By Food and Agriculture Organization of the United Nations
The good problem for the long run may be the activity of accelerating foodstuff creation with much less water, fairly in international locations with restricted water and land assets. within the context of enhancing water productiveness, there's a transforming into curiosity in "deficit irrigation" - an irrigation perform wherein water offer is diminished under greatest degrees and delicate pressure is permitted with minimum results on yield. This book offers quite a number reports, conducted for numerous vegetation and less than assorted ecological stipulations, exhibiting a number of the concepts and practices of deficit irrigation and the affects of lowered irrigation water offer on crop yield. The synthesis indicates that deficit irrigation can lead to massive water rate reductions with little influence at the caliber and volume of the harvested yield.
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Extra info for Deficit Irrigation Practices (Water Reports,)
Texas A&M University, College Station, Texas, United States of America 30 Deficit subsurface drip irrigation of cotton lack of precipitation makes dryland cotton production risky. Farmers usually adapt a skip-row configuration that allows the cotton plants to mine water from the unplanted rows. The small groundwater resources in the region, although rechargeable, supply 250-500 mm of irrigation water during the 6½-month pumping season; nearly half of this amount is pre-plant irrigation that is stored in the soil.
E. e. e. e. e. 49 and pod yield (Table 6). Reductions in biomass and pod yield were greater with T 202 than with T 201. The significant reduction in HI with T 201 suggests that the reduction in economic yield due to prolonged moisture deficit stress was more than the reduction in biological yield. Stress during the vegetative phase was beneficial in terms of economic yield. The available soil moisture at 0-15 cm soil depth was consistently higher in T 200 than T 201 (Figure 4). These results tend to support those obtained in Experiment 1, indicating that mild stress during vegetative growth 46 Response of groundnut to deficit irrigation during vegetative growth may be beneficial to groundnut biomass accumulation and pod yield; the trend might have been clearer in Experiment 2 if the control plants had not been exposed to stress.
FAO Irrigation and Drainage Paper No. 24. Rome. , Hera, C. R. ). 1999. Crop yield response to deficit irrigation. Dordrecht, The Netherlands, Kluwer Academic Publishers. , Mohammad, W. & Nawaz, H. 1999. Field response of potato subjected to water stress at different growth stages. In: C. Kirda, P. Moutonnet, C. R Nielsen, eds. Crop yield response to deficit irrigation. p. 213-223. Dordrecht, The Netherlands, Kluwer Academic Publishers. 38 m). The former two row-width treatments contained three planting configurations (a full pattern and two skip patterns).