Table 1 Treatment details of nano and prilled urea at different locations in India.

From: Nano urea’s environmental edge and economic efficacy in boosting wheat grain yield across diverse Indian agro-climates

Treatments

Agroclimatic zones/Locations

NWPZ

NEPZ

CZ

PZ

T01

*100% RDN (1/3rd basal, 1/3rd CRI, 1/3rd Tillering- Rec. N) + water spray at tillering and jointing

Delhi, Durgapura, Gurdaspur,

Hisar, Jammu, Karnal,

Ludhiana,

Pantnagar

Burdwan, Coochbehar, Ranchi, Sabour, Varanasi

Gwalior, Indore, Jabalpur, Junagarh, Vijapur

Dharwad,

Niphad, Pune

T02

100% RDN + one spray of nano urea at tillering

T03

100% RDN + two spray of nano urea at tillering and jointing

T04

100% RDN + two spray of urea (5%) at tillering and jointing

T05

75% RDN + water spray at tillering and jointing

T06

75% RDN + one spray of nano urea at tillering

T07

75% RDN + two spray of nano urea at tillering and jointing

T08

75% RDN + two spray of 5% urea at tillering and jointing

T09

50% RDN + water spray at tillering and jointing

T10

50% RDN + one spray of nano urea at tillering

T11

50% RDN + two spray of nano urea at tillering and jointing

T12

50% RDN + Two spray of 5% urea at tillering and jointing

T13

Control (without N only)

  1. *Recommended N (RDN) is 150 kg/ha for NWPZ and NEPZ; 120 kg N/ha for CZ and PZ under irrigated condition; Abbreviations used: NWPZ- North western plain zone; NEPZ- North western plain zone; CZ- Central zone; PZ- Peninsular zone; RDN- recommended dose of nitrogen; CRI- Crown root initiation stage; N- nitrogen.
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