Abstract
Present study was carried out to evaluate the effects of irrigation regimes and zeolite on the yield and quality parameters of silage corn hybrids. Study was conducted at Seed and Plant Improvement Institute in Karaj, Iran during 2013. The experiment was arranged in a three-replicated split-spilt plot based on randomized complete blocks design (RCBD) including three irrigation regimes as main plots (irrigation after 70, 100 and 130 mm evaporation from standard class A evaporation pan), two levels of zeolite as sub plots (0, 10 ton/ha) and three hybrids of silage corn (KSC704, KSC705 and KSC720) as sub subplot. Results of this study indicated that increasing water stress from optimum irrigation (Ir70) to moderate (Ir100) and low irrigation (Ir130) caused 25 and 37% reduction in forage dry matter yield but no significant difference was reported in protein yield. Moreover, application of zeolite have significant effect on forage yield and also have significant effect on protein yield (P<0.01). Forage quality parameters including water soluble carbohydrates, crude protein, acid detergent fiber and neutral detergent fiber increased and dry matter digestibility reduced when there was limited irrigation imposition. Among the tested corn seed hybrids KSC704 hybrid produced the highest dry forage yield and in terms of protein yield, no significant difference was reported between KSC720. KSC705 hybrid had the lowest acid detergent fiber and neutral detergent fiber and the highest dry matter digestibility.
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Claims 12
Claim · model-written summary
Moderate irrigation stress reduced forage dry matter yield by 25% relative to optimum irrigation.
- Taxon
- corn
Zea mays subsp. mayst0 - Treatment
- moderate (Ir100)e0
- Outcome
- forage dry matter yielde0
- Direction
- reductione0
- Value
- 25e0
- Comparator
- optimum irrigation (Ir70)e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“increasing water stress from optimum irrigation (Ir70) to moderate (Ir100) and low irrigation (Ir130) caused 25 and 37% reduction in forage dry matter yield”
t0“silage corn hybrids”
Claim · model-written summary
Low irrigation reduced forage dry matter yield by 37% relative to optimum irrigation.
- Taxon
- cornZea mays subsp. mayst0
- Treatment
- low irrigation (Ir130)e0
- Outcome
- forage dry matter yielde0
- Direction
- reductione0
- Value
- 37%e0
- Comparator
- optimum irrigation (Ir70)e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“increasing water stress from optimum irrigation (Ir70) to moderate (Ir100) and low irrigation (Ir130) caused 25 and 37% reduction in forage dry matter yield”
t0“silage corn hybrids”
Claim · model-written summary
Protein yield did not differ significantly across irrigation stress levels.
- Taxon
- cornZea mays subsp. mayst0
- Treatment
- low irrigation (Ir130)e1
- Outcome
- protein yielde0
- Direction
- no significant differencee0
- Comparator
- optimum irrigation (Ir70)e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“no significant difference was reported in protein yield”
e1“increasing water stress from optimum irrigation (Ir70) to moderate (Ir100) and low irrigation (Ir130)”
t0“silage corn hybrids”
Claim · model-written summary
Zeolite application significantly affected forage yield.
- Taxon
- cornZea mays subsp. mayst0
- Treatment
- zeolitee0
- Outcome
- forage yielde0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“application of zeolite have significant effect on forage yield”
t0“silage corn hybrids”
Claim · model-written summary
Zeolite application significantly affected protein yield.
- Taxon
- cornZea mays subsp. mayst0
- Treatment
- zeolitee0
- Outcome
- protein yielde0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“application of zeolite have significant effect on forage yield and also have significant effect on protein yield (P<0.01)”
t0“silage corn hybrids”
Claim · model-written summary
Limited irrigation increased water soluble carbohydrates, crude protein and acid detergent fiber.
- Taxon
- cornZea mays subsp. mayst0
- Treatment
- limited irrigatione0
- Outcome
- water soluble carbohydrates, crude protein, acid detergent fibere0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Forage quality parameters including water soluble carbohydrates, crude protein, acid detergent fiber and neutral detergent fiber increased and dry matter digestibility reduced when there was limited irrigation imposition”
t0“silage corn hybrids”
Claim · model-written summary
Limited irrigation increased neutral detergent fiber.
- Taxon
- cornZea mays subsp. mayst0
- Treatment
- limited irrigatione0
- Outcome
- neutral detergent fibere0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Forage quality parameters including water soluble carbohydrates, crude protein, acid detergent fiber and neutral detergent fiber increased and dry matter digestibility reduced when there was limited irrigation imposition”
t0“silage corn hybrids”
Claim · model-written summary
Limited irrigation reduced dry matter digestibility.
- Taxon
- cornZea mays subsp. mayst0
- Treatment
- limited irrigatione0
- Outcome
- dry matter digestibilitye0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“dry matter digestibility reduced when there was limited irrigation imposition”
t0“silage corn hybrids”
Claim · model-written summary
KSC704 produced the highest dry forage yield.
- Taxon
- cornZea mays subsp. mayst0
- Material
- KSC704e0
- Outcome
- dry forage yielde0
- Direction
- higheste0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“KSC704 hybrid produced the highest dry forage yield”
t0“silage corn hybrids”
Claim · model-written summary
KSC704 and KSC720 did not differ significantly in protein yield.
- Taxon
- cornZea mays subsp. mayst0
- Material
- KSC704e0
- Outcome
- protein yielde0
- Direction
- no significant differencee0
- Comparator
- KSC720e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“KSC704 hybrid produced the highest dry forage yield and in terms of protein yield, no significant difference was reported between KSC720”
t0“silage corn hybrids”
Claim · model-written summary
KSC705 had the lowest acid and neutral detergent fiber.
- Taxon
- cornZea mays subsp. mayst0
- Material
- KSC705e0
- Outcome
- acid detergent fiber and neutral detergent fibere0
- Direction
- loweste0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“KSC705 hybrid had the lowest acid detergent fiber and neutral detergent fiber”
t0“silage corn hybrids”
Claim · model-written summary
KSC705 had the highest dry matter digestibility.
- Taxon
- cornZea mays subsp. mayst0
- Material
- KSC705e0
- Outcome
- dry matter digestibilitye0
- Direction
- higheste0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“KSC705 hybrid had the lowest acid detergent fiber and neutral detergent fiber and the highest dry matter digestibility”
t0“silage corn hybrids”
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