Zinc Sulphate and Boron-Based Foliar Fertilizer Effect on Growth, Yield, Minerals, and Heavy Metal Composition of Groundnut (Arachis hypogaea L) Grown on an Alfisol

Table 5

Effects of Zn and B fertilizers on the nutrient content (mg·kg⁻¹) of groundnut seeds (pooled data of 2016 and 2017 cropping seasons).

Treatments	Nitrogen	Phosphorus	Potassium	Calcium	Magnesium
ZnSO4 kg·ha^−1
0	0.37b	0.82b	0.75b	2.56a	4.86c
4	0.38b	0.84b	0.77b	2.50b	5.59b
8	0.40a	0.90a	0.83a	2.49b	5.86a
Boron (ml·ha^−1)
0	0.30c	0.73c	0.71c	2.64b	3.86c
300	0.35b	0.87b	0.76b	2.70a	4.63b
600	0.39a	1.03a	0.81a	2.71a	5.06a
900	0.40a	0.98a	0.84a	2.71a	5.04a
Interaction
Zn
B
ZnB

Means in a column under any given treatment followed by the same letters do not differ significantly at 0.05 level of probability using the Duncan multiple range test (DMRT). Significant at 0.05 level of probability.