Impact of nitrification inhibitor with organic manure and urea on nitrogen use efficiency and yield performance of MR219 rice in acid sulphate soil
A glasshouse experiment was designed to study the effects of nitrification inhibitor (Dicyandiamide; DCD) with organic manure and urea on nitrogen use efficiency (NUE), growth performance and yield of MR219 rice. DCD along with N source increased NUE and apparent N recovery over that of sole applica...
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| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Bangladesh Botanical Society
2017
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| Online Access: | http://psasir.upm.edu.my/id/eprint/62099/1/Impact%20of%20nitrification%20inhibitor%20with%20organic%20manure%20.pdf http://psasir.upm.edu.my/id/eprint/62099/ |
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| Summary: | A glasshouse experiment was designed to study the effects of nitrification inhibitor (Dicyandiamide; DCD) with organic manure and urea on nitrogen use efficiency (NUE), growth performance and yield of MR219 rice. DCD along with N source increased NUE and apparent N recovery over that of sole application of urea. Application of DCD along with urea and oil palm compost (OPC) resulted in the highest NUE (25.94 kg/ha) and fertilizer N recovery by rice (61.75%) together with the highest increase of panicles/hill (17.43%) and filled grains/panicle (9.42%) over urea alone. The highest grain (21.95%) and straw (13.86%) yield increase over control was achieved from DCD with urea and OPC reflecting as the most potential combination to improve NUE and rice yield in acid sulphate soil. |
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