<ul><li><a href=" https://lidea-seeds.com/crops/soybean">Soybean</a> can be cultivated in many soil types. However, limestone soils should be avoided where lime content is higher than 10%. Such soils can cause iron chlorosis, limit nodulation and dramatically reduce soybean growth.</li><li>If there is no irrigation, avoid soils with low water retention capacity (superﬁcial clay-limestone soils, sand, etc.), which result in low yields and more irregular protein content.</li></ul>For more information, download our soybean technical guide: <a target="_blank" rel="noopener noreferrer" href="https://api-com.lidea-seeds.com/uploads/2022/07/soybean_technical_guide.pdf">click here</a>.

Obtain good soybean root development

CHOOSE THE FIELD

<ul><li>Reduce compaction to obtain a good soil structure to sow <a target="_blank" rel="noopener noreferrer" href="https://lidea-seeds.com/crops/soybean">soybean</a>.</li><li>Obtain sufficiently refined soil and a well-levelled ground surface, so that cotyledons can emerge from the soil quickly and easily.</li></ul>To know deeper, download our soybean technical guide: <a target="_blank" rel="noopener noreferrer" href="https://api-com.lidea-seeds.com/uploads/2022/07/soybean_technical_guide.pdf">click here</a>.

PREPARE THE SOIL TO ENSURE GOOD AND QUICK EMERGENCE

<ul><li>Earliness: adapt the choice to the region and to the soybean sowing date.</li><li>Productivity / Yield.</li><li>Disease tolerance, especially to sclerotinia.</li><li>Lodging tolerance: good tolerance makes the harvest easier and limits sclerotinia development in critical situations where irrigation is used.</li><li>Protein content: high protein content is required, especially for use in human food.</li></ul>For more information, download our soybean technical guide: <a target="_blank" rel="noopener noreferrer" href="https://api-com.lidea-seeds.com/uploads/2022/07/soybean_technical_guide.pdf">click here</a>.To discover our soybean portfolio: <a target="_blank" rel="noopener noreferrer" href="https://lidea-seeds.com/crops/soybean">click here.</a>&nbsp;

CHOOSE SOYBEAN VARIETIES ACCORDING TO 5 CRITERIA

All plots must be inoculated even if soybean has already been grown on them. This will optimise yield and protein content. Inoculation must be carefully carried out because bacteria and seeds are fragile and can be damaged by heat and sun.3 ways to inoculate soybean with Rhizobium bacteria:<ol><li>Buy certified seeds which have been pre-inoculated in seed factories (e.g. Hi-Coat Super, Rhizoliq LLI, Opti mize 400, etc.).</li><li>Mix certified seeds with peat or liquid inoculants (e.g. Hi-Sti ck/Force 48).</li><li>Use microgranular inoculants.</li></ol>For more information, download our soybean technical guide: <a target="_blank" rel="noopener noreferrer" href="https://api-com.lidea-seeds.com/uploads/2022/07/soybean_technical_guide.pdf">click here</a>.

GOOD SOYBEAN INOCULATION

GOOD INOCULATION

<ul><li>Sow when soil temperature has warmed up (above 10°C). It is recommended to use a high precision sowing machine.</li><li>Adapt the sowing rate to the earliness group, seed germination, sowing conditions, and irrigation. Without irrigation, increase the density, because some plants will die and plants will have smaller development.</li><li>Distance between rows: • &nbsp;18 to 30 cm for group 000 • &nbsp;18 to 50 cm for group 00 • &nbsp;25 to 60 cm for groups 0, I and II</li><li>Protection against pests: not systematic but should be adapted to the risks.</li></ul>RECOMMENDED SOWING DENSITY<figure class="image"><img src="https://api-com.lidea-seeds.com/uploads/2022/07/recommended_sowing_density_2.jpg"></figure>To find out more, download our soybean technical guide: <a target="_blank" rel="noopener noreferrer" href="https://api-com.lidea-seeds.com/uploads/2022/07/soybean_technical_guide.pdf">click here</a>.

GOOD SOYBEAN SOWING

GOOD SOWING

<ul><li>Controlling weeds on plots is a key issue. Indeed, soybean is a plant that covers the soil slowly and certain weeds can aﬀect productivity and the quality of the harvest. There are several ways to control weeds:<ul><li>First, crop rotation can break the cycle of certain weeds by alternating spring crops and autumn crops.</li><li>Soil preparation techniques can also influence the presence of weeds. Ploughing and the stale seed bed method can reduce weed seed stocks.</li><li>Finally, there are chemical (post sowing, pre and postemergence) and mechanical solutions to eliminate weeds.</li></ul></li><li>As some varieties are sensitive and may show signs of phytotoxicity, the following recommendations should be followed:<ul><li>Metobromuron: to avoid lack of selectivity, never spray more than 4 days after sowing and adapt the dosage to the soil composition. Molecule recommended for Ambrosia.</li><li>Pendimethalin: a lack of selectivity can occur especially in sandy soils.</li><li>Pulsar 40®: in cases of heavy rain, high temperature or excessive plant development, yellow marks may appear but they disappear quickly.</li><li>Be careful: Pulsar® and CORUM® can cause molecules from previously used herbicide to be released from the sprayer and filter, leading to soybean phytotoxicity. Sprayers must be carefully cleaned with suitable products before using Pulsar®.</li></ul></li></ul>To find out more, download our soybean technical guide: <a target="_blank" rel="noopener noreferrer" href="https://api-com.lidea-seeds.com/uploads/2022/07/soybean_technical_guide.pdf">click here</a>.

