WEED MANAGEMENT IN SOYBEAN - PIGEONPEA INTERCROPPING SYSTEM AND ITS RESIDUAL EFFECT ON SUCCEEDING CROPS
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Date
2020
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DEPARTMENT OF AGRONOMY B. A. COLLEGE OF AGRICULTURE ANAND AGRICULTURAL UNIVERSITY ANAND
Abstract
With a view to study “Weed management in soybean - pigeonpea intercropping
system and its residual effect on succeeding crops”, a field experiment was conducted
during the year 2017-18 and 2018-19 in kharif season, at the Agricultural Research
Station, Anand Agricultural University, Derol, Taluka:Kalol, Dist.:Panchmahal
(Gujarat). The soil of the experimental site was sandy loam in texture, having low in
organic carbon and nitrogen, medium in available phosphorus and high in potassium.
The experiment was laid out in Randomized Block Design with four replications. The
ten weed control treatments were studied viz., pendimethalin 1000 g ha-1PE fb
interculturing + hand weeding at 30 DAS, clomazone 1000 g ha-1PE fb interculturing
+ hand weeding at 30 DAS, imazethapyr 75 g ha-1PoE fb interculturing + hand
weeding at 30 DAS, propaquizafop 75 g ha-1 PoE fb interculturing + hand weeding
at 30 DAS, quizalofop ethyl 50 g ha-1PoE fb interculturing + hand weeding at 30
DAS, fenoxaprop-p-ethyl 100 g ha-1 PoE fb interculturing + hand weeding at 30
DAS, imazamox 35% + imazethapyr 35% (Pre mix ) 70 g ha-1PoE fb interculturing +
hand weeding at 30 DAS, sodium acefluorfen 16.5% + clodinafop propargyl 8% EC
(Pre mix) 80 + 165 PoE fb interculturing + hand weeding at 30 DAS, interculturing
+ hand weeding at 20 & 40 DAS and weedy check. The soybean variety NRC37 and
pigeonpea variety AGT 2 were used in the experiment as a test crop. All the
recommended agronomic practices were followed for raising the crop during both the
years of experimentation.