Performance of organically cultivated papaya under different irrigation levels and mulching methods
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Date
2022-09
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CCSHAU Hisar
Abstract
An experiment was conducted at research field of Deendayal Upadhyay Centre of Excellence
for Organic Farming, CCS HAU, Hisar during the year 2021-22 to study the effect of
different irrigation levels and mulching methods on performance of organically cultivated
papaya. The experiment comprised of twenty one treatments under the drip irrigation method
with combination of three different irrigation levels viz. 50%, 75% and 100% of crop water
requirement and seven mulching methods. The results showed that the plant height (240.73
cm), stem girth (46.03 cm), crown diameter (245.40 cm), number of flowers (65.67), number
of fruits (42.67), yield per plant (54.30 kg) and total yield (135.75 t ha-1) were observed
maximum for meeting 100% of crop water requirement with the application of 10 cm thick
straw mulch in two-meter diameter around the plant and minimum for meeting 50% of crop
water requirement without mulch condition. The soil moisture (20.18%) was found maximum
for meeting 100% of crop water requirement with the application of plastic mulch in twometer
diameter around the plant and minimum for meeting 50 % of crop water requirement
without mulch condition. From the results, it is also observed that the irrigation water use
efficiency (59.53 kg m-3) was found maximum for meeting 50 % of crop water requirement
with 10 cm thick straw mulch in two-meter diameter around the plant and minimum (42.64 kg
m-3) for meeting (42.64 kg m-3) 100% of crop water requirement without mulch under drip
irrigation system.