scholarly journals The relationship between the soil water storage and water-use efficiency of seven energy crops

2017 ◽  
Vol 55 (2) ◽  
pp. 210-218 ◽  
Author(s):  
S. Podlaski ◽  
S. Pietkiewicz ◽  
D. Choluj ◽  
T. Horaczek ◽  
G. Wisniewski ◽  
...  
Keyword(s):  
Water Use Efficiency ◽  
Soil Water ◽  
Water Use ◽  
Water Storage ◽  
Energy Crops ◽  
Soil Water Storage ◽  
Use Efficiency ◽  
The Relationship

scholarly journals Wheat straw mulching with fertilizer nitrogen: An approach for improving soil water storage and maize crop productivity

2018 ◽  
Vol 64 (No. 7) ◽  
pp. 330-337 ◽  
Author(s):  
Akhtar Kashif ◽  
Wang Weiyu ◽  
Khan Ahmad ◽  
Ren Guangxin ◽  
Afridi Muhammad Zahir ◽  
...  
Keyword(s):  
Water Use Efficiency ◽  
Wheat Straw ◽  
Soil Water ◽  
Water Use ◽  
Water Storage ◽  
Soil Water Storage ◽  
Fertilizer Nitrogen ◽  
Straw Mulching ◽  
Use Efficiency ◽  
N Treatment

Field studies using wheat straw mulching effects on soil water storage and maize development were conducted in China. The studies contained four treatments during three years (2014–2016): CK (no straw and no nitrogen); N (no straw mulching with 172 kg N/ha); HS + N (half straw mulching at the rate of 2500 kg/ha with 172 kg N/ha), and FS + N (full straw mulching at the rate of 5000 kg/ha with 172 kg N/ha). The FS + N treatment significantly increased soil water storage in a drought period during crop growth stages and promoted plant growth along with increased evapotranspiration. The FS + N treatment increased the soil water storage (26.5, 19.9 and 11.1 mm), grain yield (28.7, 6.93 and 2.4%), and water use efficiency (26.6, 6.64 and 2.40%) compared to CK, N and HS + N, respectively. In conclusion, compared to N, HS + N or FS + N increased the biomass (11 and 19%) and water use efficiency (4 and 5%), respectively, and are considered beneficial in Guanzhong, China. Mulching levels were superior to N and compensated the wheat nitrogen requirements. Thus, further studies with minimum fertilizer nitrogen for an environmentally friendly and effective approach are recommended in semiarid regions of China.

A meta-analysis on cover crop impact on soil water storage, succeeding crop yield, and water-use efficiency

2021 ◽  
Vol 256 ◽  
pp. 107085
Author(s):  
Jun Wang ◽  
Shaohong Zhang ◽  
Upendra M. Sainju ◽  
Rajan Ghimire ◽  
Fazhu Zhao
Keyword(s):  
Water Use Efficiency ◽  
Soil Water ◽  
Water Use ◽  
Crop Yield ◽  
Cover Crop ◽  
Meta Analysis ◽  
Water Storage ◽  
Soil Water Storage ◽  
Use Efficiency

The influence of rotational tillage on soil water storage, water use efficiency and maize yield in semi-arid areas under varied rainfall conditions

2018 ◽  
Vol 203 ◽  
pp. 376-384 ◽  
Author(s):  
Shulan Wang ◽  
Hao Wang ◽  
Yuanhong Zhang ◽  
Rui Wang ◽  
Yujiao Zhang ◽  
...  
Keyword(s):  
Water Use Efficiency ◽  
Soil Water ◽  
Water Use ◽  
Water Storage ◽  
Maize Yield ◽  
Soil Water Storage ◽  
Arid Areas ◽  
Use Efficiency ◽  
Semi Arid

SOIL WATER CONSERVATION, GROWTH, YIELD AND WATER USE EFFICIENCY OF SORGHUM AS AFFECTED BY LAND CONFIGURATION AND WOOD-SHAVINGS MULCH IN SEMI-ARID NORTHEAST NIGERIA

2006 ◽  
Vol 42 (2) ◽  
pp. 199-216 ◽  
Author(s):  
A. M. CHIROMA ◽  
O. A. FOLORUNSO ◽  
A. B. ALHASSAN
Keyword(s):  
Water Use Efficiency ◽  
Soil Water ◽  
Water Use ◽  
Water Conservation ◽  
Water Storage ◽  
Soil Water Storage ◽  
Wood Shavings ◽  
Use Efficiency ◽  
Semi Arid ◽  
Northeast Nigeria

Water is perhaps the most important single factor that limits crop production in the semi-arid northeast of Nigeria. A four-year field experiment was therefore initiated in 1999 to evaluate the influence of land configuration practices with or without wood-shavings mulch on water conservation, yield and water use efficiency (WUE) of sorghum. The experimental treatments consisted of flat bed (FB), open ridging (OR), tied ridging (TR), FB + mulch (FBM), OR + mulch (ORM), and TR + mulch (TRM). Ridge heights were 15 to 20 cm and furrows were left open (for OR and ORM) or tied (for TR and TRM). Wood-shavings mulch was used at the rate of 5 t ha−1 in 1999, but this was increased to 10 t ha−1 in subsequent years to ensure adequate soil coverage. Differences in soil water storage at various sampling dates were significant only in some cases in each year, but trends were towards greater soil water storage in the mulched treatments than in the non-mulched treatments, irrespective of tillage method. Growth parameters (plant height and leaf area index) indicated significant differences between treatments on only some measurement dates in each year. Sorghum water use varied significantly between years and treatments. Seasonal water use was greater with FBM, ORM and TRM than with the FB treatment in all cropping seasons. Averaged over the four-year period, mean increases in grain yield relative to the FB treatment were 16 % for OR, 25 % for TR, 77 % for FBM, 50 % for ORM and 57 % for TRM. Pooled across the experimental years, the WUE (ET) of FB, OR, TR, FBM, ORM and TRM were 1.95, 2.12, 2.13, 2.74, 2.36 and 2.48 kg ha−1 mm−1 respectively. The corresponding WUE(R) values for these treatments were 1.26, 1.46, 1.56, 2.22, 1.88 and 1.97 kg ha−1 mm−1 respectively. It is concluded that combining the practice of flat bed cultivation with mulching may eliminate the need for ridging in increasing the productivity of sorghum grain in semi-arid northeast Nigeria.

