soybean row spacing

June 13, 2019. Information is provided 'as is' and solely for informational purposes, not for trading purposes or advice. Terms & Conditions are subject to change at any time and without notice. 7, p. 620. Soybean was planted in 7.5- and 30-inch rows. Fight Weeds All Season Long Using These Tips for a Successful Burndown, Farm Record Keeping Made Simple with the FBN® App, How Does Your Farm Stack Up? And since light is what drives dry matter production, some farmers have seen an increase of 3-4 bushels per acre in their narrower row setups. All https://www.barchart.com/solutions/ is provided by Barchart Solutions. Ask three farmers what the best row spacing is for soybeans and you might get three different answers, but in most soybean growing areas there's been a trend back toward wider rows. The increasing width of planters means that splitting rows with additional units makes planters very heavy. University of Illinois crop sciences professor Emerson Nafziger says this may dictate how you get planting done in the most cost-effective way. Just over 50 percent of Illinois soybean fields remain in 15-in. Crop and Pasture Science, Vol. Equipment plays a large role in that choice. Most corn planters are set to plant 30-inch rows, and 15-inch soybeans are generally planted by using split-row units placed between the 30-inch rows. The increasing width of planters means that splitting rows with additional units makes planters very heavy. The row spacing study in oats was conducted at Indian Head by AAFC from 2009-11. Soybeans grown in narrow rows (≤ 15 inches) tend to out-yield soybean produced in wide row width (30 inches) due to increased sunlight interception in narrow rows. It depends on where you are," he says. If I can get efficient planting done and keep soybeans in 15-inch rows and corn in 30-inch rows, that’s what I would like to do," says Nafziger. Most producers recognize that going from 30-inch rows to something narrower is probably going to give you a yield boost, which he says in most cases is about two bushels per-acre. Soybean growers in the northern latitudes of the United States plant the crop in a wide range of row spacings although there has been a shift toward wider rows (>50 cm) in some Upper Midwest states in the last 5 years. Row spacing and plant density had no statistically significant effect on seed protein concentration and only a small and inconsistent effect on seed size. If your equipment isn’t set up for narrow rows, then you may not be ready to take on new or unexpected operating costs. Predominate row spacing for soybean grown in the US is often between 7.5 and 30 inches, with some grown in typical cotton row spacings of 38 or 40 inch rows in the cotton production regions of the US. Tag Archives: Seeding Rates & Row Spacing. Early planted soybeans yielded 25% more in 12-inch … In Ohio, most soybeans are planted in row widths ≤ 15 inches. Eight soybean seeding rates (starting at 197600 and increasing by 49400 live seed ha-1 increments) and row spacing (30 and 61 cm) were evaluated in 15 North Dakota environments in 2017-2018 to determine plant densities, seed yield, and plant loss, which 2 Purdue Extension recommends row spacing between 7.5 and 15 inches for maximum soybean yield. hbspt.cta._relativeUrls=true;hbspt.cta.load(1667865, '9f976a2c-e142-4d94-a28d-36fd73f219e2', {}); Copyright © 2014-2020 Farmer's Business Network, Inc. All rights reserved. Row spacing is more important than seeding rate for increasing Rhodes grass (Chloris gayana) control and grain yield in soybean (Glycine max). The land that I have a chance at running … Soybean row spacing: wide or narrow? Row spacing can play a significant role in your in-season weed control program. Observations were made throughout the growing season to determine the effects of row spacing and relative emergence on growth and development of both the crop and the weed. "It thrives when the canopy is sort of closed in and there’s not much air movement down toward the soil surface. A wide range of row spacings have been used successfully in soybean production. Row Spacing in Soybeans. The sprout logo, "FBN" and "Farmers Business Network" are registered service marks of Farmer's Business Network, Inc. “F2F Genetics Network” is a trademark of Farmer’s Business Network, Inc. All other trademarks are the property of their respective owners. Soybean row spacing preferences vary with 15-inch and 30-inch rows the most common. 