JUNAGADH AGRICULTURAL UNIVERSITY RECOMMENDATIONS/TECHNOLOGY DEVELOPED DURING LAST 12 YEARS (2001-02 TO 2012-13) New technologies were developed in the different disciplines. Nearly 402 recommendations/new technologies/package of practices were developed in various disciplines as described below. I. CROP PRODUCTION A. Nutrient Management Year: 2001-02 Recycling of farm waste in groundnut production The farmers of South Saurashtra Agro-climatic Zone growing kharif groundnut cv. GG-20 are advised to apply FYM @ 10 tones/ha every year for getting higher pod yield and oil content. (Main Oilseeds Research Station, Junagadh) Integrated nutrient management in castor The farmers of South Saurashtra Agro-climatic Zone growing hybrid castor GCH-4 are advised to fertilize their crop with 50% recommended dose of chemical fertilizer along with 50 % N through castor cake for getting higher seed yield as well as monetary returns. (Main Oilseeds Research Station, Junagadh) Split application of nitrogen and time thinning in bajra The farmers of North Saurashtra Agro-climatic Zone growing hybrid bajra in kharif season are advised to thin bajra crop 15 days after sowing and apply recommended dose of nitrogen in two equal splits (50 % basal and 50% at 15-30 days after sowing) to get higher production. (Main Pearl Millet Research Station, Jamnagar) Response of garlic to nitrogen and phosphorus Farmers of North Saurashtra Agro-climatic Zone growing garlic (GG-2) in rabi season are advised to apply 50 kg each of nitrogen and phosphorus per hectare to obtain maximum yield and higher net return. (Main Pearl Millet Research Station, Jamnagar) Nitrogen and phosphorus requirement of sorghum The farmers of North Saurashtra Agro-climatic Zone-VI growing sorghum as a green fodder crop are advised to grow kharif sorghum var. GJ-39 and fertilize it with 40 kg N/ha for getting maximum green fodder yield and better return. Phosphorus application is not found beneficial. (Grassland Research Station, Dhari) Response of forage maize to fertilizer application The farmers of North Saurashtra Agro-climatic Zone-VI growing maize (Gujarat Maize-2) for green fodder under dry farming conditions are advised to apply FYM @ 10 tones/ha and 60 kg N/ha (50% N as basal and 50% N at 30 days after sowing) for securing optimum green fodder yield. Phosphorus application is not necessary. (Grassland Research Station, Dhari) Integrated nutrient management in sesame The farmers of AES-IX of North Saurashtra Agro-climatic Zone growing sesame (variety- GT-2) and applying 50:25:00 NPK kg/ha are advised to apply 25 kg N/ha through FYM + PSB + 12.5 kg P2O5/ha as basal and 25 kg N through urea as top dress to get higher monetary return. (Agricultural Research Station (Ag. Botany), Amreli) Sources and levels of sulphur on seed and oil yield of sesame The farmers of AES-IX of North Saurashtra Agro-climatic Zone are advised to apply 15 kg sulphur/ha through gypsum (100 kg/ha), if gypsum is not available apply single super phosphate to sesame (GT-2) besides the recommended dose of (50:25:00 NPK kg/ha) fertilizer for getting higher yield and monetary returns. (Agricultural Research Station (Ag. Botany), Amreli) Year: 2002-03 Study the effect of spacing, nitrogen and phosphorus on the yield of new hybrid of pearl millet in summer season The farmers of AES-2, Middle Gujarat Agro-climatic Zone-III growing hybrid pearl millet GHB-316 during summer are advised to sow the crop at 45 cm spacing (between rows) and apply 120 kg nitrogen and 40 kg phosphorus per hectare to obtain higher grain yield and net return. (Main Pearl Millet Research Station, Jamnagar) Enrichment of compost by bio-inoculants and natural mineral amendments For enrichment of compost prepared mainly from crop residues, green weeds and other organic wastes, farmers are advised to add bio-inoculants (composite compost culture, Azotobactor and PSM @ 500 g each per tone of organic residues) + urea @ 0.5% + rock phosphate @ 1.00%, P2O5 and Pyrite @ 5 per cent. (Main Pearl Millet Research Station, Jamnagar) Response of plantation crop sapota under saline water irrigation systems along with amendments The sapota growers of the coastal region of South Saurashtra irrigating their crop with saline water are advised to apply gypsum @ 40 kg/tree in alternate year or FYM @ 80 kg/tree every year. (Department of Agril. Chem. & Soil. Sci., Junagadh) Year: 2003-04 Production maximization in groundnut by using high inputs The farmers of South Saurashtra Agro-climatic Zone growing summer groundnut are advised to apply FYM @ 10 t/ha along with 50 per cent RDF + 500 kg gypsum/ha (i.e. 12.5:25:00 NPK kg/ha) every year and apply 11 irrigations as per recommendation ( 1st immediately after sowing for