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. The yield advantage for 10‐in. But narrow rows may not be right for everyone. 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? Soybean row spacing: wide or narrow? 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 ). Today row spacing for soybeans seems to be driven by the row spacing for corn. 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. 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. Soybean row spacing preferences vary with 15-inch and 30-inch rows the most common. 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. Ive got a chance to rent some ground near our home farm and plan on putting soybeans in. But herbicides aren’t your only option for keeping your soybean fields clean. 68, Issue. 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. This increase resulted from drilled soybeans – those with rows less than 10 in. See More Successful Farming Radio Episodes. Information is provided 'as is' and solely for informational purposes, not for trading purposes or advice. Soybean row spacings (inches) in the 4 largest soybean-producing states in 2012 as a percent of total acres (USDA-NASS. 24 March 2014. Opting not to split large planters means that both corn and soybeans are typically planted in 30-inch rows. Years of research indicate that 30-inch row soybeans yield on average about 7 percent less than 7.5- or 15-inch row soy-beans (Hanna et al., 2007; Oplinger and Philbrook, 1992). that spacing between rows of soybean ≤ 0.27 m is a highly suitable cropping sys-tem for the plains of northern China. 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. 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. Tag Archives: Seeding Rates & Row Spacing. 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. April 26, 2012 . Reduced tillage systems had less effect on soybean production than planting date or row spacing. The increasing width of planters – many are now 60 ft. wide – means that splitting rows with additional units makes planters very heavy. All https://www.barchart.com/solutions/ is provided by Barchart Solutions. Find Out with FBN® Benchmarking, Use Satellite Imagery to Scout Fields with Your FBN® Membership, Choose Seeds for Your Farm Using FBN® Seed Finder. 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 I have been tracking row spacing and yield on soybeans for 15 years now and my conclusion is that soybeans can yield similarly regardless of row spacing and narrow rows don’t always outyield wider rows. Farmers today utilize a variety of row spacings when planting soybeans, ranging from 7.5 to 38 inches. rows, and 15-in. rows compared with 30‐in. Choosing the right soybean row spacing and population is critical when it comes to maximizing soybean yields on your farm. 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. ICM News. 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. Often, row spacing decisions are made based on what equipment is already available. The paper presents the effect of planting density and row spacing on the growth, development and yield of soybean, cv. Equipment plays a large role in that choice. Since we are a smaller operation we have our crops custom planted, beans are 15 rows and corn is 30 rows. That is a question I got one morning in April. Row spacing can play a significant role in your in-season weed control program. 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! The objective of this study was to evaluate the impact of row spacing and seeding rate on the performance of soybean and to determine whether these management practices … University of Illinois crop sciences professor Emerson Nafziger says this may dictate how you get planting done in the most cost-effective way. To see all exchange delays and terms of use, please see https://www.barchart.com/solutions/terms. Most corn planters are set to plant 30-in. 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. "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. 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. 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. Research across the Midwest over several years has consistently shown that soybean planted in narrow rows (<30 inches) has a yield advantage compared to wide rows (≥ 30 inches). 68, Issue. 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. 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 Row spacing and plant density had no statistically significant effect on seed protein concentration and only a small and inconsistent effect on seed size. Farmers today utilize a variety of row spacings when planting soybeans , ranging from 7.5 to 38 inches. Opting not to split large planters means that both corn and soybeans are typically planted in 30-inch rows. The faster you can shade out the weeds, the less dependent you are on herbicides. Another big plus of this agronomic practice is that narrower rows can more efficiently intercept light. "It thrives when the canopy is sort of closed in and there’s not much air movement down toward the soil surface. 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. 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. 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. © 2020 Meredith Corporation. 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. Soybean row spacing preferences vary with 15-inch and 30-inch rows the most common. A disease called “white mold” can be a problem. 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. 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. Opting not to split large planters means that both corn and soybeans are typically planted in 30-inch rows. The row spacing study in oats was conducted at Indian Head by AAFC from 2009-11. Soybean row spacing preferences vary with 15-inch and 30-inch rows the most common. Soybean Row Spacing Trial Treatments • Compare two row spacings according to seeding/planting equipment capabilities Ex. Equipment plays a large role in that choice. Oats were compared on 10, 12, 14 and 16 inches and at N rates of 18, 36, 53, 71 and 197 lbs./ac. When we talk about the fight against weeds in your soybean fields, herbicides and seeds with herbicide tolerance are often the first things that come to mind. rows ranged from 8 to 14% when averaged over all tillage systems and both planting dates. At F2F Genetics Network™, we’re committed to giving you access to high-performing hybrids and varieties at a fair price, helping you focus on return on investment for your operation. 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. The increasing width of planters means that splitting rows with additional units makes planters very heavy. Row spacing is a management decision that often comes up as a priority for achieving high-yielding soybean. soybeans are generally planted by using split-row units placed between the 30-in. Soybean relative seed yield with planting rates averaged across row spacings in eastern North Dakota. a variety of row spacings when planting soybeans, https://crops.extension.iastate.edu/soybean/production_spacing.html, https://crops.extension.iastate.edu/cropnews/2018/02/consider-15-inch-row-spacing-soybean, https://webapp.agron.ksu.edu/agr_social/eu_article.throck?article_id=1806, Three Agronomic Trends to Know About Heading into Planting Season. My short answer was: it depends. row spacings in early and late May from 1982 through 1985. 