scholarly journals Tillage and straw mulching impacts on grain yield and water use efficiency of spring maize in Northern Huang–Huai–Hai Valley

2015 ◽  
Vol 3 (5) ◽  
pp. 445-450 ◽  
Author(s):  
Zhiqiang Tao ◽  
Congfeng Li ◽  
Jingjing Li ◽  
Zaisong Ding ◽  
Jie Xu ◽  
...  
Crop Science ◽  
2019 ◽  
Vol 59 (6) ◽  
pp. 2806-2819 ◽  
Author(s):  
Baoyuan Zhou ◽  
Di Ma ◽  
Xuefang Sun ◽  
Zaisong Ding ◽  
Congfeng Li ◽  
...  

Author(s):  
Hari Ram ◽  
Guriqbal Singh ◽  
Navneet Aggarwal

The field experiment was conducted during summer season of 2008 on loamy sand soil. The experiment was comprised of eighteen treatment combinations with three irrigation treatments (two, three and four irrigations), two weed control methods (pendimethalin 0.75 kg/ha as pre- emergence and unweeded) and three mulching treatments (no mulching, mulching at sowing and straw mulching at 25 days after sowing). Three irrigations recorded significantly higher grain yield (1430 kg/ha) than two irrigations (1138 kg/ha) but statistically at par with four irrigations (1465 kg/ha). Water use efficiency was also higher in three irrigations. Pendimethalin @ 0.75 kg/ha was found to be effective in controlling weeds and increasing the grain yield as well as water use efficiency. Mulching applied at 25 days after sowing recorded the higher grain yield (1430 kg/ha) than no mulch (1289 kg/ha) and mulching at sowing (1364 kg/ha).


2013 ◽  
Vol 389 ◽  
pp. 73-77
Author(s):  
Heng Jia Zhang ◽  
Jun Hui Li

An experiment was carried out to optimize limited irrigation (LI) schedules for spring maize in a desert oasis region. The grain yield, water use efficiency (WUE), irrigation water use efficiency (IWUE), and integrated evaluation index for soil nutrients (IEISN) in 0~40 cm soil depth of maize field subject to LI were selected as the synthetical factors in evaluating and optimizing the LI schedules. The unifactor matrix and weighing coefficient matrixes of evaluating factors were formed for fuzzy judgement and the synthetical evaluation index (SEI) determination. Compared to the minimum in MI4, the SEI for spring maize was respectively improved by 46.5%, 20.9%, 38.9%, 27.8%, and 23.8% in MI1, MI2, MI3, MI5, and CK. Therefore, the MI1 irrigation regime was recommended as the optimized LI schedule for spring maize in the desert oasis region due to its maximum SEI caused by the least water application, maximum grain yield, WUE, and IWUE, and 95.2% of the maximum IEISN.


2017 ◽  
Vol 43 (6) ◽  
pp. 899 ◽  
Author(s):  
Ming HUANG ◽  
Zhao-Hui WANG ◽  
Lai-Chao LUO ◽  
Sen WANG ◽  
Ming BAO ◽  
...  

Agriculture ◽  
2021 ◽  
Vol 11 (4) ◽  
pp. 313
Author(s):  
Guoqiang Zhang ◽  
Bo Ming ◽  
Dongping Shen ◽  
Ruizhi Xie ◽  
Peng Hou ◽  
...  

Achieving optimal balance between maize yield and water use efficiency is an important challenge for irrigation maize production in arid areas. In this study, we conducted an experiment in Xinjiang China in 2016 and 2017 to quantify the response of maize yield and water use to plant density and irrigation schedules. The treatments included four irrigation levels: 360 (W1), 480 (W2), 600 (W3), and 720 mm (W4), and five plant densities: 7.5 (D1), 9.0 (D2), 10.5 (D3), 12.0 (D4), and 13.5 plants m−2 (D5). The results showed that increasing the plant density and the irrigation level could both significantly increase the leaf area index (LAI). However, LAI expansion significantly increased evapotranspiration (ETa) under irrigation. The combination of irrigation level 600 mm (W3) and plant density 12.0 plants m−2 (D4) produced the highest maize yield (21.0–21.2 t ha−1), ETa (784.1–797.8 mm), and water use efficiency (WUE) (2.64–2.70 kg m−3), with an LAI of 8.5–8.7 at the silking stage. The relationship between LAI and grain yield and evapotranspiration were quantified, and, based on this, the relationship between water use and maize productivity was analyzed. Moreover, the optimal LAI was established to determine the reasonable irrigation level and coordinate the relationship between the increase in grain yield and the decrease in water use efficiency.


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