Barseem is a fast-growing, high-protein fodder crop, and it needs balanced nutrition to give multiple good cuttings. Sometimes farmers notice that even after giving irrigation and normal fertilizers, the crop looks weak, pale, and does not grow uniformly. One common reason can be manganese deficiency. Manganese is a micronutrient, needed in small quantity, but it plays an important role in leaf greenness, plant growth, and overall fodder yield. When manganese is low in the soil, barseem cannot produce healthy leaves and the crop quality reduces.
Manganese deficiency in barseem is mainly seen in alkaline soils, soils with high pH, and in fields where lime content is high. It can also appear in light soils or in fields that have been continuously cropped without adding enough organic matter. Another reason is overuse of phosphorus fertilizers, because too much phosphorus can reduce the availability of manganese to the plant. In winter, when the soil is cold and wet, nutrient uptake can slow down and deficiency symptoms may look more severe. Many times, deficiency is more visible after the first or second cutting, when the crop is trying to regrow quickly and needs more nutrients.
The symptoms of manganese deficiency in barseem mostly appear on the younger leaves. Farmers will notice that the new leaves become light green, and the area between the veins turns yellow, while the veins may remain greener. This is called interveinal chlorosis. In some cases, tiny brown or grey specks may appear on the leaves, and the leaf may look dull and weak. If the deficiency becomes severe, the plant growth slows down, the crop becomes thin, and the yield per cutting reduces. The fodder may look less lush, and overall recovery after cutting becomes poor. Sometimes farmers confuse these symptoms with iron deficiency, nitrogen deficiency, or water stress. The difference is that manganese deficiency often shows a clear pattern of yellowing between veins on young leaves, and the crop does not respond quickly even after normal nitrogen application.
Manganese sulphate deficiency is basically the shortage of manganese in the plant system. Manganese sulphate is one of the common fertilizers used to correct it. If you suspect manganese deficiency, the best approach is to confirm through soil or plant testing, but many farmers manage it based on field symptoms. Correction can be done through soil application or foliar spray. Foliar spray is faster because the nutrient directly reaches the leaves. In barseem, foliar spray is often preferred when the crop needs quick recovery after cutting. Spraying should be done in the morning or late afternoon, and the spray should cover the leaves properly. If the deficiency is severe, a second spray may be needed after 10–15 days.
Soil application is useful for longer effect, especially in fields where manganese deficiency is recurring every season. Applying manganese sulphate to the soil and mixing lightly can improve availability, but in high pH soils, the effect may be slower. Adding organic matter like compost or well-decomposed FYM helps because it improves micronutrient availability and supports better root activity. Also, avoid overuse of phosphorus fertilizers. Apply fertilizers in balanced manner, because micronutrient deficiencies often appear when one nutrient is applied too much and others are ignored.
Irrigation and drainage also matter. Barseem likes moist soil, but waterlogging reduces root activity and nutrient uptake. Maintain proper drainage and avoid standing water, especially in heavy soils. After cutting, give timely irrigation and a light nutrient support so the crop regrows strongly.
In short, manganese deficiency in barseem causes yellowing of young leaves, weak growth, and reduced fodder yield. It is more common in alkaline soils and low organic matter fields. Timely correction using manganese sulphate, along with better organic matter and balanced fertilization, helps the crop stay green, recover quickly after each cutting, and give higher fodder production.
