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Monappa, K.
- Effect of Different Depths of Planting and Manuring on the Growth and Survival of Poplars in the Ravine Lands-I
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Indian Forester, Vol 94, No 9 (1968), Pagination: 675-681Abstract
Six treatments comprising of three depths of planting (D1-60 cm; D2-90 cm; D3-120cm) and two levels of manuring (Mo-control; i.e., no manuring and M1-manuring @ 5 kg F.Y.M. per pit) were tried for planting of Populus casale, 488 in the ravine lands along River Mahi at the Central Soil Conservation Research Station, Vasad (Gujarat). The lay out consisted of Randomised Block Design with 3 replications and a planting diatance of 3 m × 3 m. The results of the study indicate that deep planting (D3) with or without manuring gave significantly better height and diameter growth as compared to the medium and shallow depths of planting (D2, D1,), there being no significant difference between the medium and shallow depths of planting.The depth of planting remaining same, manuring (M1,) gave significantly better height and diameter growth than the un-manured treatment (M0,) except in the case of shallow planting (D1) when no significant difference was observed between the manured and un-manured plants. Deep planting (D3,) prolonged the period of active growth and delayed the leaf fall of the plants. At the end of two growth seasons, the manured plants under deep and medium depths of planting (D3 M1, D2 M1) gave significantly better survival % than under shallow planting (D1 M1) while in the case of un-manured plants, the various depths of planting had no Significant effect on survival percentage,- Suitability and Economics of Grasses for Reclamation and Stabilisation of Mahi Ravines in Gujarat
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Indian Forester, Vol 95, No 1 (1969), Pagination: 33-44Abstract
Grasses play an important role in the stabilization of peripheral and contour bunds and bench terrace faces in gullied land reclaimed for cultivation. In the case of deep gullies, where reclamation is very costly, they effectively check the widening and deepening of gullies. The role of grasses for Soil and Water Conservation in ravine lands side by side to their economics has been discussed in this paper.- Effect of Different Depths of Planting and Manuring on the Growth and Survival of Poplars in Ravine Lands-II
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Indian Forester, Vol 95, No 8 (1969), Pagination: 532-538Abstract
The effect of three depths of planting (D1-60 cm; D2-90 cm; D3-120 cm) and two levels of manuring (M0 no manuring, M1-manuring @ 5 kg F.Y.M. per pit) On height, diameter growth and survival percent of Populus casale 488 were reported earlier (1) on the basis of the studies conducted at the Central Soil Conservation Research Station, Vasad (Gujarat) during 1965-67. The results of some additional investigastions regarding the effect of various treatments and available soil moisture on the growth characteristics and water balance of the plants are reported in this paper. The studies reveal that deep planting gave significantly better height and diameter growth, leaf size, leaf moisture per cent, relative turgidity (of leaves), percentage of the plants with active growth in the later parts of the growth season, percentage of plants without any leaf fall at the end of winter, percentage of plants without any die back of their leading shoots in dry summer months and survival per cent of the plants at the end of two growth seasons as compared to the medium (D2) and shallow (D1) depths of planting. Manuring (M1) gave significantly better height and diameter growth, leaf size, relative turgidity and survival per cent than the un- manured plants (M0) but it (M1) had no significant effect on leaf moisture per cent. Un-manured plants (M0) had significantly higher saturation deficit in their leaves as compared to the manured plants (M1). Moreover, the shallow depth of planting (D1) gave significantly higher saturation deficit than the medium depth of planting (D2), which in turn gave significantly higher saturation deficit than deep planting (D3). The effect of deep planting in enhancing the growth and vigour of the plants was found mainly due to the increase in available soil moisture per cent with the increase in soil depth.- Effect of Fertilisers on Forage Production in Ravine Lands
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