| Autor: |
Usman, Khalid, Ali, Nishter, Malik, Muhammad Waqas Imam, Hamza, Amir, Saad, Muhammad, Riaz, Muhammad, Ghulam, Said |
| Předmět: |
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| Zdroj: |
Archives of Agronomy & Soil Science; Nov 2021, Vol. 67 Issue 13, p1859-1874, 16p |
| Abstrakt: |
Cotton yield and quality are constantly deteriorating in water limited and poorly drained silty clay soils. Farmers practice deep plowing and irrigate at 2-week interval, which is costly, degrading soil, and reduce cotton yield. A field study was conducted to evaluate the impact of tillage, irrigation intervals, and K (potassium) levels on cotton yield and quality. The experiment comprised main plot [reduced tillage (RT) and conventional tillage (CT)], subplot [irrigation intervals (2, 3, and 4-week)], and sub-sub plot treatments [K levels (0, 50, 100, and 150 kg K ha−1)]. Experimental design was split-split-plot replicated thrice. RT with 4-week irrigation interval and K level can replace CT. RT with 4-week interval plus 150 kg K ha−1 produced 25.6% more returns than CT. Four-week interval with 150 kg K saved 50% water and showed higher lint yield than 2-week interval. Four-week interval increased lint yield by 41% and 15.7% over 2- and 3-week intervals, respectively. The highest K level improved lint quality and produced 50.9% higher lint yield than zero K level. Lint quality increased with deficit irrigation and higher K levels. Thus RT, infrequent irrigation, and appropriate K level is a sustainable approach for economic production of cotton. [ABSTRACT FROM AUTHOR] |
| Databáze: |
Complementary Index |
| Externí odkaz: |
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