Effect of irrigation and fertigation scheduling on growth and yield of guava (Psidium guajava L.) under meadow orcharding

Abstract

A study was conducted during 2009 to 2010 and 2010 to 2011 to find out the effect of irrigation and fertigation scheduling on growth and yield of guava (Psidium guajava L.). The experiments were laid out in factorial randomized block design with sixteen treatment combinations which included four irrigation levels (basin, 50, 75 and 100% irrigation of irrigation water/cumulative pan evaporation) along with four fertigation levels, including, basal dose, 50, 75 and 100% water soluble fertilizers and replicated thrice. The nitrogen, phosphorus and potassium (NPK) fertilizers were applied through fertigation as well as soil application to test various attributes of 3-years-old guava cv. Shweta under meadow (ultra high density) orcharding. The investigation indicated that 100% irrigation of irrigation water/cumulative pan evaporation (I 3) through drip resulted in maximum plant height (1.97 m), canopy volume (0.98 m 3), girth of primary branches (2.41 cm), leaf area (62.94 cm 2) and fruit weight (163.71 g). However, I 2 (75% irrigation of irrigation water/cumulative pan evaporation) resulted in maximum plant spread east westnorth south (1.91 to 1.79 m), fruit yield/plant (5.87 kg) with benefit:cost ratio of 2.62. Use of 60, 30 and 30 g NPK/plant/year produced maximum leaf area (63.39 cm 2), fruit weight (162.43 g) and fruit yield/plant (6.01 kg). Interaction effect of irrigation and fertigation levels showed that 100% irrigation of irrigation water/cumulative pan evaporation + 100% water soluble fertilizers gave maximum plant height (2.07 m), canopy volume (1.24 m 3), girth of primary branches (2.48 cm), leaf area (66.08 cm 2), fruit diameter 6.69 cm (polar) and 5.97 cm (equatorial), fruit weight (182.17 g), yield/plant (6.59 kg). However, maximum benefit:cost ratio of (2.91) was obtained as 75% irrigation of irrigation water/cumulative pan evaporation + 75% water soluble fertilizers.

Effect of Pruning and Drip Fertigation on Growth Parameters of Guava (Psidium guajava L.) cv. Sardar

“…It may be due to the application of nutrients and moisture at the appropriate time i.e rapid growth phase, which could have increased the canopy spread. Similar results were also reported by (Ramniwas et al, 2012) in guava.…”

Automated and Non-Automated Fertigation Systems Inside the Polyhouse- A Comparative Evaluation

“…This is because of the increase in crop growth due to the interaction effect between irrigation and fertigation levels. 100 percentage applications of the scheduled nutrients to the root zone had also contributed to the fruit diameter (Ramnivas et al, 2012). These findings are in agreement with the report of Singh and Singh (2005) that the trickle irrigation with 100% recommended nitrogen fertilizer gave the maximum fruit circumference, fruit length and fruit weight in papaya.…”

“…The present findings are in accordance with the results of Sharma et al, (2011). According to Ramnivas et al, (2012), interaction of irrigation and fertigation might have resulted to maximum fruit weight.…”

Effect of Foliar Application of Zinc on Growth and Yield of Guava (Psidium Guajava L.)

“…Likewise the minimum production was recorded in control 23.644 kg per plant for treatment Zn0. The similar findings were also reported by [10] for guava. Table3.…”