Deficit Irrigation for Wheat Cultivation Under Limited Water Supply Condition PDF Download. Download free ebook of Deficit Irrigation for Wheat Cultivation Under Limited Water Supply Condition in PDF format or read online by Hossain Ali 9781599426860 Published on 2008-11 by Universal-Publishers
Vertical and horizontal expansion of irrigated agriculture to feed the increasing population has contributed to excessive groundwater withdrawal and affected the availability of water in terms of both quality and quantity. To sustain agricultural growth, strategic measures should be adopted to reduce water consumption while minimizing adverse effect on yield. The effect of deficit irrigation on wheat yield was studied in three consecutive years (2002-03 to 2004-05) in field and pot. Ten irrigation treatments were imposed in a randomized complete block (RCB) design covering full deficit, no deficit at all, single deficit at different stages, and alternate deficits. Water deficit was created by withholding irrigation at different growth stages. The results indicate that deficit irrigation strategies affected all aspects of plant growth (leaf area index, chlorophyll content, root growth, nutrient uptake, plant height) adversely. Yield attributes were affected by deficit irrigation treatments although they are not statistically significant in all cases. Differences in grain and straw yield among the partial- and no-deficit treatments were small, and statistically insignificant in most cases. When compared within single-deficit treatments, the grain yield reduction was in the order to water deficit at phases: CRI\u003e maximum tillering \u003e booting - heading \u003eflowering- soft dough. The crop coefficient (kc) under different ET0 methods for early, crop development, middle, and late period ranged from 0.54 to 0.96, 0.95 to 1.36, 1.2 to 1.62, and 0.68 to 1.05, respectively. On average, yield response factor (ky) for early, maximum tillering, booting-heading, and flowering-soft dough stages was 0.27, 0.21, 0.25, and 0.17, respectively. The sensitivity index (?i, of Jensen model) for early, vegetative, booting-heading, and flowering-soft dough phases was 0.35, 0.22, 0.31, and 0.14, respectively. From the evaluation of yield, irrigation amount, irrigation water productivity, relative water savings, relative yield reduction, and maximum profit under limited water resource condition, it can be concluded that when limited quantities of water is available, preference should be given to irrigate first at CRI (if one irrigation is available), then at CRI and booting-heading (if two irrigations are available), and next at CRI, maximum tillering and booting-heading (if three irrigations are available) stages of growth.
This Book was ranked at 20 by Google Books for keyword Water Supply.
Book ID of Deficit Irrigation for Wheat Cultivation Under Limited Water Supply Condition's Books is Y95PPHUPb3UC, Book which was written by Hossain Ali have ETAG "5jgx3opLsU4"
Book which was published by Universal-Publishers since 2008-11 have ISBNs, ISBN 13 Code is 9781599426860 and ISBN 10 Code is 1599426862
Reading Mode in Text Status is true and Reading Mode in Image Status is true
Book which have "200 Pages" is Printed at BOOK under CategoryTechnology and Engineering
Book was written in en
eBook Version Availability Status at PDF is true and in ePub is true
Book Preview
Download Deficit Irrigation for Wheat Cultivation Under Limited Water Supply Condition PDF Free
Download Deficit Irrigation for Wheat Cultivation Under Limited Water Supply Condition Books Free
Download Deficit Irrigation for Wheat Cultivation Under Limited Water Supply Condition Free
Download Deficit Irrigation for Wheat Cultivation Under Limited Water Supply Condition PDF
Download Deficit Irrigation for Wheat Cultivation Under Limited Water Supply Condition Books
No comments:
Post a Comment