Standardisation of source and method of fertigation in guava (Psidium guajava)
DOI:
https://doi.org/10.24154/jhs.v20i2.2749Keywords:
Guava, fertigation, fruit yield, net returns, productivityAbstract
Field experiments were conducted to standardise the source and method of fertigation in guava in seven to tenyears orchard of guava var. Arka Kiran, for four years from 2018 to 2021. Fertigation with 100% RDF- nitrogen and potassium through urea and muriate of potash, respectively and phosphorus through soil application recorded significantly higher plant height (3.00 m), canopy spread (3.36 m2 and 3.32 m2) and canopy volume (79.73 m3). Significantly more number of fruits (599/plant) and higher total fruit yield (63.5 kg/plant/year) were also recorded with the same treatment. Application of organic sources of nutrients favoured higher accumulation of nutrients in the leaf tissues and enhanced both the soil organic carbon (0.81% from 0.60%) and in turn the available nitrogen in soil (225 kg/ha). Soil application of RDF along with FYM showed better accumulation of both available phosphorus (121 kg/ha) and potassium (508 kg/ha). The gross returns (Rs. 10,93,375/ha), net returns (Rs. 9,03,624/ha) and the benefit cost ratio (5.76) were higher with application of RDF- N and K through urea and MOP and P through soil application of single super phosphate.
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