Abstract
Aim: In pursuit of optimizing crop productivity and nutritional quality, this study aimed to investigate the influence and interaction of phosphorus (P) and zinc (Zn) on the growth, yield, and quality parameters of Blackgram (Vigna mungo L.), variety VBN 8. Study Design: The experiment was designed using Factorial Randomized Block Design (FRBD), incorporating 12 treatment combinations and three replications. Place and duration of Study: The experiment was conducted in the field no. A 4 of Wetland farm, Tamil Nadu Agricultural University, Coimbatore; from May 2023 to August 2023. Methodology: The experiment consisted of 12 treatments, each replicated three times, resulting in a total of 36 experimental plots. The treatments included different combinations of P levels (0, 25, 50, and 75 kg ha-1) and concentrations of foliar-applied Zn-EDTA (0%, 0.5%, and 1.0%) applied twice at 30 and 45 days after sowing. The recommended dose of nitrogen (N) and potassium (K2O) at 25 kg ha-1 each, along with a recommended dose of zinc sulfate (ZnSO4) at 25 kg ha-1, was applied as a blanket recommendation to ensure consistent nutrient supply across treatments. Results: It was found that the treatment combination of 50 kg ha-1 P2O5 and 0.5% Zn-EDTA increased morphological characters and yield compared to other treatments followed by treatment combination of 50 kg ha-1 P2O5 and 1% Zn-EDTA. The minimum yield and morphological characters were recorded in the control plot where neither P2O5 nor Zn-EDTA was applied. Conclusion: This research depicted that the combined application of 50 kg ha-1 P2O5 and 0.5% Zn-EDTA spray has a positive impact on the growth, yield and quality of blackgram in zinc deficient soil under field conditions resulting in improved morphological characters and crop yield. Hence, it may be concluded that an optimum dose of 50 kg ha-1 P2O5 and 0.5% Zn-EDTA spray can be recommended for blackgram to enhance crop productivity.
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Claims 4
Claim · model-written summary
50 kg ha-1 P2O5 plus 0.5% Zn-EDTA increased morphological traits relative to other treatments.
- Taxon
- Blackgram (Vigna mungo L.)
Vigna mungot0 - Treatment
- 50 kg ha-1 P2O5 and 0.5% Zn-EDTAe0
- Outcome
- morphological characterse0
- Direction
- increasede0
- Comparator
- other treatmentse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“the treatment combination of 50 kg ha-1 P2O5 and 0.5% Zn-EDTA increased morphological characters and yield compared to other treatments”
t0“Blackgram (Vigna mungo L.)”
Claim · model-written summary
50 kg ha-1 P2O5 plus 0.5% Zn-EDTA increased yield relative to other treatments.
- Taxon
- Blackgram (Vigna mungo L.)
Vigna mungot0 - Treatment
- 50 kg ha-1 P2O5 and 0.5% Zn-EDTAe0
- Outcome
- yielde0
- Direction
- increasede0
- Comparator
- other treatmentse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“the treatment combination of 50 kg ha-1 P2O5 and 0.5% Zn-EDTA increased morphological characters and yield compared to other treatments”
t0“Blackgram (Vigna mungo L.)”
Claim · model-written summary
The no-P2O5 no-Zn-EDTA control had minimum yield and morphological traits.
- Taxon
- Blackgram (Vigna mungo L.)
Vigna mungot0 - Treatment
- neither P2O5 nor Zn-EDTA was appliede0
- Outcome
- yield and morphological characterse0
- Direction
- minimume0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“The minimum yield and morphological characters were recorded in the control plot where neither P2O5 nor Zn-EDTA was applied”
t0“Blackgram (Vigna mungo L.)”
Claim · model-written summary
The authors recommended 50 kg ha-1 P2O5 with 0.5% Zn-EDTA for blackgram productivity.
- Taxon
- blackgram
Vigna mungoe0 - Treatment
- 50 kg ha-1 P2O5 and 0.5% Zn-EDTA spraye0
- Outcome
- enhance crop productivitye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“an optimum dose of 50 kg ha-1 P2O5 and 0.5% Zn-EDTA spray can be recommended for blackgram to enhance crop productivity”
The same questions in other papers
zinc atom · yield · Vigna mungo (black gram)Results differ
32 papers in the same direction as this paper · 2 in the opposite direction
- positive
- no effect
- no effect
31 papers more in this group
See all 35 papers →phosphorus · yield · Vigna mungo (black gram)Results agree
69 papers in the same direction as this paper
- positive
- positive
- positive
66 papers more in this group
See all 70 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.