good germination, 2nd 18-20 DAS, 3rd and 4th 30 and 40 DAS, 5th to 9th at an interval of 7 to 8 days and the remaining irrigations at an interval of 8 to 9 days) to their crop for obtaining higher yield and net realization. (Main Oilseeds Research Station, Junagadh) Effect of plant density and fertilizer on groundnut pigeon pea intercropping The farmers of South Saurashtra Agro-climatic Zone following bunch groundnut-pigeon pea intercropping system (2:1) under rainfed condition are advised to maintain 100 per cent plant density by keeping intra row spacing of 7.5 and 20 cm, respectively and apply 100 per cent RDF of groundnut (i.e. 12.5:25:00 NPK kg/ha) as basal dose to both the crops for getting higher gross and net return. (Main Oilseeds Research Station, Junagadh) 2 Response of forage sorghum to different seed rate and nitrogen levels for higher production The farmers of North Saurashtra Agro-climatic Zone growing forage sorghum as a green fodder crop during kharif season are recommended to apply 120 kg N/ha (60 kg as a basal dose and 60 kg as a top dressing) at 30 days after sowing to sorghum crop with keeping the seed rate of 50 kg/ha for getting economically optimum green fodder yield. Phosphorus @ 40 kg/ha should be applied as common dose. (Grassland Research Station, Dhari) Year: 2004-05 Bajra and Mustard The farmers of North Saurashtra Agro-climatic Zone growing bajra (kharif)-mustard (rabi) crop sequence are advised to apply 100 per cent RDF + 10 t FYM/ha to bajra and only 50 per cent RDF to mustard crop to obtain higher yield and net return of the sequence. (Main Pearl Millet Research Station, JAU, Jamnagar) Sesame and Cotton The farmers of North Saurashtra Agro-climatic Zone adopting sesame based intercropping system are advised to fertilize sesame + Hy. cotton (3:1) with 100 per cent RDF of main and intercrop as per area for getting higher yield and net return. (Agricultural Research Station (Ag. Botany), JAU, Amreli) Marvel Grass The farmers of North Saurashtra Agro-climatic Zone are advised to grow marvel grass with application of 60-30 NP kg/ha (30 kg N as a basal and 30 kg N at 30 DAS) for obtaining economically maximum green biomass and dry matter yield in marginal lands under rainfed condition. (Grassland Research Station, JAU, Dhari) Groundnut The farmers of North Saurashtra Agro-climatic Zone growing groundnut (GG-20) under dry- farming condition in kharif season are advised to apply recommended dose of N and P through DAP and urea with gypsum (18.75 kg S/ha) for getting maximum pod yield and higher net return. (Grassland Research Station, JAU, Dhari) Garlic and Groundnut The farmers of South Saurashtra Agro-climatic Zone adopting garlic-groundnut crop sequence on calcareous black soils having low Zn and medium to high K status are advised to apply 25 kg ZnSO4 + 75 Kg K2O per hectare in addition to recommended dose of N and P before sowing of garlic crop and recommended dose of N and P to kharif groundnut for getting higher yield and net return from garlic-groundnut crop sequence. (Department of Agril. Chem. & Soil. Sci., JAU, Junagadh) Year: 2005-06 Groundnut (Summer)-sea weeds liquid fertilizer The farmers of Middle Gujarat Agro-climatic Zone–III (AES-II), growing summer groundnut (GG-2) on soils having marginal status of Zn and Fe are advised to spray 1 % of multi micronutrients mixture (Fe 2 %, Mn 0.5 %, Zn 4.0 %, Cu 0.3 % and B 0.5 % equivalent to Govt. notified general Grade-I) or sea weed liquid fertilizer (SLF) @ 1.5 per cent at 15, 30 and 45 days after sowing to get higher groundnut yield and profit. (Fisheries Research Station, JAU, Okha) Groundnut (GG-2)-sea weeds liquid fertilizer The farmers of North Saurashtra Agro-climatic Zone(AER-2) growing kharif groundnut (GG- 2) on Zn and Fe deficient soils are advised to spray the crop with sea weeds liquid fertilizer 3 (SLF) @ 3.5 per cent at 15, 30 and 45 days after sowing to get higher groundnut yield and net realization. (Fisheries Research Station, JAU, Okha) Cotton–organic manure The farmers of North Saurashtra Agro-climatic Zone growing hybrid Cotton-8 in kharif season under dry farming condition are advised to adopt 30 cm deep tillage every year for the highest seed cotton yield, net return and moisture conservation. They are also advised to apply FYM @ 10 t/ha for higher yield, net return and moisture conservation. Recommended dose (80:0:0 NPK kg/ha) of fertilizer should be applied to the crop (Grassland Research Station, JAU, Dhari) Castor The farmers of South Saurashtra Agro-climatic Zone growing hybrid castor GCH-6 under -1 irrigated condition are advised to fertilize castor crop with 40 kg P2O5 ha besides the recommended dose of N for getting maximum castor seed yield and net return.