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Crop Protection :: Pulses :: Greengram

Nutrient Management

Apply fertilizer as per STCR ‐ IPNS recommendation
(OR)
Adopt blanket recommendation.

a. Soil test crop response based integrated plant nutrition system (STCR ‐ IPNS recommendation for specific yield target
- Soil :Red sandy loam (Irugur series) Yield target : 0.8-0.9 t ha-1
- FN = 25.07 T - 0.71 SN
- FP₂O₅ =15.44 T - 5.48 SP
- FK₂O = 11.00 T - 0.19 SK

Ready Reckoners

Initial soil test values (kg ha^-1)			Yield target ‐ 0.8 t ha^-1			Yield target ‐ 0.9 t ha^-1
Initial soil test values (kg ha^-1)			NPK (kg ha^-1) + FYM @ 12.5 t ha^-1 + PSB @ 2 kg ha^-1			NPK (kg ha^-1) + FYM @ 12.5 t ha^-1 + PSB @ 2 kg ha^-1
SN	SP	SK	FN	FP₂O₅	FK₂O	FN	FP₂O₅	FK₂O
160	12	160	38^	26^*	18	38*	41	29^*
180	14	180	33^*	25^*	148	38^*	30	25^*
200	16	200	19	25^*	13^*	38^*	25^*	21^*
220	18	220	13^*	25^*	13^*	29^*	25^*	17^*
240	20	240	13^*	25^*	13^*	15^*	25^*	13^*

^*maintenance dose

Note: FN, FP₂O₅ and K₂O are fertilizer N, P₂O₅ and K₂O in kg ha^-1, respectively;
T is the yield target in q ha^-1;
SN, SP and SK respectively are available N,P and K in kg ha^-1, respectively and
FP₂O₅ = 7.23T‐1.00 SP
ON, OP and OK are the quantities of N, P & K supplied through organic manure in kg ha-1, respectively;

Initial soil test values (kg ha^-1)			Yield target ‐ 0.8 t ha^-1			Yield target ‐ 0.9 t ha^-1
Initial soil test values (kg ha^-1)			Urea, SSP, MOP (kg ha^-1) + FYM @ 12.5 t ha^-1 + PSB @ 2 kg ha^-1			Urea, SSP, MOP (kg ha^-1) + FYM @ 12.5 t ha^-1 + PSB @ 2 kg ha^-1
SN	SP	SK	FN	FP₂O₅	FK₂O	FN	FP₂O₅	FK₂O
160	12	160	83^*	163^*	30^*	83^*	256	48
180	14	180	72^*	156^*	23^*	83^*	188	42
200	16	200	41^*	156^*	22^*	83^*	156^*	35
220	18	220	28^*	156^*	22^*	63^*	156^*	28
240	20	240	28^*	156^*	22^*	33^*	156^*	22^*

(OR)

Blanket Recommendation

Recommended Quantity of Nutrient (kg /ha)					Quantity of fertilizer needed (kg /ha)
Recommended Quantity of Nutrient (kg /ha)					Situation I				Situation II
N	P₂O₅	K₂O	S^*	MN	Urea	SSP	MOP	MN	Urea	DAP	MOP	Gypsum	MN
12.5	25	12.5	20	5	28	156	21	5	6	55	21	85	5

Entire quantity of NPKS applied as basal in the last plough.
Before sowing apply 5 kg of TNAU MN mixture for pulses /ha as enriched in FYM at 1:10 ratio incubated for 30 days at friable moisture.

^*Note:Apply sulphur through gypsum if phosphorus is not applied as single Super Phosphate

TNAU MN Mixture