during samba (August-December) season of 2012 and 2013 to study the effect of different sources of organic manures in comparison with INM and RDF on nutrient uptake and soil properties in rice (Oryza sativa L.). The experiment consisted of fourteen treatments which were laid out in Randomized Block Design, replicated thrice and SRI method of planting was adopted during both the years. Among fourteen treatments, four treatments with different organic manures at 100 per cent RDN on equi nutrient basis (farm yard manure, vermi-compost, poultry manure and (Dhaincha) green manure) another six treatments consisted of 50 per cent combination of each manure, one treatment with 1/4 th combination of all the manures and one absolute control (without organic or inorganic). These treatments were compared with the recommended dose of fertilizer (RDF) and integrated nutrient management practice (RDF + Dhaincha). Higher N, P and K uptake was observed with INM practice followed by RDF. Among the organic treatments, 100 per cent RDN through green manure resulted with higher nutrient uptake followed by 25 per cent RDN through each organic manures. Lower nutrient uptake was observed with absolute control where no fertilizers / manures received during both the years of study. The soil available N and P balance was positive with the INM treatment (85.0 and 5.10 kg ha-1) at the end of two year of cropping sequence. Among the organic treatments, 100 per cent RDN through green manure recorded the highest N balance (46.0 kg ha-1) followed by 25 per cent RDN through each organic manures (42.0 kg ha-1) at the end of the cropping system (2012-14). Similarly, the highest P balance was recorded with 25 per cent RDN through each organic manures (3.1 kg ha-1) and which was followed by 100 per cent RDN through green manure (3.0 kg ha-1) at end of the two years of cropping sequence. The least N and P balance was noticed with absolute control (-4.0 and-2.5 kg ha-1) at the end of cropping sequence. Invariably, all the treatments recorded net negative K balance in both the years of cropping sequence.

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SUMMARY :Field experiments were carried out at Tamil Nadu Agricultural University, Coimbatore, India during Samba (August-December) season of 2012 and 2013, and summer 2013 and 2014 with rice fallow green gram to study the effect of different sources of organic manures in comparison with RDF and INM on growth, yield, economics and nutrient status in rice-green gram cropping system. The experiment consisted of fourteen treatments which were laid out in Randomized Block Design, replicated thrice and square planting with 25 x 25 cm spacing was adopted during both the years experimentation. The gross return per hectare during 2012-2013, extended from Rs. 62,971 to Rs. 1,14,730 for the ricegreengram cropping system. The growth parameters such as productive tillers m -2 and the yield attributes like dry matter production, grain and straw yield of rice was recorded during both the years of the cropping system. The system productivity was worked out for the entire period of the cropping system. The nutrient balance status (N, P and K) was worked out at the end of the entire cropping system. The N and P balance at the end of the cropping system was positive in all the treatments except the absolute control, whereas the negative K balance was worked out in the entire cropping system. Higher gross return (Rs. 1,14,730) and net return (Rs. 68,245) were associated with the INM treatment (T 14 ) with the grain yield of 6235 kg ha -1 and it was corresponded to that observed with T 5 viz., 100% RDN through green manure (T 5 ) with the grain yield of 5084 kg ha -1 for gross return (Rs. 1,12,979) and net return (Rs. 66,978). During 2013-2014, the gross return and net return of the rice-greengram cropping sequence varied from Rs. 63,817 to Rs. 1,17,175 and from Rs. 32,385 to Rs. 70,690, respectively. The INM treatment (T 14 ) recorded with the grain yield of 6270 kg ha -1 and the higher gross return (Rs. 1,17,175) and net return (Rs. 70,690) and which was comparable with 100% RDN through green manure (T 5 ) with the grain yield of 5140 kg ha -1 and the gross return of Rs. 1,15,380 and the net return of Rs. 69,340, respectively. The lowest gross return was registered with the absolute control (T 1 ) (Rs. 63,817) and net return (Rs. 32,385) with the grain yield of 3602 and 3646 kg ha -1 during the cropping sequence

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A field experiment was conducted from August 2008 to January 2009 at Tamil Nadu Agricultural University, Coimbatore to find out the influence of foliar application of nutrition on yield attributes, yield and fibre quality of Bt cotton. The experiment was laid out in a randomized block design (RBD), replicated thrice. The treatments were T 1 - Urea - (1.5 %), T 2 - Diammonium phosphate (DAP) - (2 %), T 3 - Potassium chloride (KCl) - (2 %), T 4 - Potassium nitrate (KNO 3 ) - (3 %), T 5 - Potassium sulphate (K2 SO 4 ) - (1.5 %), T 6 - Polyfeed – (1.5 %) + Multi K - (1.5 %), T 7 - Zinc Sulphate (ZnSO 4 ) – (0.5 %), T 8 - Boron (solubar) - (0.2 %), T9 - Control. The results revealed that foliar application of Polyfeed (1.5 %) + Multi K (1.5 %) recorded significantly higher yield and better fibre quality such as ginning percentage, lint index, staple length, micronaire value, uniformity ratio, seed index, elongation percentage and tenacity at stray flowering and boll formation stages. Foliar nutrients significantly altered ginning percentage and lint index in Bt cotton.