SOYBEAN WEED CONTROL

WEED CONTROL

<ul><li>If leaves are becoming yellow and if more than 30% of plants are not showing nodules, apply nitrogen (this means that inoculation did not work).</li><li>Depending on the soil nitrogen supply, apply (in one or 2 applications) 80 to 150 units between stage R1 (beginning of flowering) and stage R3 (first pods), if possible prior to irrigation. Use of the perlure (urea) form is recommended.</li><li>Critical areas: obtain information specific to each region to establish whether it is permitted to apply nitrogen to legumes.</li></ul>To find out more, download our soybean technical guide: <a target="_blank" rel="noopener noreferrer" href="https://api-com.lidea-seeds.com/uploads/2022/07/soybean_technical_guide.pdf">click here</a>.

CHECK SOYBEAN NODULATION AND FERTILISATION

CHECK NODULATION AND FERTILISATION

<ul><li>Do not irrigate before the beginning of flowering.</li><li>Irrigate up to 20 days before harvest.</li><li>Adapt water requirements to soil and climate.</li></ul>To find out more, download our soybean technical guide: <a target="_blank" rel="noopener noreferrer" href="https://api-com.lidea-seeds.com/uploads/2022/07/soybean_technical_guide.pdf">click here</a>.

SOYBEAN IRRIGATION

IRRIGATION

<h3>SCLEROTINIA (Sclerotinia sclerotiorum)&nbsp;</h3><ul><li>If sclerotinia has already been observed on other crops on the field, soybean will also be at risk. Irrigation or rainy weather will increase sclerotinia development.</li><li>Use a variety with low susceptibility to sclerotinia.</li><li>Adapt irrigation by spacing out sessions while increasing water amount per session to avoid a ”hammam” effect that contributes to the development of sclerotinia.</li></ul><h3>&nbsp;DIAPORTHE (Diaporthe phaseolorum + var caulivora)</h3><ul><li>Characterised by a sudden dryness at the end of the cycle with small black points on the stem and pods (pycnidia) or superficial red-brown spot at a node (var caulivora).</li><li>Develops with high moisture and temperature before harvest.</li><li>This disease is spread by farm saved seeds, so the solutions are to use certified seeds and bury crop residues.</li></ul><h3>SEED FLIES/MAGGOT (Delia platura)</h3><ul><li>Can cause significant damage if emergence conditions are cold and humid with early and deep planting, especially in soils with high organic matter.</li><li>The only solution is to plant in more favourable conditions to obtain quick emergence.</li></ul><h3>GREEN STINK BUG (Nezara viridula L.)</h3><ul><li>Observe the crop from mid-July to mid-August once a week on 6 to 8 points over a few square metres, at the edges of and inside the field.</li><li>If bugs are found (2 to 3 minimum) on each second observation point, treatment is advised.</li><li>Some insecticides can be used but no later than 15 days before harvest. Check with local authorities for the molecules and dosages allowed.</li></ul><h3>HELICOVERPA ARMIGERA/HELIOTHIS</h3><ul><li>Attacks depend on arrival date and number of generations.</li><li>Observation and pheromone traps make it possible to ensure application of insecticide at the best time. Biological treatments (Bacillus thuringiensis, baculovirus) are efficient on eggs and young larvae. Irrigation and crop rotation are also good solutions.</li></ul>For more information, download our soybean technical guide: <a target="_blank" rel="noopener noreferrer" href="https://api-com.lidea-seeds.com/uploads/2022/07/soybean_technical_guide.pdf">click here</a>.

Soybean disease and pest control - Advice for farmers from Lidea Seeds

MONITOR DISEASES AND PESTS

<ul><li>Harvest when most leaves have fallen: kernel moisture is then between 14 and 16% (below 14% the pods will open and the kernels will be broken).</li><li>Use combines with flexible cuts to harvest even the lowest pods.</li></ul>To find out more, download our soybean technical guide: <a target="_blank" rel="noopener noreferrer" href="https://api-com.lidea-seeds.com/uploads/2022/07/soybean_technical_guide.pdf">click here</a>.

GOOD SOYBEAN HARVEST

<a href=" https://lidea-seeds.com/crops/soybean">Soybean</a> &nbsp;is an annual plant of the Fabaceae family (legumes). &nbsp;Soybean is a leguminous plant, so nitrogen fertiliser is not required. • Soybean is the plant with the highest protein content (40-45%), but also widely used for oil. • Soybean is the N°1 protein crop cultivated around the world (&gt; 130 millions ha). • It exists in 3 different growth types: determinate, semi-determinate and indeterminate.In our soybean technical guide below, discover all the advantages of soybean and certified seeds, and advice at each crop stage to help you to maximise your yield.&nbsp;

HOW TO GROW SOYBEAN?

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HOW TO GROW SOYBEAN?

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