Abstract
Zinc is an important micronutrient required by plants and animals. Zn is one of the deficient nutrient in sandy soil of coastal agro ecosystem owing the unfavourable soil characteristics namely low organic matter, CEC and high leaching etc. A pot experiment was carried out in the Department of Soil Science and Agricultural Chemistry, Annamalai University during Feb.-Apr.' 2017, to evaluate the influence of clay and organic amendments viz., FYM and humic acid on the yield and Zn nutrition of blackgram. The soil was sandy, slightly saline with pH 8.07 and represented low available NPK and Zn status. In a Completely Randomized Design, the following treatments namely T 1 -Control (100% recommended dose of NPK), T 2 -NPK + ZnSO 4 @ 25 kg ha -1 , T 3 -T 2 + clay @ 20 t ha -1 , T 4 -T 3 + humic acid @ 20 kg ha -1 , T 5 -T 3 + FYM @ 12.5 t ha -1 were studied using four replications. Black gram variety ADT-3 was grown, during the crop period, various growth and yield parameters and yield were recorded. The results of the study indicated that the application of clay and organic amendments were efficient in improving the growth, yield and Zn nutrition of blackgram. Among the treatments T 4 , application of NPK + ZnSO 4 @ 25 kg ha -1 + clay @ 20 t ha -1 + humic acid @ 20 kg ha -1 accounted for a significant increase in the yield and nutrition of blackgram by recording higher content and uptake of macro and micro nutrient Zn.
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Claims 3
Claim · model-written summary
Application of clay and organic amendments improved the growth, yield and Zn nutrition of blackgram compared with the NPK control.
- Taxon
- blackgram
Vigna mungoe1 - Treatment
- application of clay and organic amendmentse1
- Outcome
- growth, yield and Zn nutritione1
- Direction
- improvinge1
- Comparator
- Control (100% recommended dose of NPK)e2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“application of clay and organic amendments were efficient in improving the growth, yield and Zn nutrition of blackgram”
e2“T 1 -Control (100% recommended dose of NPK)”
Claim · model-written summary
NPK with ZnSO4, clay and humic acid significantly increased blackgram yield.
- Taxon
- blackgramVigna mungoe3
- Treatment
- application of NPK + ZnSO 4 @ 25 kg ha -1 + clay @ 20 t ha -1 + humic acid @ 20 kg ha -1e3
- Outcome
- yielde3
- Direction
- increasee3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e3“Among the treatments T 4 , application of NPK + ZnSO 4 @ 25 kg ha -1 + clay @ 20 t ha -1 + humic acid @ 20 kg ha -1 accounted for a significant increase in the yield and nutrition of blackgram”
Claim · model-written summary
NPK with ZnSO4, clay and humic acid raised the content and uptake of Zn in blackgram.
- Taxon
- blackgramVigna mungoe3
- Treatment
- application of NPK + ZnSO 4 @ 25 kg ha -1 + clay @ 20 t ha -1 + humic acid @ 20 kg ha -1e3
- Outcome
- content and uptake of macro and micro nutrient Zne4
- Direction
- highere4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e3“Among the treatments T 4 , application of NPK + ZnSO 4 @ 25 kg ha -1 + clay @ 20 t ha -1 + humic acid @ 20 kg ha -1 accounted for a significant increase in the yield and nutrition of blackgram”
e4“by recording higher content and uptake of macro and micro nutrient Zn”
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