Abstract
The Middle Indo-Gangetic Plains is one of the important domains of chickpea production in which the crop is grown in diverse production systems. Since the crop is predominantly grown under rainfed conditions, it experiences a deficit in soil moisture condition especially at its terminal growth stages causing low productivity. This is more pertinent during rabi season although the crop is having unique adaptive mechanisms to moisture stress. To mitigate the effect of moisture stress with improved agronomy under rainfed situation, the present study was carried out at Indian Institute of Pulses Research, Kanpur during rabi seasons of 2008–10. Resource conservation practices with tillage and mulching were evaluated on the productivity and water use efficiency of popular chickpea genotypes. Results showed that the contribution of deeper layers (30–60 cm) in the soil profile increased with the depth of tillage as was evident from different mulching and tillage treatments. The highest soil moisture depletion as measured through seasonal evapo-transpiration (ET) was recorded under no mulch and zero tillage in both the surface (0–30 cm) and sub-surface (30–60 cm) depths during both the years of study. Tillage practices could not influence seed yield of chickpea during both the years of study. Cultural mulch however, produced higher seed yield (1876 kg/ha) during 2008–09 while none of the mulching practices could produce difference in seed yield during 2009–10 due to optimum rainfall and its fairly well distribution. Amongst chickpea genotypes, ‘JG 16’ produced the highest seed yield of 1858 kg/ha during 2009–10 while ‘KWR 108’ in 2008–09 (1961 kg/ha). Water use efficiency (WUE) was the highest in deep tillage and cultural mulch during 2008–09; while conventional tillage and no mulch recorded higher WUE in 2009–10.
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Claims 9
Claim · model-written summary
Deeper tillage increased the contribution of deeper soil layers.
- Treatment
- depth of tillagee0
- Outcome
- contribution of deeper layers (30–60 cm) in the soil profilee0
- Direction
- increasede0
Not reportedTaxonComparator
Verbatim
e0“the contribution of deeper layers (30–60 cm) in the soil profile increased with the depth of tillage”
Claim · model-written summary
No mulch and zero tillage had the highest soil moisture depletion in both depths and years.
- Treatment
- no mulch and zero tillagee0
- Outcome
- soil moisture depletione0
- Direction
- higheste0
- Qualifier
- both the years of studye0
Not reportedTaxonComparator
Verbatim
e0“The highest soil moisture depletion as measured through seasonal evapo-transpiration (ET) was recorded under no mulch and zero tillage in both the surface (0–30 cm) and sub-surface (30–60 cm) depths during both the years of study.”
Claim · model-written summary
Tillage practices did not influence chickpea seed yield in either year.
- Taxon
- chickpea
Cicer arietinume0 - Treatment
- Tillage practicese0
- Outcome
- seed yielde0
- Direction
- could not influencee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Tillage practices could not influence seed yield of chickpea during both the years of study.”
Claim · model-written summary
Cultural mulch produced higher seed yield of 1876 kg/ha in 2008–09.
Not reportedTaxonComparator
Verbatim
e0“Cultural mulch however, produced higher seed yield (1876 kg/ha) during 2008–09”
Claim · model-written summary
Mulching practices produced no seed yield difference in 2009–10.
Not reportedTaxonComparator
Verbatim
e0“none of the mulching practices could produce difference in seed yield during 2009–10”
Claim · model-written summary
JG 16 had the highest 2009–10 seed yield, 1858 kg/ha.
Not reportedTaxon
Verbatim
e0“‘JG 16’ produced the highest seed yield of 1858 kg/ha during 2009–10”
Claim · model-written summary
KWR 108 had the highest 2008–09 seed yield, 1961 kg/ha.
Not reportedTaxon
Verbatim
e0“‘KWR 108’ in 2008–09 (1961 kg/ha)”
Claim · model-written summary
Deep tillage and cultural mulch gave the highest WUE in 2008–09.
Not reportedTaxonComparator
Verbatim
e0“Water use efficiency (WUE) was the highest in deep tillage and cultural mulch during 2008–09”
Claim · model-written summary
Conventional tillage and no mulch gave higher WUE in 2009–10.
Not reportedTaxonComparator
Verbatim
e0“conventional tillage and no mulch recorded higher WUE in 2009–10”
The same questions in other papers
tillage · yield · Cicer arietinum (chickpea)Positive and negative results
17 papers in the same direction as this paper · 79 in the opposite direction
- positive
- no effect
- positive
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See all 97 papers →Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.