Effect of vermicompost and phosphorus on crop growth and nutrient uptake in mung bean

Muhammad Arsalan, Shoaib Ahmed, Junaid Nawaz Chauhdary, Muhammad Sarwar

Abstract


A field experiment was conducted to study the effect of vermicompost and three different levels of phosphorus fertilization on nutrient uptake in grain, straw, their total uptake and yield in mung bean at wheat program research area NARC, Islamabad. Application of phosphorus and vermicompost plays an important role in growth, development and maturity of crop and also in development of roots and nodulation. The soil was low in organic matter (0.8%), available nitrogen (1.76mg kg-1), phosphorus (2.9mg kg-1) and medium in available potassium (120mg kg-1). Application of vermicompost (2 t ha-1) with full dose of phosphorus (75 kg P2O5 ha-1) treatment (V1P2) fertilization markedly influenced the nutrient concentration in grains (2.56% of N, 0.3% of P, 1.23% of K), their uptake (62 kg ha-1 N, 12 kg ha-1 P, 39 kg ha-1 K) and yield (1410 kg ha-1) over control in mung bean. Economically significant nutrient contents in grain (2.44% N, 0.37% P, 1.17% K), nutrient uptake (52 kg ha-1 N, 8.91 kg ha-1 P, 31.5 kg ha-1 K) and yield (1282 kg ha-1) was observed from the treatment where half dose of fertilizer (37.5 kg P2O5 ha-1) with 2 t ha-1 vermicompost (V1P1) over control. 


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