EFFECT OF LONG-TERM FERTILITY MANAGEMENT PRACTICES ON SOIL, CROP QUALITY AND PRODUCTIVITY OF SOYBEAN GROWN IN VERTISOLS OF WESTERN MADHYA PRADESH
Journal Title: International Journal of Agriculture Sciences - Year 2016, Vol 8, Issue 60
Abstract
The present investigation was carried out in kharif 2009 under All India Coordinated Research Project for Dry land Agriculture, College of Agriculture, Indore. The experiment was aimed to evaluate the effect of inorganic fertilizers with or without organic manure on soil and crop quality, growth and productivity and to workout the economic viability soybean utilizing a permanent manurial trial on soybean in rainfed Vertisols. The results revealed that the highest soybean seed yield (2600kg ha-1 during 2009 and 2205 kg ha-1 on the basis of 18 years average) was recorded due to half of the recommended dose of N and P + 6 t FYM per ha. The highest gross and net returns were also obtained due to this treatment comprising of 50% of RDF + 6t FYM ha-1 followed by recommended dose of fertilizers, pure organic and lowest in case of control. The highest sustainability yield index (SYI) of 0.46 was obtained due to the treatment of FYM @ 6 t per ha + N20P13,FYM and crop residue added treatments gave higher mean weight diameter (MWD) in comparison to chemical fertilizer added treatments. Addition of organics along with chemical fertilizers reduced the bulk density. The porosity ranged from 46.97 per cent to 55.60 per cent in different treatments and was highest in the treatment of FYM @ 6 t per ha + N20P13.
Authors and Affiliations
VIJAY PRATAP SINGH
Keywords
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