Innovations in Dryland Agriculture
109 available for in-crop use. The options currently available are based on spectral reflectance that can reasonably accurately ...
110 cost of applying herbicides. Thus for these growers the demand is now for effective site-specific weed management systems. G ...
111 Even the best made systems apply selection pressure to weeds to evolve in response to the control strategies imposed. For th ...
112 Derpsch R, Franzluebbers AJ, Duiker SW, Reicosky DC, Koeller K, Friedrich T, Sturny WG, Sá JCM, Weiss K (2014) Why do we nee ...
113 Lutman PJW, Moss SR, Cook S, Welham SJ (2013) A review of the effects of crop agronomy on the management of Alopecurus myosu ...
114 UNCCD (2015) An introduction to the United Nations Convention to combat desertification http:// http://www.unccd.int. Access ...
© Springer International Publishing AG 2016 115 M. Farooq, K.H.M. Siddique (eds.), Innovations in Dryland Agriculture, DOI 10.10 ...
116 Likewise, the productivity of various crops [sorghum (Sorghum bicolor (L.) Moench), pigeonpea (Cajanus cajan (L.) Millspaugh ...
117 losses which may be through soil erosion (wind and water), or through leaching or volatilization. Moreover, the crop residue ...
118 summer crops due to unpredictable growing conditions and poor extension services provided by extension staff (FAO 1988 ), bu ...
119 2.4 Soil Erosion Soil erosion in dryland regions also causes substantial loss of nutrients. Tillage of dryland soils degrade ...
120 In several states of India, where dryland agriculture is being practiced, 73–95 % of fields were found deficient in S, 62–94 ...
121 release fertilizers, and site-specific nutrient management options may also help reduce the nutrient losses in the dryland c ...
122 The timing of N application in dryland soils is very important. It is the most beneficial when applied as basal dose; noneth ...
123 Foliar application of N is also an option in dryland soils because the farmers apply fertilizer when rain occurs which are o ...
124 point-placed calcium ammonium nitrate. The split N application enhanced the N use efficiency (Uyovbisere and Lombin 1991 ). ...
125 3.3 Nutrient Application on the Basis of Soil Analysis For estimating the deficiency and fulfill the crop nutrient needs in ...
126 Fertilizer application together with other improved crop management practices may improve the yield of dryland crops. Implem ...
127 3.4.1 Diversified Crop Rotations The losses of N in dryland soils through leaching, denitrification and volatilization can b ...
128 N but also enhance the availability of P thus enhancing the yield of dryland crops (Snapp and Silim 2002 ). The net profit f ...
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