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.). In Ohio, most soybeans are planted in row widths ≤ 15 inches. Row spacing can play a significant role in your in-season weed control program. apart – losing ground to 30-in. It depends on where you are," he says. Futures: at least 10 minute delayed. If you plant corn in 30-inch rows you will plant soybeans in 30-inch rows. The combination of optimum genetics and good agronomic practices along with favorable environmental conditions are required to help increase yield potential. 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. Percent residue cover after planting ranged from 7 to 15% for moldboard plowing to … 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. Row Spacing. Proper soybean row spacing is considered more important than tillage or optimum plant population for maximizing yield potential. What Can You Expect to Pay for Corn and Soybean Seed Traits? 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. Velvetleaf was hand planted at soybean planting (VP), emergence (VE), and 1st trifoliate (V1) stage. 7, p. 620. [11] argue that the best yields reached 0.45 m row spacing, in the two crop seasons. What is the best row spacing for soybeans: 7.5, 10, 15, 20 or 30 inches? 05/18/20. 12-inch row spacing exceeded the 24- and 26-inch spacing by 18.7% and 31 .8%, respectively. Hey guys. rows. But that doesn’t automatically mean you should stick to 15-inch rows no matter what. 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. Crop and Pasture Science, Vol. Oats. See sales order form for additional terms and conditions. Soybean Row Spacing—An Overlooked Practice in the Weed Control Toolbox. Row spacing. If your equipment isn’t set up for narrow rows, then you may not be ready to take on new or unexpected operating costs. 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. iii ABSTRACT North Dakota soybean [Glycine max (L.) Merrill] management varies across the state, resulting in yield differences. By investigating row spacing at twelve site years in both of the previously mentioned Narrow row soybean is considerably more competitive against many weed species due to earlier canopy closure than in wide row soybean. 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. Over the years, the development of soybeans with tolerance to glyphosate, glufosinate, dicamba and 2,4-D have made a huge impact on the way we farm, adding more options to the weed control toolbox from which farmers can work. The advantages of planting soybean in 15- or 30-inch I don’t know if we have a very good estimate of how much more white mold disease there is in 15-inch rows. Several management practices may add a little extra yield to late-planted soybean, says University of Missouri Extension soybean specialist Bill Wiebold. If you plant corn in 20-inch rows soybeans will be planted in 20-inch rows. Soybean was planted in 10‐ and 30‐in. A wide range of row spacings have been used successfully in soybean production. The increasing width of planters — many are now 60 feet wide — means that splitting rows with additional units makes planters very heavy. For related content and insights from industry experts, sign up for Successful Farming newsletters. Farmers today utilize a variety of row spacings when planting soybeans , ranging from 7.5 to 38 inches. Consider 15-inch Row Spacing in Soybean. Harvest plot size was 28 feet wide x 1,075 feet long. Row Spacing in Soybeans. In a series of on-farm tests in North Carolina, soybeans in 10- and 20-inch rows yielded 3 bu/A higher when planted early, and 4 bu/A higher when … Introduction There are many tools available to keep soybeans clean throughout the growing season. Soybean row spacing preferences vary greatly across the Midwestern U.S. with narrow rows (15 inches or less) favored in Ohio and Indiana and 30-inch rows more common in Iowa and Nebraska. We typically see a yield advantage, however, for soybeans in rows 20 inches or less. rows. 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. Although there have been concerns surrounding this practice in the past, an understanding of row spacing and soybean growth patterns can play a significant role in integrated weed management. Most of these studies have concluded that planting soybean in narrow rows will increase … 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 Planting Rate and Row Spacing. Research was conducted from 1984 through 1986 at Stoneville, MS, on Sharkey clay (very‐fine, montmorillonitic, nonacid, thermic Vertic Haplaquept) to determine the effect of irrigation and row spacing on seed yield and yield components of early or mid‐May versus late‐June plantings of soybean. All sales are subject to entrance into a Master Distribution Agreement, where applicable, and the terms and conditions set forth therein. Crop and Pasture Science, Vol. Just over 50 percent of Illinois soybean fields remain in 15-in. Soybean was planted in 7.5- and 30-inch rows. Early planted soybeans yielded 25% more in 12-inch … This recommendation continues to exist across the state to optimize soybean seed yield. 7, p. 620. The increasing width of planters means that splitting rows with additional units makes planters very heavy. Equipment plays a large role in that choice. This is especially important when timing or weather becomes an issue. Terms & Conditions are subject to change at any time and without notice. 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. Record-breaking wet weather set back soybean planting greatly in … Narrower row spacing (30 cm and 60 cm) resulted in higher grain yields than the wider row spacing (90 cm) in two out of the three seasons. Soybean cultivars did not respond the same when planted in different row spacings at different planting dates. Make the most of late-planted beans with narrow rows, fungicides. 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). Chat with one of our team members to see which seeds might be a good fit for your farm and fields. 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 Soybean Row Spacing and Seeding Rate A study was conducted by NDSU with selected intensive management practices and inputs to examine potential increases in yield and profit. We typically see a yield advantage, however, for soybeans in rows 20 inches or less. The effect of soybean row spacing on yield has been extensively researched. All Rights Reserved. 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. Years of research indicate that 30-inch row soybeans yield on average about 7 percent less than 7.5- or 15-inch row soy-beans (Hanna et al., 2007; Oplinger and Philbrook, 1992). "Farther north in the corn belt it’s a little bit more common.". Row spacing is unlikely to have nearly as much impact on maturity as other factors such as variety selection and weather conditions. A thicker canopy can also make certain diseases, such as white mold, more difficult to control. The increasing width of planters means that splitting rows with additional units makes planters very heavy. Narrower row spacing allows for quicker canopy closure and greater light interception, helps block light from reaching weeds, and helps minimize moisture loss. June 13, 2019. 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.
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