasting weld.
Plant the Shasta daisies in commercial potting soil or a soil mixture made up of 2 parts loam, 2 part peat, 1 part compost and 1 part perlite. Stir in a half-measure of 14-14-14 ratio fertilizer to provide a nutritional boost.
Pot spacing calculations are used to determine the number of pots that can be grown in a given area. Example 2. In a 35Ã75-ft. greenhouse with 1,838 sq.ft. in benches, a poinsettia crop will be grown with pots spaced on 14-inch centers using a square spacing pattern.