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Anand Agricultural University, Anand

Anand Agricultural University (AAU) was established in 2004 at Anand with the support of the Government of Gujarat, Act No.(Guj 5 of 2004) dated April 29, 2004. Caved out of the erstwhile Gujarat Agricultural University (GAU), the dream institution of Sardar Vallabhbhai Patel and Dr. K. M. Munshi, the AAU was set up to provide support to the farming community in three facets namely education, research and extension activities in Agriculture, Horticulture Engineering, product Processing and Home Science. At present there seven Colleges, seventeen Research Centers and six Extension Education Institute working in nine districts of Gujarat namely Ahmedabad, Anand, Dahod, Kheda, Panchmahal, Vadodara, Mahisagar, Botad and Chhotaudepur AAU's activities have expanded to span newer commodity sectors such as soil health card, bio-diesel, medicinal plants apart from the mandatory ones like rice, maize, tobacco, vegetable crops, fruit crops, forage crops, animal breeding, nutrition and dairy products etc. the core of AAU's operating philosophy however, continues to create the partnership between the rural people and committed academic as the basic for sustainable rural development. In pursuing its various programmes AAU's overall mission is to promote sustainable growth and economic independence in rural society. AAU aims to do this through education, research and extension education. Thus, AAU works towards the empowerment of the farmers.

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Subject: Agronomy × Author: DABHI, MANISHKUMAR KHATUBHAI × End date: 2005 × Start date: 2005 × Thesis Type: M.Sc ×
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    ThesisItemOpen Access
    INFLUENCE OF IRRIGATION SCHEDULE BASED ON CRITICAL GROWTH STAGES AND SULPHUR APPLICATION ON GROWTH, YIELD ATTRIBUTES AND YIELD OF MUSTARD [Brassica Juncea (L.) Czern and Coss] UNDER MIDDLE GUJARAT CONDITIONS
    (AAU, Anand, 2005) DABHI, MANISHKUMAR KHATUBHAI; PATEL, J. J.
    A field experiment was conduGted during rabi season of the year 2004- 05 at the College Agronomy Farm, Anand Agricultural University, Anand to study the "Influence of irrigation schedule based on critical growth stages and sulphur application on growth, yield attributes and yield of Mustard [Brassica juncea (L.) Czern and Coss] under middle Gujarat conditions". The soil of the experimental plot was loamy sand in texture having good drainage, low in nitrogen, medium in available phosphorous and high in potash with pH 7.5. The treatment combinations comprised consisting of five levels of irrigation schedules viz., I1 (irrigation at branching), I2 (irrigation at branching+ flowering), I3 (irrigation at branching+ flowering +siliqua development), I4 (irrigation at branching+ flowering +siliqua development + grain filling) and I5 (0.6 IW : CPE ratio) relegated to main plot, as main plot treatment. The sub plot treatments comprised of three levels of sulphur viz.. So (control). S1 (20 kg S ha-1) and S2 (40 kg S ha-1). Thus, fifteen treatment combinations were tested in split plot design with four replications. The results indicated that the seed and stover yield as well as most of the growth and yield attributes of mustard were significantly influence due to different irrigation schedules. The results further revealed that treatment I4 (irrigation at branching+ flowering +siliqua development + grain filling) recorded significantly higher av. plant height at 60, 90 DAS and at harvest, total no. of branches per plant, maturity days, total number of siliqua per plant, length of siliquae (cm), number of seeds per siliquae, seed yield per plant (g) and test weight (1000 seed weight g). Treatment I4 (irrigation at branching+ flowering +siliqua development + grain filling) recorded significantly higher seed yield (2090.08 kg ha-1) and stover yield (3729.74 kg ha-1) of mustard. The seed and stover yield increase under the same tieatment was to the tune of 27.15 and 41.23 per cent respectively over treatment I1 (irrigation at branching). The consumptive use of water was increased with increase in irrigation levels whereas, the water use efficiency and water expense efficiency were higher with decreased level of irrigations. The highest net ICBR (1: 5.52) was observed under treatment I3 (irrigation at branching+ flowering +siliqua development), followed by treatment I4 (irrigation at branching+ flowering +siliqua development + grain filling) with net ICBR of 1: 5.47. The lowest net ICBR was noticed under treatment I5 (0.6 IW : CPE ratio). Among the various levels of sulphur application of 40 kg S ha-1(S2) resulted in the maximum growth and yield attributes, yield and oil content which ultimately resulted in the highest seed yield of mustard. Application of 40 kg S ha-1(S2) secured significantly the highest seed yield (1996.06 kg ha-1). The seed yield increased under the same treatment was to the tune of 15.35 per cent over treatment So (control). Apart from this, application of 40 kg S ha-1 (82) secured the highest consumptive use of water, water expense efficiency. While, maximum water use efficiency was recorded under treatment So (control). The maximum net ICBR 1: 31.34 was obtained under treatment S1 (20 kg S ha-1). During the course of investigation, the interaction effect of irrigation schedules and sulphur application revealed that treatment combination I4S2(irrigation at branching+ flowering +siliqua development + grain filling along with the application of sulphur @ 40 kg ha-1) recorded significantly the highest plant height at 60, 90 DAS and at harvest, total no. of branches per plant, maturity days, total no. of siliqua per plant(481.50), length of siliquae (5.69 cm), no. of seeds per siliquae (14.50), seed yield per plant (22.75 g), test weight (5.75 g), seed yield (2337.96 kg ha -i),oil content (38.90 %), and uptake of sulphur(14.46 kg ha-1). . For securing higher seed yield and net realization from Mustard crop cv. G.M-2 raised on loamy sand soils of middle Gujarat, when ample facility of irrigation, it is advisable to apply four irrigations, first common irrigation is to be applied immediately after sowing and remaining four irrigations, each of 50 mm soil depth to be scheduled at four different critical growth stages viz., irrigation at branching (40 DAS), irrigation at flowering (56 DAS), irrigation at siliqua formation (70 DAS) and irrigation at grain filling (90 DAS) with application of 40 kg S ha-1. Under limited water supply, one common irrigation immediately after sowing and second irrigation should be scheduled at branching stage (40 DAS) with application of 20 kg S ha-1 which give sufficient seed yield of mustard.