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Nutrient uptake and residual effect of organic treatments applied to vegetable–rice system in an acid soil

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Title Nutrient uptake and residual effect of organic treatments applied to vegetable–rice system in an acid soil
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Creator A. Velmurugan & Palanivel Swarnam
 
Subject cropping system; humid tropics; organic amendments; residual effect
 
Description Not Available
Direct and residual effects of organic treatments and in combination with
inorganic fertilizers applied to acid soils were studied in the okra–rice system.
Among the treatments studied, vermicompost (V.C) and poultry manure
improved soil pH and exhibited liming effect, whereas inorganic fertilizer
decreased soil pH. Inorganic fertilizer contributed to 78% of net return in okra
but the residual effect was observed in inorganic and V.C combination. Soil
available nitrogen and potassium had increased at 100% recommended
dose, compensated crop uptake at 75%, but depletion was observed at 50%.
Uptake of nitrogen was higher for okra from inorganic fertilizer but higher
phosphorus and potassium uptake from V.C was observed for rice. Organic
treatments showed better correlation between soil pH and zinc (Zn) uptake
by okra and significant residual effect on rice. But it reduced the solubility of
iron (Fe) and its uptake by okra and indicated a negative correlation between
pH and diethylene triamine penta acetic acid-extractable Fe2C.
Not Available
 
Date 2021-01-23T05:24:11Z
2021-01-23T05:24:11Z
2017-01-01
 
Type Research Paper
 
Identifier A. Velmurugan & Palanivel Swarnam,Nutrient uptake and residual effect of organic treatments applied to vegetable–rice system in an acid soil, JOURNAL OF PLANT NUTRITION
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http://krishi.icar.gov.in/jspui/handle/123456789/44987
 
Language English
 
Relation Not Available;
 
Publisher Taylor & francis group