05/18/20. If you plant corn in 30-inch rows you will plant soybeans in 30-inch rows. Find Out with FBN® Benchmarking, Use Satellite Imagery to Scout Fields with Your FBN® Membership, Choose Seeds for Your Farm Using FBN® Seed Finder. Opting not to split large planters means that both corn and soybeans are typically planted in 30-inch rows. See More Successful Farming Radio Episodes. Another reason given for moving from narrow soybean rows to 30-inch rows is that white mold tends to be more severe when the ground and the lower crop canopy stay wet. iii ABSTRACT North Dakota soybean [Glycine max (L.) Merrill] management varies across the state, resulting in yield differences. 7.5” vs 15”, 10” vs 20”, 15” vs 30” Farmer Requirements • Establish the trial with your own equipment, using a provided plot plan • Provide seeding equipment specifications to MPSG We typically see a yield advantage, however, for soybeans in rows 20 inches or less. Oats were compared on 10, 12, 14 and 16 inches and at N rates of 18, 36, 53, 71 and 197 lbs./ac. PRO-TIP: If white mold is a concern, lowering plant populations can allow more airflow through the canopy and make your soybean crop less conducive to development of the disease. But narrow rows may not be right for everyone. Narrower row spacing allows for quicker canopy closure and greater light interception, helps block light from reaching weeds, and helps minimize moisture loss. Oats. A thicker canopy can also make certain diseases, such as white mold, more difficult to control. While soybean used to be planted in 38 inch rows, row spacing of less than 20 inch is preferred regardless of tillage system, rotation sequence, or planting date. Equipment plays a large role in that choice. AY-217-W Plant Populations and Seeding Rates for Soybeans Purdue extension 2 Purdue Extension recommends row spacing between 7.5 and 15 inches for maximum soybean yield. Soybean Row Spacing Trial Treatments • Compare two row spacings according to seeding/planting equipment capabilities Ex. Soybeans were drilled with a John Deere 750 no-till drill for the 7.5- inch row-spacing treatment and planted with a John Deere 7000 Max Emerge planter with splitter attachment for the 15-inch row-spacing treatment. Soybean was planted in 10‐ and 30‐in. Results demonstrated clear differences between row-spacing types for each of three pest species (soybean looper, Pseudoplusia includens (Walker); velvetbean caterpillar, Anticarsia gemmatalis Hübner; and green cloverworm, Plathypena scabra (F.) when all size classes are combined. 24 March 2014. April 26, 2012 . Crop and Pasture Science, Vol. Those wider row spacings leave a lot of open area between the plants that the canopy eventually has to cover to block weeds from the sunlight they need to grow. Another big plus of this agronomic practice is that narrower rows can more efficiently intercept light. Today row spacing for soybeans seems to be driven by the row spacing for corn. My short answer was: it depends. What Can You Expect to Pay for Corn and Soybean Seed Traits? A pending NDSU Extension circular that contains details regarding the summary of the NDSU soybean planting rate and row spacing trials, including results from eastern and western regions of North Dakota, will be available later during May. [11] argue that the best yields reached 0.45 m row spacing, in the two crop seasons. Starting clean is key in the fight for weed-free fields, but herbicide sprays, row spacing and, in some areas, conventional tillage are all methods you can use to limit weed competition all year long. I don’t know if we have a very good estimate of how much more white mold disease there is in 15-inch rows. Farmers today utilize a variety of row spacings when planting soybeans, ranging from 7.5 to 38 inches. North Dakota State University has a long tradition of recommending the establishment of a soybean population of 150,000 plants per acre across row spacings. 68, Issue. Testing the spacing between soybean rows of 0.19, 0.45 and 0.90 m at two densities in the 2012 and 2013 (Arkansas—USA) crops, Bell et al. Recent research studies on soybeans have shown an average yield advantage of approximately 4 bu/acre with drilled narrow-row and 15-inch row soybeans over soybeans in 30-inch rows. Record-breaking wet weather set back soybean planting greatly in … row spacings in early and late May from 1982 through 1985. Row spacing. In fact, canopy closure typically happens 15 days sooner in 15-inch rows than it does in 30-inch rows—that’s two fewer weeks that weeds have to develop in your fields! © 2020 Meredith Corporation. 