Carbon Sink Capacity and Agronomic Productivity of Soils of Semiarid Regions of India - Principles of Sustainable Soil Management in Agroecosystems - page 431

Irrigated nirrigated

300

250

200

150

100

50

0

FIGURE 16.4 Statewise consumption of fertilizers under irrigated and rainfed conditions.
(From Venkateswarlu, B. et al., Natural Resource Management for Accelerating Agricultural
Productivity , Studium Press (India) Pvt. Ltd., New Delhi, India, 2012.)

90
80
70
60
50
40
30
20
10
0

N
P
K

FIGURE 16.5 Consumption of NPK in major rainfed crops in India. (From Venkateswarlu,
B. et al., Natural Resource Management for Accelerating Agricultural Productivity , Studium
Press (India) Pvt. Ltd., New Delhi, India, 2012.)

management can substantially enhance productivity and improve agronomic/
economic returns.

16.3.7 l ack of f ocUSed e xtenSion p RogRaM
Improved and short-duration varieties and matching production technologies are
available for rainfed cropping. However, the lack of a focused extension program
specially aimed at rainfed regions and adoption of improved technologies are among
the major constraints.