AgAlerts 2001 From Griggs County
By John Swenson, Griggs County Extension Agent

Issue # 15, September 14, 2001

Winter Wheat Production Guidelines

    Seeding Dates:    September 1-15.  Planting after September 15 may reduce winter survival and grain yields and also delay maturity of the succeeding crop.
    Seeding Rates:    A seeding rate of 45 to 60 pounds of pure live seed per acre is recommended for winter wheat.  Winter wheat has more time to produce tillers and therefore seeding rates are lower than those suggested for spring wheats.
    Varieties:    Carrington R/E Center 2001 HRWW Yield Trials        

Estimating Grain Storage Facilities

    The following formulas can be used to estimate the number of bushels in various types of storage facilities.

SQUARE AND RECTANGULAR BINS
    Measure the length (L), width (W) and average height (H) in feet of the grain. You may wish to level a section of the pile to obtain a more accurate measurement.

                                                            The formula is: L x W x H = Volume
                                                            Example: 25 x 12 x 8 = 2,400 cubic feet

ROUND BINS
    Measure the diameter (D) and height (H) of the bin.

                                                            The formula is D x D x H x 0.785 = Volume
                                                            Example: 24 x 24 x 18 x 0.785 = 8,138.88 cubic feet

TRIANGULAR PILE
    Measure the length (L), width (W) and height (H) of the pile.

                                                            The formula is L x W x H x 0.5 = Volume
                                                            Example: 25 x 25 x 7 x 0.5 = 2,187.50 cubic feet

CONICAL PILE
    Measure the total height (H) and diameter (D) of the pile.

                                                            The formula is D x D x H x 0.262 = Volume
                                                            Example: 20 x 20 x 8 x 0.262 = 838.40 cubic feet

CALCULATING BUSHELS
    One cubic foot holds approximately 0.7786 bu. of grain --any grain. Simply multiply the volume of grain in cubic feet by 0.7786.
            For: rectangular bin in the example above, 2,400 cubic feet x 0.7786 = 1,869 bu.
                    round bin, 8,139 cubic feet x 0.7886 = 6,337 bu.
                    triangular pile, 2,187 cubic feet x 0.7886 = 1,702 bu
                    conical pile, 838 cubic feet x 0.7886 = 652 bu.

    These formulas will not be accurate to a single bushel. But they will give you a good estimate of the number of bushels stored in a shed, bin or pile without having to count each truckload.

Desiccation of Soybean

    Soybean fields that have weed problems can cause harvest problems.  One way to help harvest is to desiccate these fields prior to harvest.  The herbicides labeled for desiccation or preharvest weed control in North Dakota are Gramoxone (paraquat), Drexel Defol (sodium chlorate), and Glyphosate.  Prehavest spray interval is seven days for glyphosate and sodium chlorate and 15 days for Gramoxone.  Soybean fields that are going to be used for seed should not be treated with glyphosate because the herbicide could affect seedling vigor.  The glyphosate products require that the soybean crop be fully mature (all pods free of any green color).  The label for Gramoxone Extra requires at least 65 percent of the seed pods must display a mature brown color or the seed moisture is 30 percent or less before application can occur.  For more information, consult teh NDSU Extension Service's "2001 North Dakota Weed Control Guide".

 

 

Please Contact Our Office For Additional Information
E-mail: griggs@ndsuext.nodak.edu
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