Carbon Sink Capacity and Agronomic Productivity of Soils of Semiarid Regions of India - Principles of Sustainable Soil Management in Agroecosystems - page 452

FIGURE 16.14 Location of seven long-term experiments representing predominant rain-
fed production systems in India. (From Srinivasarao, Ch. et al., Comm Soil Sci Plant Anal ,
40(15), 2338-2356, 2009.)
16.13.1 M ean y ield and S UStainaBle y ield i ndex i inflUenced By d iffeRent
n UtRient M anageMent t ReatMentS in d iveRSe c Ropping S ySteMS
Soil fertility management treatments produced significantly higher mean yield than
control ( Table 16.14 ). Higher yields were obtained by using INM involving organic
manure used in combination with chemical fertilizers. For example, a higher mean
pod yield of groundnut (Mg ha -1 ) was obtained in 50% RDF + 4 Mg ha -1 FYM (1.03),
followed by 50% RDF + 4 Mg ha -1 groundnut shells (GNS) (1.02), 100% RDF (0.98),
and the least in the control (0.78) (Srinivasarao et al. 2012a).
Higher mean yield (Mg ha -1 ) of pods (1.34) of groundnut was obtained with
the application of FYM followed by FYM + 50% NPK (1.22), FYM + 100% NPK
(1.10), recommended NPK (0.72), and the least in control (0.40) over the seven crop-
ping seasons. In contrast, higher grain yield (Mg ha -1 ) of finger millet was obtained
through the application of FYM + 100% NPK (3.96) followed by FYM + 50% NPK
(3.77), FYM (3.25), recommended NPK (2.58), and the least in the control (0.82)