12-inch row spacing exceeded the 24- and 26-inch spacing by 18.7% and 31 .8%, respectively. The study consisted of a series of nine trials conducted during 2008 to 2011 at the NDSU Carrington Research Extension Center and research sites in Prosper and Fargo. Chat with one of our team members to see which seeds might be a good fit for your farm and fields. But herbicides aren’t your only option for keeping your soybean fields clean. 68, Issue. In the last 10 years, studies show a 3 to 4 bu/acre yield advantage for soybeans planted in drilled narrow rows and 15-inch rows over 30-inch rows ( Figure 2 ). Those wider row spacings leave a lot of open area between the plants that the canopy eventually has to cover to block weeds from the sunlight they need to grow. But that doesn’t automatically mean you should stick to 15-inch rows no matter what. about 52% and 32.3% of Illinois soybean are planted in the row spacing ranges of 25.7 to 47 [narrow rows] and 72.6 to 87.6 cm [wide rows] respectively (USDA-Economic Research Service, 2012). What is the best row spacing for soybeans: 7.5, 10, 15, 20 or 30 inches? 7, p. 620. Introduction Velvetleaf was hand planted at soybean planting (VP), emergence (VE), and 1st trifoliate (V1) stage. Soybean relative seed yield with planting rates averaged across row spacings in eastern North Dakota. The yield advantage for 10‐in. The advantages of planting soybean in 15- or 30-inch Consider 15-inch Row Spacing in Soybean. All sales are subject to entrance into a Master Distribution Agreement, where applicable, and the terms and conditions set forth therein. that spacing between rows of soybean ≤ 0.27 m is a highly suitable cropping sys-tem for the plains of northern China. There are many tools available to keep soybeans clean throughout the growing season. Average row spacing in Illinois soybean fields has increased over the past decade after narrowing for several decades before that, according to University of Illinois crop sciences professor Emerson Nafziger. This recommendation continues to exist across the state to optimize soybean seed yield. By investigating row spacing at twelve site years in both of the previously mentioned The combination of optimum genetics and good agronomic practices along with favorable environmental conditions are required to help increase yield potential. This increase resulted from drilled soybeans – those with rows less than 10 in. Row spacing is unlikely to have nearly as much impact on maturity as other factors such as variety selection and weather conditions. Soybean Row Spacing and Seeding Rate RFR-A1629 Mark Licht, assistant professor and extension cropping systems specialist Department of Agronomy Chad Huffman, interim farm superintendent Introduction Recommendations for soybean seeding rates have been targeted between 125,000 and rows. "If I’ve got 1200 acres, 600 of corn and 600 of soybean and I only want to own one planter, I would probably have maybe a 16-row that has split units on it. In most cases, there is no difference between 7.5, 10, 15, or 20 inch row spacing and anything less than 30 inch is therefore consider narrow row spacing. To see all exchange delays and terms of use, please see https://www.barchart.com/solutions/terms. rows ranged from 8 to 14% when averaged over all tillage systems and both planting dates. F2F Genetics Network branded seed products and other seed products are offered by FBN Inputs, LLC and are available only in states where FBN Inputs, LLC is licensed. Most corn planters are set to plant 30-in. rows, and 15-in. Often, row spacing decisions are made based on what equipment is already available. soybeans are generally planted by using split-row units placed between the 30-in. Those wider row spacings leave a lot of open area between the plants that the canopy eventually has to cover to block weeds from the sunlight they need to grow. We recommend seeding rates, for seed not treated with insecticide or fungicide, of about 170,000 seeds per acre for 7.5 inch row spacing (~7.5 seeds per 3 ft.), 160,000 seeds/acre for 15-inch row spacing (about 14 seeds per 3 feet), and 150,000 plants per acre for 30-inch row spacing (~26 seeds per 3 ft.).

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