Fig 1.
Variation in annual rainfall, maximum and minimum temperature during the field experiments from 2020–2022 (RF: Rainfall; T max: Temperature maximum; T min: Temperature minimum).
Fig 2.
Box and whisker plots of the a) available nitrogen b) available phosphorus c) available potassium soil macronutrients (0–15 cm), after the soil fertility gradient experiment.
Fig 3.
Linear correlations between cob yield and total uptake of a) N (a), a) P (b), and c) K (c) in sweet corn during the main experiment.
Fig 4.
Linear correlations between a) N (a), b) P (b) and c) K (c) added and cob yield in sweet corn in the main experiment.
Table 1.
Descriptive statistics of yield and nutrient uptake under the main experiment of sweet corn.
Table 2.
Basic parameters for calculating fertilizer requirement, with and without FYM, for the targeted yield of sweet corn.
Table 3.
Influence of different approaches of nutrient recommendations on yield, % deviation, response yard stick (RYS) and value cost ratio (VCR) of sweet corn.
Table 4.
Nutrient use efficiency in sweet corn as influenced by different approaches of fertilizer recommendation.