scholarly journals Effects of water-saving pruning on the growth and water consumption of jujube (Ziziphus jujuba Mill.) in a loess hilly region with deep soil desiccation

2021 ◽  
Author(s):  
Jianpeng Ma ◽  
Xing Wang ◽  
Xining Zhao ◽  
Wenfei Zhang ◽  
Youke Wang
Keyword(s):  
Water Consumption ◽  
Normal Growth ◽  
Apple Orchard ◽  
Water Saving ◽  
Deep Soil ◽  
Soil Desiccation ◽  
Hilly Region ◽  
Ziziphus Jujuba ◽  
Use Efficiency ◽  
Loess Hilly Region

Abstract In order to study whether jujube trees can grow normally under rain-fed conditions in loess hilly areas, we planted jujube trees (Ziziphus jujuba Mill.) 4 years after felling a 23-year-old apple orchard. The growth process of the jujube trees and the variation in soil water content (SWC) were monitored for three consecutive years following planting in order to study the effects of the water-saving pruning (WSP) technique. Results showed that: (1) The soil at a depth of 0–1,000 cm had been desiccated when the area was an apple orchard. (2) Under rain-fed condition, the jujube trees with WSP technique were always able to maintain normal growth while the jujube trees with conventional pruning method had a normal growth stage of only 4 years. And the water use efficiency of the jujube trees with WSP technique was much higher than that of the jujube trees with conventional pruning. We recommend WSP in jujube orchard management, because the jujube trees with WSP could maintain normal growth in deep dried soils of the loess hilly region, as WSP can reduce the water consumption of the jujube trees and may has positive effect on soil moisture restoration.

Water Changing Trends and Water Quota Management in China’s Public Services

2012 ◽  
Vol 212-213 ◽  
pp. 605-608
Author(s):  
Qiang Liu ◽  
Hong Bo Liu ◽  
Jin Xiang Fu
Keyword(s):  
Water Consumption ◽  
Public Service ◽  
Urban Areas ◽  
Water Saving ◽  
Total Water Consumption ◽  
Rapid Economic Growth ◽  
Service Water ◽  
Use Efficiency ◽  
Quota Management ◽  
Management Operation

China has the largest population in the world, and the available water resources per capita are very limited. The rapid economic growth and urbanization has caused increased water demand in China’s urban areas. Urban water quota management has become a core strategy for establishing a water-saving society. In 2001-2008, the trend of total water consumption has changed obvious in China. And the water consumption of public service has the same trend. Whit the development of the third industry and the increase of use efficiency, in the future the trend of public service water consumption will maintain stable situation. It still need further improve the water management to control the water increasing. The comprehensive water quota as the standard can estimate the water-saving level of the industries. And it can also determine whether the industry meet the water-saving requirements. Compared with the part quota, it simplifies the process of collecting the water data and improving the quota management operation, which avoid the false data. Researching the comprehensive water quota is a critical part of water quota management.

scholarly journals Deep Soil C, N, and P Stocks and Stoichiometry in Response to Land Use Patterns in the Loess Hilly Region of China

PLoS ONE ◽  
2016 ◽  
Vol 11 (7) ◽  
pp. e0159075 ◽  
Author(s):  
Changzhen Li ◽  
Luhong Zhao ◽  
Pingsheng Sun ◽  
Fazhu Zhao ◽  
Di Kang ◽  
...  
Keyword(s):  
Land Use ◽  
Land Use Patterns ◽  
Deep Soil ◽  
Soil C ◽  
Use Patterns ◽  
Hilly Region ◽  
Loess Hilly Region

Response of soil moisture and soil organic carbon to vegetation restoration in deep soil profiles in Loess Hilly Region

2019 ◽  
Vol 39 (18) ◽  
Author(s):  
冯棋 FENG Qi ◽  
杨磊 YANG Lei ◽  
王晶 WANG Jing ◽  
石学圆 SHI Xueyuan ◽  
汪亚峰 WANG Yafeng
Keyword(s):  
Soil Moisture ◽  
Organic Carbon ◽  
Soil Organic Carbon ◽  
Vegetation Restoration ◽  
Soil Profiles ◽  
Deep Soil ◽  
Hilly Region ◽  
Loess Hilly Region

Water Consumption Characteristics and Water Use Efficiency of Flue-Cured Tobacco under Different Conditions of Irrigation

2014 ◽  
Vol 651-653 ◽  
pp. 1388-1393
Author(s):  
Xiao Hou Shao ◽  
Qian Wang ◽  
You Bo Yuan ◽  
Fu Zhang Ding
Keyword(s):  
Nonlinear Equation ◽  
Water Use Efficiency ◽  
Water Use ◽  
Water Consumption ◽  
Irrigation Water ◽  
Measured Data ◽  
Water Saving ◽  
High Yield ◽  
Use Efficiency ◽  
High Production

The experiments were carried out in lysimeters to study water consumption characteristics and water use efficiency of flue-cured tobacco under different conditions of irrigation. By comparing the T and the invalid E of the tobacco K326, it is concluded that in the period of root extending most of the irrigation water is used for the E, in the early vigorous period, plants with all of the treatments show a T higher than the E, in the late vigorous period and the maturity, this ratio remains at 50%. Based on measured data, it was shown that the amount of irrigation water in the vigorous period had the most important influence on the yield of the tobacco.The nonlinear equation of the yield and WUE is Y=-2531.3X2+6113.8X-624.49,R2=0.7324; the equation of the yield and ET is Y=4E-0.7X3-0.0032X2+8.8458X-4806.7, suggesting that the WUE is not maximized at the highest yield of flue-cured tobacco. In the high-yield range, reducing irrigation appropriately could reach the harmonization of high production and water saving.

