Abstract
Crop production on acid soils can be improved greatly by adjusting the pH to near neutrality. While soil acidity is commonly corrected by calcite, there is evidence that use of basic slag as an amendment can increase the pH of acid soils. The effect of calcite and basic slag (CaSiO ) with different doses on soil acidity, 3 nutrient availability and grain yield was determined in the experiments. Fourteen field experiments were conducted during the rabi season of 2003-2004 and 2004-2005 in Alfisolsof Midnapur West and Purulia districts of West Bengal, INDIA. Besides liming materials, locally available organic resources e.g. farmyard manure (FYM) and poultry manure (PM) were also used along with basic slag to increase its efficacy. The treatments used were as follows: No lime, 1/5 LR (basic slag), 1/5 LR (calcite), 1/10 LR (basic slag), 1/10 LR (calcite), th th th th 1/5 LR (basic slag + FYM @ 5t/ha) and 1/5 LR (basic slag + PM @ 3t/ha). Results showed that both th th calcite and basic slag increased the grain yield of wheat. They were effective when applied @ 1/5 LR dose th than 1/10 LR. On an average, calcite and basic slag caused an increase in grain yield to the extent of 21.9 and th 31.0% over the no lime treatment, respectively. Results also showed that increase in the yield of wheat was more with basic slag 1/5 LR than with calcite. Incorporation of organic sources of nutrients particularly FYM and th PM caused a further increase in yield, the magnitude being 56.2 and 60.2% respectively over the no lim e treatment. Results of straw yield also showed the similar trend of change. Uptake of N and P by wheat plants showed that liming caused significant increases in their uptake. There was no significant increase in concentration of K with lime application. Organic matter addition enhanced the uptake of the nutrient elements viz., N, P and K. Results of the analysis of residual soil showed that total acidity, exchange acidity and hydrolytic acidity recorded a decrease upon liming.
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Claims 12
Claim · model-written summary
Calcite increased wheat grain yield by 21.9% over no lime.
- Taxon
- wheat
Triticum aestivume1 - Treatment
- calcitee0
- Outcome
- grain yielde0
- Direction
- increasee0
- Value
- 21.9e0
- Comparator
- no lime treatmente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“calcite and basic slag caused an increase in grain yield to the extent of 21.9 and th 31.0% over the no lime treatment, respectively”
e1“grain yield of wheat”
Claim · model-written summary
Basic slag increased wheat grain yield by 31.0% over no lime.
- Taxon
- wheatTriticum aestivume1
- Treatment
- basic slage0
- Outcome
- grain yielde0
- Direction
- increasee0
- Value
- 31.0%e0
- Comparator
- no lime treatmente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“calcite and basic slag caused an increase in grain yield to the extent of 21.9 and th 31.0% over the no lime treatment, respectively”
e1“grain yield of wheat”
Claim · model-written summary
Both liming materials were more effective at 1/5 LR than 1/10 LR.
- Taxon
- wheatTriticum aestivume1
- Treatment
- 1/5 LRe0
- Outcome
- grain yielde1
- Direction
- effectivee0
- Comparator
- 1/10 LRe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“They were effective when applied @ 1/5 LR dose th than 1/10 LR.”
e1“both th th calcite and basic slag increased the grain yield of wheat”
Claim · model-written summary
At 1/5 LR, basic slag produced higher wheat yield than calcite.
- Taxon
- wheatTriticum aestivume0
- Treatment
- basic slag 1/5 LRe0
- Outcome
- yield of wheate0
- Direction
- moree0
- Comparator
- calcitee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“increase in the yield of wheat was more with basic slag 1/5 LR than with calcite”
Claim · model-written summary
Adding FYM to basic slag increased yield by 56.2% over no lime.
- Taxon
- wheatTriticum aestivume1
- Treatment
- FYMe0
- Outcome
- yielde0
- Direction
- increasee0
- Value
- 56.2e0
- Comparator
- no lim e treatmente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Incorporation of organic sources of nutrients particularly FYM and th PM caused a further increase in yield, the magnitude being 56.2 and 60.2% respectively over the no lim e treatment”
e1“Results also showed that increase in the yield of wheat”
Claim · model-written summary
Adding poultry manure to basic slag increased yield by 60.2% over no lime.
- Taxon
- wheatTriticum aestivume1
- Treatment
- PMe0
- Outcome
- yielde0
- Direction
- increasee0
- Value
- 60.2%e0
- Comparator
- no lim e treatmente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Incorporation of organic sources of nutrients particularly FYM and th PM caused a further increase in yield, the magnitude being 56.2 and 60.2% respectively over the no lim e treatment”
e1“Results also showed that increase in the yield of wheat”
Claim · model-written summary
Wheat straw yield followed the grain-yield trend under amendment treatments.
- Taxon
- wheatTriticum aestivume1
- Outcome
- straw yielde0
- Direction
- similar trend of changee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Results of straw yield also showed the similar trend of change.”
e1“Results also showed that increase in the yield of wheat”
Claim · model-written summary
Liming significantly increased wheat nitrogen uptake.
- Taxon
- wheatTriticum aestivume0
- Treatment
- liminge0
- Outcome
- Uptake of Ne0
- Direction
- increasese0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Uptake of N and P by wheat plants showed that liming caused significant increases in their uptake.”
Claim · model-written summary
Liming significantly increased wheat phosphorus uptake.
- Taxon
- wheatTriticum aestivume0
- Treatment
- liminge0
- Outcome
- Pe0
- Direction
- increasese0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Uptake of N and P by wheat plants showed that liming caused significant increases in their uptake.”
Claim · model-written summary
Liming did not significantly increase wheat potassium concentration.
- Taxon
- wheatTriticum aestivume1
- Treatment
- lime applicatione0
- Outcome
- concentration of Ke0
- Direction
- no significant increasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“There was no significant increase in concentration of K with lime application.”
e1“wheat plants”
Claim · model-written summary
Organic matter addition enhanced uptake of nitrogen, phosphorus and potassium.
- Taxon
- wheatTriticum aestivume1
- Treatment
- Organic matter additione0
- Outcome
- uptake of the nutrient elements viz., N, P and Ke0
- Direction
- enhancede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Organic matter addition enhanced the uptake of the nutrient elements viz., N, P and K.”
e1“wheat plants”
Claim · model-written summary
Liming decreased total, exchange and hydrolytic soil acidity.
- Taxon
- wheatTriticum aestivume1
- Treatment
- liminge0
- Outcome
- total acidity, exchange acidity and hydrolytic aciditye0
- Direction
- decreasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“total acidity, exchange acidity and hydrolytic acidity recorded a decrease upon liming”
e1“Results also showed that increase in the yield of wheat”
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