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Chaudhary Sarwan Kumar Himachal Pradesh Agriculture University, Palampur

Himachal Pradesh Krishi Vishvavidyalaya (renamed as Chaudhary Sarwan Kumar Himachal Pradesh Krishi Vishvavidyalaya in June, 2001) was established on 1st November, 1978.The College of Agriculture (established in May, 1966) formed the nucleus of the new farm University. It is ICAR accredited and ISO 9001:2015 certified institution. The Indian Council of Agricultural Research has ranked this University at eleventh place among all farm universities of the country. The University has been given the mandate for making provision for imparting education in agriculture and other allied branches of learning, furthering the advancement of learning and prosecution of research and undertaking extension of such sciences, especially to the rural people of Himachal Pradesh. Over the years, this University has contributed significantly in transforming the farm scenario of Himachal Pradesh. It has developed human resources, varieties and technologies and transferred these to farming community enabling the State to receive the “Krishikarman award” of Govt. of India four times in row for food grain production among small states of the country. Today, the State has earned its name for hill agricultural diversification and the farming community has imposed its faith in the University.

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20111
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Subject: Agronomy × End date: 2012 × Start date: 2010 × Thesis Type: Ph.D ×
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    ThesisItemOpen Access
    BIO-EFFICACY AND RESIDUE STUDIES OF HERBICIDES IN SOYBEAN-WHEAT CROPPING SYSTEM
    (CSK Himachal Pradesh Krishi Vishavavidyalaya, Palampur, 2011) CHANDER, NAVELL; Kumar, Suresh
    ABSTRACT The field experiment was conducted at Palampur during kharif 2009 to Rabi 2010-11 to find out an effective weed control schedule in soybean-wheat cropping system. Eight weed control treatments viz. pendimethalin 1500 g ha-1 (pre), imazethapyr 200 g ha-1 (pre), quizalofop ethyl 60 g ha-1 (early post), imazethapyr 75 g ha-1 (pre) fb. imazethapyr 75 g ha-1 (early post), quizalofop ethyl 50 g ha-1 + chlorimuron ethyl 4 g ha-1 (early post), pendimethalin 1500 g ha-1 (pre) fb. chlorimuron ethyl 4 g ha-1 (early post), hand weeding (twice) and unweeded check in soybean as main plot factors and unweeded check, isoproturon 1000 g ha-1 + 2,4-D 500 g ha-1 and isoproturon 750 g ha-1 + 2,4-D 500 g ha-1 in wheat as subplot factors were tested in split plot design with three replications. The soil of the test site was acidic in reaction (pH-5.6), silty clay loam in texture and medium in available nitrogen (284.8 kg ha-1), phosphorus (14.6 kg ha-1) and potassium (268.0 kg ha-1). Among treatments applied in soybean, pendimethalin 1500 g ha-1 (pre) fb. chlorimuron ethyl 4 g ha-1 (early post) effectively managed weeds (Commelina, Echinochloa, Digitaria, Ageratum, Cyperus sp.) with an average weed control efficiency of 61.1 per cent and resulted in higher yield attributes viz. branches per plant, pods per plant and 1000-seed weight, seed yield (18.7 and 18.3 q ha-1) and seed quality (41.1 and 15.0 per cent higher oil and protein content than weedy check). In wheat, both isoproturon 1000 g ha-1 + 2,4-D 500 g ha-1 and isoproturon 750 g ha-1 + 2,4-D 500 g ha-1 were comparable in controlling weeds (Phalaris, Avena, Lolium, Vicia and Coronopus) and increasing yield attributes, yields (38.2 and 35.1 q ha-1) and protein content (14.3 and 13.1 per cent). None of the herbicides applied in soybean had any residual effect on wheat crop as well as on the test crop(s) studied in laboratory. Economic studies on system basis revealed that pendimethalin 1500 g ha-1 (pre) fb. chlorimuron ethyl 4 g ha-1 (early post) resulted in Rs.85096 and Rs.85165 net returns and Rs.1.88 and Rs.1.88 net returns per rupee invested during 2009-10 and 2010-11, respectively. ------