Acacia mangium + Guava based horti-silvi-pasture system

Tree Component

Acacia mangium

Boundary/ Block/ in field

In field

Spacing

6 x 6 m2

Pit size

0.5 x 0.5 x 0.5m3

Any other management requirement

Basal: DAP-50g, MOP-50g pit-1

Chloropyriphos-100g pit-1

Top dressing: Urea-50g pit-1

(post monsoon up to 4 years)

Pruning: maintained up to 1/3rd plant height.

Guava:

Spacing-6mx6m, Pit- 75cmx75cm

Planting: July-Aug, FYM: 2 baskets

Basal: N-60g, P2O5- 30g and K2O- 60g pit-1 (July)

Top dressing- -do- (October)

Intercrop

Guinea/Stylo

Guinea

Planting time

June

Seed rate

2.5 kg ha-1  ( 40,000 slips)

Fertilizer

FYM: 5 t ha-1, 50:40:40 kg N, P2O5, K2O ha-1  as basal and 40 kg N ha-1  after each cut

Any other management requirement

Spacing: 50cm x 50 cm

After planting, first cut at 70-80 days, and subsequent cutting at 45 days interval.

Stylo (S. hamata)

Planting time

June-Sept

Seed rate

6kg (line), 10 kg (broadcasting)

Fertilizer

FYM: 5 t ha-1, Dose: 20 :60:20 kg ha-1  N: P2O5: K2O

first cut at 70-80 DAS & subsequent cut after 60-70days.

Any other management requirement

Spacing: 30cm x 15cm

Return / Outcome

Fodder: Guinea:  18-20 t ha-1year-1 with yield recovery of 80-85 % and BCR 1.8

Stylo: 8-10 t ha-1 year-1  with yield recovery of 80-85 % and BCR 1.4

Guava: 3.0 t ha-1year-1, BCR:1.88

Acacia mangiumTree (at end of 12 years):

Av. 5.0 cft of timber and 0.4 t firewood per tree (Rs. 4000-4500/tree). (from 1.0 ha out of 275trees 200 trees are expected to be survived till harvest)

Any other information

It is suitable, in addition to supplying fodder and timber, for unbunded uplands and waste land. It is capable of improving soil physical condition and soil productivity.