Abstract
This experiment was conducted in Al-Anbar university – College of Science. during autum season 2004, to study the effects of water stress and organic matter on yield, Consumptive water use and water efficiency of sorghum plant. The experiment included the following treatment: 1- Soil water stress(soil moisture tension) with three percentages 25, 50 and 75% of water availability. 2- Organic matter from aquatic plant with levels 0.000 , 250 and 500 gm - vase. 3- Soil type: tow soils were used with different textures. Factorial experiment was used according to completely randomized design (C.R.D.) with three replicates for each treatment. Plastic containers were used (capacity of 8 kg) with dried. And filled with sieved soils. Seeds of sorghum were planted on July - 2nd - 2004. Irrigation was done according to volumetric method to protect soil moisture stresses of the water availability percentage 25, 50 and 75%. The study continued up to December - 15th - 2004. The usage of water consumption by sorghum was calculated according to quantities of water applied for whole the period of growth season. Yield was harvested on December - 30th - 2004. Measured, also yield of seeds, water consumption and water use efficiency. The result can be summarized as follows:- 1- The yield of sorghum seed was affected significantly by changing water stress and organic matter. The interference between water deficit 25% with 250 gm - vase organic matter gave a highest yield 30.6 gm - vase (4377 kg - hec) and 43.77 gm - vase (6189 kg - hec) for the two soils, Sandy loam and clay loam respectively. The treatment water deficit 75% and zero organic matter had lower yield. 2- Water stress and organic matter were affected significantly on water consumption for sorghum. Water consumption decreased with increasing in percentage of moisture deficit, and by adding organic matter. The lower value of water consumption was in a treatment of 75%, with the water deficit 250 gm organic matter, 60.46 and 51.44 L - vase for sandy loam soil and clay loam soil. 3- Increasing in water stress caused a decrease in water efficiency values. While addition of organic matter caused on increase in water efficiency. The highest values of water efficiency was achieved by treatment of 25% water deficit with the 250 gm organic matter. Water efficiency was 0.446 and 0.729 kg - m3 for sandy loam and clay loam soils respectively. The lowest values of water use efficiency were in treatment of 75% water deficit with out organic matter for the tow soils. 4- Clay loam soil was recognized as compared with the sandy loam soil by increase yield, and less water consumption highest water use efficiency.
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Claims 15
Claim · model-written summary
Water deficit of 25% with 250 gm organic matter gave highest sorghum seed yield in sandy loam.
- Treatment
- water deficit 25% with 250 gm - vase organic mattere0
- Outcome
- yielde0
- Direction
- higheste0
- Value
- 30.6 gm - vasee0
- Setting
- Sandy loame0
SorghumNot reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The interference between water deficit 25% with 250 gm - vase organic matter gave a highest yield 30.6 gm - vase (4377 kg - hec) and 43.77 gm - vase (6189 kg - hec) for the two soils, Sandy loam and clay loam respectively”
e1“yield of sorghum seed was affected significantly”
Claim · model-written summary
The same treatment gave highest seed yield in clay loam.
- Treatment
- water deficit 25% with 250 gm - vase organic mattere0
- Outcome
- yielde0
- Direction
- higheste0
- Value
- 43.77 gm - vasee0
- Setting
- clay loame0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The interference between water deficit 25% with 250 gm - vase organic matter gave a highest yield 30.6 gm - vase (4377 kg - hec) and 43.77 gm - vase (6189 kg - hec) for the two soils, Sandy loam and clay loam respectively”
e1“yield of sorghum seed was affected significantly”
Claim · model-written summary
Water deficit of 75% without organic matter gave lower sorghum yield.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The treatment water deficit 75% and zero organic matter had lower yield”
e1“yield of sorghum seed”
Claim · model-written summary
Water consumption decreased as moisture deficit increased.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Water consumption decreased with increasing in percentage of moisture deficit”
e1“water consumption for sorghum”
Claim · model-written summary
Adding organic matter decreased sorghum water consumption.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Water consumption decreased with increasing in percentage of moisture deficit, and by adding organic matter”
e1“water consumption for sorghum”
Claim · model-written summary
At 75% deficit with 250 gm organic matter, sandy loam had the lowest water consumption of 60.46 L per vase.
- Treatment
- 75%, with the water deficit 250 gm organic mattere0
- Outcome
- water consumptione0
- Direction
- lowere0
- Value
- 60.46e0
- Setting
- sandy loam soile0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The lower value of water consumption was in a treatment of 75%, with the water deficit 250 gm organic matter, 60.46 and 51.44 L - vase for sandy loam soil and clay loam soil”
e1“water consumption for sorghum”
Claim · model-written summary
At 75% deficit with 250 gm organic matter, clay loam had the lowest water consumption of 51.44 L per vase.
- Treatment
- 75%, with the water deficit 250 gm organic mattere0
- Outcome
- water consumptione0
- Direction
- lowere0
- Value
- 51.44 L - vasee0
- Setting
- clay loam soile0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The lower value of water consumption was in a treatment of 75%, with the water deficit 250 gm organic matter, 60.46 and 51.44 L - vase for sandy loam soil and clay loam soil”
e1“water consumption for sorghum”
Claim · model-written summary
Increasing water stress decreased water use efficiency.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Increasing in water stress caused a decrease in water efficiency values”
e1“water efficiency of sorghum plant”
Claim · model-written summary
Organic matter increased water use efficiency.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“addition of organic matter caused on increase in water efficiency”
e1“water efficiency of sorghum plant”
Claim · model-written summary
The 25% deficit and 250 gm organic matter treatment maximized water efficiency in sandy loam at 0.446 kg m-3.
- Treatment
- 25% water deficit with the 250 gm organic mattere0
- Outcome
- water efficiencye0
- Direction
- higheste0
- Value
- 0.446e0
- Setting
- sandy loame0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The highest values of water efficiency was achieved by treatment of 25% water deficit with the 250 gm organic matter. Water efficiency was 0.446 and 0.729 kg - m3 for sandy loam and clay loam soils respectively”
e1“water efficiency of sorghum plant”
Claim · model-written summary
The 25% deficit and 250 gm organic matter treatment maximized water efficiency in clay loam at 0.729 kg m-3.
- Treatment
- 25% water deficit with the 250 gm organic mattere0
- Outcome
- water efficiencye0
- Direction
- higheste0
- Value
- 0.729 kg - m3e0
- Setting
- clay loam soilse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The highest values of water efficiency was achieved by treatment of 25% water deficit with the 250 gm organic matter. Water efficiency was 0.446 and 0.729 kg - m3 for sandy loam and clay loam soils respectively”
e1“water efficiency of sorghum plant”
Claim · model-written summary
Water use efficiency was lowest at 75% deficit without organic matter.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The lowest values of water use efficiency were in treatment of 75% water deficit with out organic matter for the tow soils”
e1“water efficiency of sorghum plant”
Claim · model-written summary
Clay loam raised yield relative to sandy loam.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Clay loam soil was recognized as compared with the sandy loam soil by increase yield, and less water consumption highest water use efficiency”
e1“yield of sorghum seed”
Claim · model-written summary
Clay loam reduced water consumption relative to sandy loam.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Clay loam soil was recognized as compared with the sandy loam soil by increase yield, and less water consumption highest water use efficiency”
e1“water consumption for sorghum”
Claim · model-written summary
Clay loam had higher water use efficiency than sandy loam.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Clay loam soil was recognized as compared with the sandy loam soil by increase yield, and less water consumption highest water use efficiency”
e1“water efficiency of sorghum plant”
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