Abstract
Chickpeas, cowpeas, and dry beans were grown under different soil moisture levels with split plot treatments of no fertilizer, N, P, and NP. Irrigations were given when 1/3, 2/3, and approximately all of the available water in the root zone was depleted. These moisture stresses were applied during different stages of plant growth. High moisture stress reduced grain yields 18 to 26% below the maximum values. This yield depression was most pronounced when the moisture stress occurred during bloom and early maturity. Yields for the medium and high moisture levels were statistically equal. Response to phosphorus fertilization varied with the field sites. Where phosphorus resulted in sizeable yield increases, high soil moisture increased the response to phosphorus and vice versa. The effect of nitrogen fertilization was not significant.
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Claims 6
Claim · model-written summary
High moisture stress reduced grain yield by 18 to 26%.
Verbatim
e0“High moisture stress reduced grain yields 18 to 26% below the maximum values.”
e6“Chickpeas, cowpeas, and dry beans”
Claim · model-written summary
Yield depression from moisture stress was greatest at bloom and early maturity.
Verbatim
e1“This yield depression was most pronounced when the moisture stress occurred during bloom and early maturity.”
e6“Chickpeas, cowpeas, and dry beans”
Claim · model-written summary
Yields under medium and high moisture were statistically equal.
Verbatim
e2“Yields for the medium and high moisture levels were statistically equal.”
e6“Chickpeas, cowpeas, and dry beans”
Claim · model-written summary
Yield response to phosphorus fertilization varied across field sites.
- Taxon
- Chickpeas, cowpeas, and dry beanse6
- Treatment
- phosphorus fertilizatione3
- Outcome
- Responsee3
- Setting
- field sitese3
Not reportedDirection
Verbatim
e3“Response to phosphorus fertilization varied with the field sites.”
e6“Chickpeas, cowpeas, and dry beans”
Claim · model-written summary
High soil moisture increased the yield response to phosphorus where phosphorus increased yield.
- Taxon
- Chickpeas, cowpeas, and dry beanse6
- Treatment
- high soil moisturee4
- Outcome
- response to phosphoruse4
- Direction
- increasede4
- Qualifier
- Where phosphorus resulted in sizeable yield increasese4
Not reportedComparator
Verbatim
e4“Where phosphorus resulted in sizeable yield increases, high soil moisture increased the response to phosphorus and vice versa.”
e6“Chickpeas, cowpeas, and dry beans”
Claim · model-written summary
Nitrogen fertilization had no statistically significant effect.
Not reportedComparatorDirection
Verbatim
e5“The effect of nitrogen fertilization was not significant.”
e6“Chickpeas, cowpeas, and dry beans”
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