Browsing by Author "Venugopal, K."

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    Effect of soil and climate on the productivity of cashew
    (2007-02-08) Venugopal, K.; Abdul Khader, K.B.
    A review of soil and climate conditions of different cashew growing states in India in relation to the production potential of cashew reveals that a well distributed rainfall during growth and pre-flowering phase (from September to November) favours a higher yield potential. Brown forest soil or a deep well drained laterite soil with high water holding capacity and rich in organic matter content appears to be an ideal soil type for better growth and higher productivity of cahsew, while the eroded laterites and coastal sands appear to be poor soil types. The yield potential of cashew is very low under saline/alkaline conditions of the soil and soil water. The cyclonic storms along the East Coast resulting in heavy rainfall, floods and waterlogging also seriously affect the productivity of cashew. Augmenting supplemental irrigation facilities in the rain deficit regions coupled with appropriate soil conservation and fertility management practices are essential in raising the cashew productivity.
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    Effect of soil, agro-climatic factors on the yield of coconut in Goa
    (2007-02-08) Venugopal, K.
    Benaulim and Calangute are the two important local cultivars of coconut grown in Goa, of which Benaulim occupies 2/3rd of the area and is also superior to Calangute in quality and in stability of yield, Goa receives abundant rainfall (2500 to 4000 mm/annum) but the distribution of the rain fall is limited to four months from June to September, The territory experiences severe drought from January to April, Hence the yield of coconut depends on soil moisture reserves in the unirrigated gardens and on the extent of irrigation facilities in the irrigated gardens. The total number of bearing palms and the density of palms per unit area are higher in the sandy coastal tracts as compared to the interior hilly tracts with laterite soils. The yield of coconut in the sandy and silty lowms along the coastal tracts are high (60 nuts/tree), probably due to the high water table, while the yield in interior hilly tracts is reported to be very poor (15-20 nuts/tree). However, such low yields reported may be partly due %o extensive tapping of coconut for toddy in the interior tracts* The estimated production of coconut fenl (liquor) is about 3 million litres/annum. It is reported that the yield response of coconut palms to fertilizer application is significant in the coastal sandy soils while the response to irrigation is significant in the interior hilly tracts, indicating that soil moisture is the most critical limiting fiactor affecting productivity of coconuts in the laterite soils of the interior hill tracts. Further yield responses however depends on the fertility management and plant protection measures.
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    Inter and mixed cropping trials 3. Arecanut with other crops (a) Arecanut and Cocoa
    (Central Plantation Crops Research Institute , Mohit Nagar, Jalpaiguri dist, West Bangal, 1981) Sannamarappa, M.; Abdul Khader, K.B.; Venugopal, K.