Mixed, banded, and with‐seed placements of P were investigated during early growth stages of greenhouse corn. Forage yield, percent P, and yield of P were used to evaluate the three placement methods at 14, 21, and 28 days from planting. Percent seed emergence did not differ among the placement methods. Yield of forage, percent P, and yield of P were greater when P was placed in contact with the seed than when it was either mixed or banded. Mixed and banded placement gave the same forage yield. Percent P was greater with mixed than with banded placement for the 14‐ and 21‐day harvests, but this situation was reversed at the 28‐day harvest. Yield of P was affected in the same manner as percent P with respect to mixed and banded placement. P rates, P placement, and climatic factors that may differ between this greenhouse study and field trials, and their possible effects on the results obtained are discussed.

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A field experiment was conducted at Agronomy farm, S.K.N. College of Agriculture, Jobner, Jaipur (Rajasthan) during kharif season of 2018 to study the effect of sulphur and zinc fertilization on productivity and economics of sesame. The experiment comprising of four levels each of sulphur (0, 15, 30 and 45 kg/ha) and zinc (0, 10, 20 and 30 kg zinc sulphate/ha), thereby making 16 treatment combinations was laid out in factorial randomized block design and replicated thrice. Results showed that progressive increase in level of sulphur up to 30 kg/ha significantly increased the most of the yield attributing characters of sesame viz., number of capsules/plant, number of seeds/capsule and test weight over preceding levels. It also recorded significantly higher seed yield (712 kg/ha) of sesame over control and 15 kg/ha and found at par with 45 kg/ha. Result further showed that every increase in level of zinc sulphate up to 20 kg/ha by and large significantly improved most of the yield determining characters of sesame over lower levels. It also recorded significantly higher seed yield (725 kg/ha) over control and 10 kg/ha and found at par with 30 kg/ha. The results further showed that according to economic and marginal analysis, progressive increase in level of sulphur upto 30 kg S ha -1 and zinc 20 kg Zn ha -1 seemed highly practical due to higher net returns, benefit cost ratio (BCR) and optimum dose of sulphur and zinc for sesame crop were computed as 39.24 kg S ha -1 and 26.30 kg Zn ha -1 , respectively.

The results of present investigation revealed that among the different potting media treatments, M1: Vermiculite + Garden soil + Sand was found to be most beneficial for improving took days to germination, germination percentage, height of the seedling, number of leaves seedling-1, stem diameter, primary roots length (cm), number of secondary roots, fresh and dry shoots weight, fresh and dry roots weight, seed vigor index – I and II and leaf area (cm). In present investigation, application of G3: GA3 600 ppm significantly enhanced the seed germination and seedling growth viz., Days to germination (25.12), germination percentage (91.52%), height of the seedling (32.78cm), number of leaves seedling-1(18.61), stem diameter (3.53), primary roots length (7.59cm), number of secondary roots (21.68), fresh and dry shoots weight (16.71g and 6.51g), fresh and dry roots weight (1.93g and 1.31g), seed vigour index – I (3000.11) and II (699.87) and leaf area (66.33 cm2). The effect of interaction of different level of GA3 (0.00, 400, 500 and 600ppm) and different level of potting media viz., vermicuilite, garden soil, sand, FYM, cocopeat and vermincompost (1:1:1 ratio) on seed vigour index - I. The maximum seed germination, days to germination, and seedling growth, seed vigour index I & II and leaf area was found in treatment GA3 600 PPM + Vermiculite + Garden soil + Sand. The effect of interaction of GA3 and potting media was found significant for seed germination, days to germination, and seedling growth, seed vigour index I & II and leaf area of guava cv. Allahabad safeda seedling under shade net condition.

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