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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
 
Subject potassium appllication, crop rotations, minimum tillage water balance, runoff and soil loss, carbon sequestration, soil K status, net return.
 
Description Not Available
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
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Date 2020-06-04T10:00:34Z
2020-06-04T10:00:34Z
2015-08-23
 
Type Research Paper
 
Identifier Not Available
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http://krishi.icar.gov.in/jspui/handle/123456789/36860
 
Language English
 
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Publisher Not Available