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Impacts of soil fertility management on productivity and economics of rice and fodder intercropping systems under rainfed conditions in Odisha,India

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Journal of Integrative Agriculture 2021年第12期20卷 3114-3126页

作者： Dilip Kumar BASTIA Subrat Kumar BEHERA Manas Ranjan PANDA All India Coordinated Research Project for Dryland Agriculture Odisha University of Agriculture and Technology(OUAT)Phulbani 762001India

Under small and marginal farm conditions,allocation of land exclusively for forages is not ***,integration of forages in existing crop geometry can ensure production of grain and fodder,simultaneously under rainfed *** experiment was conducted to study the effect of different nutrient management practices on rice and fodder intercropping systems under rainfed conditions during *** intercropping system comprised(i)sole rice(R),(ii)rice and cowpea(5:2)(CP)and(iii)rice and ricebean(5:2)(RB)whereas the different nutrient management practices comprised(i)application of farm yard manure(FYM)at 5t ha^(-1)(farmers'practice)(N_(1)),(ii)application of inorganic fertilizer(recommended dose of fertilizer(RDF)of rice,60:30:30 kg ha^(-1) of N:P_(2)O_(5):K_(2)O)(N_(2))and(iii)application of both FYM at 5t ha^(-1) and 50%of RDF inorganic fertilizer(N3).The results of the experiment revealed that the growth attribute such as leaf area was influenced significantly when fodder crops were taken as intercrops because rice plant was getting more nitrogen from soil due to nitrogen fixation of leguminous fodder *** the nutrient management practices,significant differences in leaf area were found beween N2 and and between N_(3)and N_(1)***,regarding total number of effective tillers,significant differences were found neither between nutrient management practices nor between cropping *** rice equivalent yield(REY)based on price(REY_(P))was found to be significantly lower in CP(2615 kg ha^(-1);-6.4%)and RB intercropping systems(2571 kg ha^(-1);-8.0%)than in R monocropping system(2794 kg ha^(-1)).However,the REY based on energy(REY_(E))of CP(2999 kg ha^(-1);+7.3%)and RB(2960 kg ha^(-1);+5.9%)were found to be significantly higher than that of R(2794 kg ha^(-1))irrespective of nutrient management *** different nutrient management practices,the N3 treatment recorded the highest REY_(P)and REY_(E)which was at par with

关键词： rice-based intercropping system fodder cultivation nutrient management rice and cowpea fodder intercropping system rice and ricebean fodder intercropping system

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