scholarly journals Soil water consumption, water use efficiency and winter wheat production in response to nitrogen fertilizer and tillage

PeerJ ◽  
2020 ◽  
Vol 8 ◽  
pp. e8892
Author(s):  
Shahbaz Khan ◽  
Sumera Anwar ◽  
Yu Shaobo ◽  
Zhiqiang Gao ◽  
Min Sun ◽  
...  
Keyword(s):  
Winter Wheat ◽  
Grain Yield ◽  
Water Use Efficiency ◽  
Soil Water ◽  
Water Use ◽  
Water Consumption ◽  
Water Storage ◽  
Soil Water Storage ◽  
Use Efficiency ◽  
Soil Water Consumption

Sustainability of winter wheat yield under dryland conditions depends on improving soil water stored during fallow and its efficient use. A 3-year field experiment was conducted in Loess Plateau to access the effect of tillage and N (nitrogen) rates on soil water, N distribution and water- and nitrogen-use efficiency of winter wheat. Deep tillage (DT, 25–30 cm depth) and no-tillage (NT) were operated during fallow season, whereas four N rates (0, 90, 150 and 210 kg ha−1) were applied before sowing. Rates of N and variable rainfall during summer fallow period led to the difference of soil water storage. Soil water storage at anthesis and maturity was decreased with increasing N rate especially in the year with high precipitation (2014–2015). DT has increased the soil water storage at sowing, N content, numbers of spike, grain number, 1,000 grain weight, grain yield, and water and N use efficiency as compared to NT. Grain yield was significantly and positively related to soil water consumption at sowing to anthesis and anthesis to maturity, total plant N, and water-use efficiency. Our study implies that optimum N rate and deep tillage during the fallow season could improve dryland wheat production by balancing the water consumption and biomass production.

Relationships between carbon isotope discrimination, water use efficiency and transpiration efficiency for dryland wheat

1993 ◽  
Vol 44 (8) ◽  
pp. 1693 ◽  
Author(s):  
AG Condon ◽  
RA Richards ◽  
GD Farquhar
Keyword(s):  
Water Use Efficiency ◽  
Soil Water ◽  
Water Use ◽  
Negative Correlation ◽  
Seasonal Changes ◽  
Dry Matter ◽  
Carbon Isotope Discrimination ◽  
Transpiration Efficiency ◽  
Use Efficiency ◽  
The Relationship

Carbon isotope discrimination (-) has been shown to be negatively correlated with water use efficiency for wheat cultivars grown in the glasshouse. In the field this negative correlation has been confirmed for peanut but it has yet to be confirmed for wheat. Indeed, several field studies on wheat have shown positive (rather than negative) relationships between dry matter production and -. The aim of this study was to determine the relationship between - and water use efficiency for wheat grown in a dryland environment characterized by winterlspring-dominant rainfall and terminal drought. Eight genotypes chosen to give a range in - of c. 2.0x10-3 were grown on a red earth at Moombooldool in the Riverina region of New South Wales. Water use and above-ground dry matter (DM) were measured over the course of the season. Water use was partitioned into transpiration and soil evaporation and values of crop water use efficiency (WET) and transpiration efficiency ( WT) calculated. To account for the effect on WT of seasonal changes in the vapour pressure deficit of the air (D), crop coefficients (k) were derived by multiplying WT by the transpiration-weighted average daytime value of D for each genotype. During the preanthesis period, when there was little limitation of soil water supply on growth, there was a positive relationship between DM and -, as observed previously. The relationship between WET and - also had a positive (though non-significant) trend, but the relationship between k and - was negative, i.e. once the effects of variation in the ratio T/ET and seasonal changes in D were accounted for, the negative correlation between water use efficiency and - re-emerged. This apparent conflict between WET and k arose because genotypes with high - values developed their leaf area faster, with two important consequences. First, high - genotypes transpired more of their water supply during the winter when D was low and the exchange of water for CO2 more efficient. Second, transpiration made up a greater proportion of total water use by high - genotypes. The relationship between water use efficiency and - was further complicated as the crops depleted the soil water store after anthesis. During this period DM production tended to be greater in low - genotypes that had conserved soil water in the preanthesis period. However, DM production also remained high for two high - genotypes. The cause of this variation in post-anthesis growth among high - genotypes was not established.

Effects of soil water storage efficiency on winter wheat water use efficiency in different precipitation areas during the fallow period in the Loess Plateau, western China

2017 ◽  
Vol 37 (17) ◽  
Author(s):  
贾建英 JIA Jianying ◽  
赵俊芳 ZHAO Junfang ◽  
万信 WAN Xin ◽  
韩兰英 HAN Lanying ◽  
王小巍 WANG Xiaowei ◽  
...  
Keyword(s):  
Winter Wheat ◽  
Water Use Efficiency ◽  
Water Use ◽  
Water Storage ◽  
Western China ◽  
Soil Water Storage ◽  
Storage Efficiency ◽  
The Loess Plateau ◽  
Fallow Period ◽  
Use Efficiency
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