Studies on optimum nutritional and weed management practices in response to diagnostic survey at the mandarin organge orchard of Darjeeling hills
2003
Roy, A. | Pramanik, M. | Haque, R., Bidhan Chandra Krishi Viswavidyalaya, Darjeeling (India). Regional research Station)
A diagnostic survey was carried out at four different locations (Kalimpong, Kurseong, Mirik and Darjeeling) of Darjeeling district revealed that lack of nutrition and weed management along with selection of exhaustive intercrops like ginger, maize and millets even in full bearing orchards resulted in poor reserve soil nutrient content (total nitrogen, available phosphorus and potassium) as well as lower nutrient content in f61iage particularly of nitrogen, potassium, iron, manganese, zinc and copper. Among weed control measures studied, herbicidal control proved superior to hand weeding and integrated control (hoeing + herbicide + hand weeding). Two sprays of Glyphosate @ 2.0 litre/ha. followed by one spray of glyphosate @ 1.0 L/ha in the month of April, july and September was observed effective in suppressing weed population.
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