Effect of potassium on soil conservation and productivity of maize / cowpea based crop rotations in the north - west Indian Himalayas.
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Title |
Effect of potassium on soil conservation and productivity of maize / cowpea based crop rotations in the north - west Indian Himalayas.
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Creator |
Birendra Nath Ghosh
Om Pal Singh Khola R. BHATTACHARYYA Kuldep Singh Dadhwal Prasant Kumar Mishra |
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Subject |
potassium appllication, crop rotations, minimum tillage water balance, runoff and soil loss, carbon sequestration, soil K status, net return.
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Description |
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Plots under conservation tillage may require higher amount of potassium (K) application for augmenting productivity due to its stratification in upper soil layers , thereby reducing K supplying capacity in a medium or long- term period. To test this hypothesis , a field experiment was performed in 2002- 2003 and 2006- 2007 to study the effect of K and several crop rotations on yield, water productivity , carbon sequestration, grain quality, soil K status and economic benefits derived in maize ( Zea Mays L) cow pea ( vigna snensis L) based cropping system under minimum tillage ( MT) . All crops recorded higher grain yield with a higher dose of K( 120 kg K2O ha -1) than recommended K( 40 kg K2 ha-1) . The five years average yield data showed higher K application ( 120 kg K2O ha-1) produced 16.4% (P Not Available |
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Date |
2020-06-04T10:00:34Z
2020-06-04T10:00:34Z 2015-08-23 |
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Type |
Research Paper
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Identifier |
Not Available
Not Available http://krishi.icar.gov.in/jspui/handle/123456789/36860 |
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Language |
English
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Relation |
Not Available;
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Publisher |
Not Available
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