What factors affect the water saving behaviors of farmers in the Loess Hilly Region of China?

2021 ◽  
Vol 292 ◽  
pp. 112683
Author(s):  
Huizhen Su ◽  
Xueyan Zhao ◽  
Weijun Wang ◽  
Lu Jiang ◽  
Bing Xue
Keyword(s):  
Water Saving ◽  
Hilly Region ◽  
Loess Hilly Region

scholarly journals Evaluation of water-saving rice status based on morphophysiological characteristics and water use efficiency

2019 ◽  
Vol 20 (10) ◽  
Author(s):  
Didi Darmadi ◽  
AHMAD JUNAEDI ◽  
DIDY SOPANDIE ◽  
SUPIJATNO ◽  
ISKANDAR LUBIS ◽  
...  
Keyword(s):  
Water Use Efficiency ◽  
Water Use ◽  
Water Consumption ◽  
Upland Rice ◽  
Morphological Characteristics ◽  
Water Saving ◽  
Production Performance ◽  
Physiological Characteristics ◽  
Water Shortages ◽  
Use Efficiency

Abstract. Darmadi D, Junaedi A, Sopandie D, Supijatno, Lubis I, Homma K, Hidayati N. 2019. Evaluation of water-saving rice status based on morphophysiological characteristics and water use efficiency. Biodiversitas 20: 2815-2823. One strategy to anticipate water shortages in rice production is to use varieties that are efficient in using water and produce high yields. The aim of this study was to measure water consumption, water use efficiency and production performance of several types of rice. The research was conducted during the rainy season from January to April 2018 and the dry season from August to November 2018 in a greenhouse. This study used a completely randomized design. The genetic materials used were 8 varieties consisting of lowland rice (sawah), upland rice (gogo), and land race. The variables analyzed included morphological and physiological characteristics. The results showed that differences in rice types indicated diverse responses to morphological and physiological characteristics on water consumption and water use efficiency (WUE). Mentik Wangi variety had the highest water consumption of 24.1 liters. The IPB 9 G and Jatiluhur varieties achieved the highest water use efficiency of 2.4 and 2.3, respectively. Based on the heatmap analysis, both varieties had similarities in the morphological characteristics of long roots, high root weights, long and broad leaves, and high total grain counts per panicle. The similarity of physiological characteristics was high rates of photosynthesis and low transpiration. Varieties that achieve the highest water use efficiency have the potential to be developed into varieties that are tolerant to limited water conditions.

scholarly journals Mulching Measures Improve Soil Moisture in Rain-Fed Jujube (Ziziphus jujuba Mill.) Orchards in the Loess Hilly Region of China

2021 ◽  
Vol 13 (2) ◽  
pp. 610
Author(s):  
Min Tang ◽  
Hongchen Li ◽  
Chao Zhang ◽  
Xining Zhao ◽  
Xiaodong Gao ◽  
...  
Keyword(s):  
Soil Moisture ◽  
Water Consumption ◽  
Loss Rate ◽  
Water Storage ◽  
Growth Period ◽  
Moisture Loss ◽  
Soil Water Storage ◽  
Storage Effect ◽  
Hilly Region ◽  
Ziziphus Jujuba

Water shortage is the main bottleneck restricting the sustainable development of rain-fed jujube (Ziziphus jujuba Mill.) orchards in the loess hilly region of China. Given the effect of mulching on soil moisture conservation, straw mulching (SM) and jujube branch mulching (BM) were applied to a rain-fed jujube orchard in this study. Soil moisture dynamics, soil water storage, water consumption, and soil moisture attenuation after typical rainfall under SM, BM, and clean tillage (CT) were studied. The results showed the following: (1) The 0–60 cm soil layer was the seasonal fluctuation layer of soil moisture under SM, BM, and CT in both the normal precipitation year and the dry year studied. The moisture contents of the 0–60, 60–160, and 160–280 cm soil layers under SM and BM were higher than that under CT in the three experimental years studied, and SM showed the most obvious effect of increasing soil moisture. (2) SM and BM showed a significant soil water storage effect in all of the jujube growth stages, and SM had a better water storage effect than BM. (3) SM reduced the amount of water consumption by 94.3, 60.8, and 121.3 mm compared to CT in the whole jujube growth period in 2014, 2015, and 2016, respectively. The amount of water consumption of BM decreased by 34.8 and 31.0 mm compared to that of CT in the whole growth period in 2014 and 2015, respectively. (4) CT had the maximum soil moisture loss rate under continuous drought after rainfall. The soil moisture loss rate of CT was above 37.3% on the eleventh day after typical rainfall in 2014, 2015, and 2016. With the extension of drought, the soil moisture loss rate under SM increased slowly. This study suggests that SM is the best mulching measure for rain-fed jujube orchards, and pruned jujube branches can also be used for in situ mulching to obtain a certain moisture conservation effect.

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