000			03067nab|a22003617a|4500
999			_c64165 _d64157
001			64165
003			MX-TxCIM
005			20241010151859.0
008			191025s2021||||sz |||p|op||||00||0|eng|d
022			_a2071-1050
024	8		_ahttps://doi.org/10.3390/su13095010
040			_aMX-TxCIM
041			_aeng
100	1		_97504 _aShekhawat, K.
245	1	0	_aAchieving sustainability in food systems : _baddressing changing climate through real time nitrogen and weed management in a conservation agriculture-based maize–wheat system
260			_aBasel (Switzerland) : _bMDPI, _c2021.
500			_aPeer review
500			_aOpen Access
520			_aThe proven significance of conservation agriculture (CA) in enhancing agronomic productivity and resource use efficiency across diverse agro-ecologies is often challenged by weed interference and nitrogen (N) immobilization. The collective effect of real-time N and weed management has been scarcely studied. To evaluate the appropriateness of sensor-based N management in conjunction with a broad-spectrum weed control strategy for the maize–wheat system, an experiment was conducted at ICAR—Indian Agricultural Research Institute—in New Delhi, India, during 2015–2016 and 2016–2017. Weed management in maize through Sesbania brown manure followed by post-emergence application of 2,4-D (BM + 2,4-D) in maize and tank-mix clodinafop-propargyl (60 g ha−1) and carfentrazone (20 g ha−1) (Clodi+carfentra) in wheat resulted in minimum weed infestation in both crops. It also resulted in highest maize (5.92 and 6.08 t ha−1) and wheat grain yields (4.91 and 5.4 t ha−1) during 2015–2016 and 2016–2017, respectively. Half of the N requirement, when applied as basal and the rest as guided by Optical crop sensor, resulted in saving 56 and 59 kg N ha−1 in the maize–wheat system, respectively, over 100% N application as farmers’ fertilizer practice during the two consecutive years. Interactive effect of N and weed management on economic yield of maize and wheat was also significant and maximum yield was obtained with 50% N application as basal + rest as per Optical crop sensor and weed management through BM+2,4-D in maize and Clodi+carfentra in wheat crop. The study concludes that real-time N management, complemented with appropriate weed management, improved growth, enhanced agronomic productivity and endorsed N saving under a CA-based maize–wheat system in Trans Indo-Gangetic Plains.
546			_aText in English
650		7	_2AGROVOC _91740 _aOrganic fertilizers
650		7	_2AGROVOC _92530 _aSensors
650		7	_2AGROVOC _92058 _aNutrient management
650		7	_2AGROVOC _92912 _aNitrogen
650		7	_2AGROVOC _91309 _aWeeds
700	1		_aSingh, V.K. _91751
700	1		_aRathore, S.S. _97503
700	1		_aRaj, R. _922728
700	1		_aDas, T.K. _92992
773	0		_gv. 13, no. 9, art. 5010 _dBasel (Switzerland) : MDPI, 2021. _x2071-1050 _tSustainability
856	4		_yClick here to access online _uhttps://doi.org/10.3390/su13095010
942			_cJA _n0 _2ddc