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In the Great Plains, wheat growers can choose to apply all N before planting or split N fertilizer between preplant starter and the midseason topdress. Several N fertilizer sources--dry and liquid--are available to producers.

Evaluation of Sensor-Based Nitrogen Rates and Sources in Wheat

In our experience most farmers use rainfall forecasts in planning to topdress urea and minimise losses.

Nitrogen balance in Australia and nitrogen use efficiency on Australian farms

? Clean around globe artichokes, lightly fork the ground and topdress with compost prior to soaking.

To do this week ..

If you topdress (spread over the top) the recommended amount of nitrogen-based fertilizer (ammonium nitrate, sulfate and/or urea), you will significantly increase forage production.

Maintain control: just because your food plots are popping up according to plan doesn't mean you can sit back and relax. The key to getting the most out of your plots is to maintain control of them throughout the year!

In autumn, spike the lawn to aerate it, rake out old dead grass and topdress with compost then feed with low nitrogen lawn feed to toughen grass up for the winter.

EXPERT ADVICE

Due to inadequate time after the laying of these squares to flatten the surface out, construction staff apparently decided to heavily topdress the ground with sand in order to flatten to playing surface.

A hypothesis: could portable natural grass be a risk factor for knee injuries?

Just topdress them with the same compost every autumn or spring and fork it over lightly.'

Gardening : Raise your expectations; It's a growth area. Raised beds help combat poor soil problems

In addition, fall application of N can often avoid inclement weather that can limit opportunities to topdress N during late winter and early spring.

Winter wheat response to fall/ spring application of stabilized anhydrous ammonia fertilizer in Missouri (1)

Pot up with compost and topdress with a layer of cactus dressing or very small gravel.

Feeling thorny?; Gardening advice with Janice Casault of Wenvoe-based StyleGardens. www.StyleGardens. co. uk

Some rock had been pulverized and used by local farmers to topdress their fields.

Building the Erie Canal

"We recommended they put on 3/4 gal LIQUIDOW 38 percent calcium chloride per sq yd on the ground asphalt and base course, and then had them topdress another 1/4 gal on the surface after the road was shaped and rolled.

Full depth reclamation puts county roads back in shape

Grain yields increased from 134 to 456 kg [ha.sup.-1] for irrigated plots that received N fertilizer preplant compared to irrigated plots that received topdress N fertilizer in February or March.

Effect of preplant irrigation, nitrogen fertilizer application timing, and phosphorus and potassium fertilization on winter wheat grain yield and water use efficiency