A field experiment was carried out at College Agronomy Farm, B. A. College of Agriculture, Anand Agricultural University, Anand, Gujarat on loamy sand soil during summer season of 2012 to study the effect of integrated nitrogen management under different crop establishment methods of pearl millet under middle Gujarat conditions. Data revealed that among different crop establishment methods sowing of pearl millet by using pair row transplanting method recorded significantly higher number of effective tillers/m row length, length of earhead and significantly the highest dry matter accumulation/plant, grain and straw yields and among different nitrogen management treatments application of 50% RDN+25% FYM+25% castor cake+Azospirillum+PSB produced significantly higher values of number of effective tillers/metre row length, length of earhead and straw yield and significantly the highest dry matter accumulation and grain yield of pearl millet. Further soil analysis data revealed that application of 50% RDN+25% FYM+25% castor cake+Azospirillum+PSB recorded significantly the highest protein content in grain (%), organic carbon content (%), total nitrogen (%) and significantly higher available phosphorus and available potash in soil. From economic point of view, sowing of pearl millet by pair row transplanting method and application of 50% RDN+25% FYM+25% castor cake+Azospirillum+PSB recorded significantly higher net realization of Rs. 34359 and 36026/ha, respectively.
A field experiment was conducted at Anand Agricultural University, Anand, Gujarat during rabi season of the years 2013–14 and 2014–15 to study the response of rabi greengram (Vigna radiata L.) to levels of nitrogen, phosphorus and biofertilizer. An experimental result on pooled basis revealed that application of nitrogen, phosphorus and biofertilizer recorded significant increase in various growth attributes, yield attributes and yield of rabi greengram. Among the different levels of nitrogen, application of N @ 30 kg/ha produced significantly superior plant height, number of branches per plant, dry weight of root nodules per plant, number of pods per plant, seed yield (1219 kg/ha) and haulm yield (2823 kg/ha) and it remained at par with application of N @ 20 kg/ha. Similarly, application of phosphorus @ 40 kg/ha recorded significantly higher plant height, number of branches per plant and test weight and the highest in dry weight of root nodules per plant, number of pods per plant, seed yield (1240 kg/ha) and haulm yield (2863 kg/ha) as compared to lower levels of phosphorus. Biofertilizers (seed inoculation of Rhizobium + soil application PSB) recorded significantly the highest on growth parameters, yield attributes, seed yield (1212 kg/ha) and haulm yield (2816 kg/ha) over control. Treatment combination P3B1 (40 kg P2O5/ha along with biofertilizer i. e. Rhizobium+PSB) gave outstanding performance in case of dry weight of root nodules per plant, number of pods per plant and seed yield of rabi greengram.
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