Reprints

Permanent URI for this collectionhttp://localhost:4000/handle/123456789/1975

Browse

Author: search.filters.author.Jose, A IStart date: 1980

Search Results

Now showing 1 - 10 of 31
  • No Thumbnail Available
    Item
    Standardisation of a technique for the prepration of candy from unripe papaya
    (Kerala Agricultural University, 1981) Prabaharan, T; Jose, A I
  • No Thumbnail Available
    Item
  • No Thumbnail Available
    Item
    Distribution of organic carbon and forms of nitrogen in soil under mahogany and teak
    (Kerala Agricultural University, 1982) Balagopalan, M; Jose, A I
    A study was made on the influence of mahogany and teak vegetation on soil characteristics, namely, pH, organic carbon and different forms of nitrogen. Soils under teak were more acidic than those under mahogany. The content of organic matter decreased with depth. Accumulation of organic matter was more under mahogany vegetation. This was true in the case of total nitrogen also. The C:N ratio of the soil was little influenced either by depth or by the type of vegetation. The ratios of total N to available N, total N to ammoniacal N and total N to nitrate N increased with increase in depth of the profile under both type of vegetation.
  • No Thumbnail Available
    Item
    Micronutrient status of soil and leaf of coconut palms growing on reclaimed marshy soil
    (Kerala Agricultural University, 1985) Jose, A I; Venugopal, V K; Sushama, P K; Gopi, C S; Saifudeen, N
  • No Thumbnail Available
    Item
    Release of available phosphorus from rockphosphates and superphosphate during incubation under submergence
    (Kerala Agricultural University, 1985) Regi P Mathews; Jose, A I
    Increase in the available P (Bray 1 and 2) content of the taterite and kari soils due to the addition of P fertilizers did not depend on the water solubility of the added P fertilizers. Increasing the level of application of P from 45 to 90 kg P20s/ha did not increase the available P (Bray 1 and 2) conspicuously in the laterite and kari soils.
  • No Thumbnail Available
    Item
    Effect of zinc and molybdenum on root (Wilt) affected coconut palms
    (Kerala Agricultural University, 1986) Mathew, A S; Jose, A I; Jose Abraham; Robert Cecil, S; Kamalakshi Amma, P G
    A micronutrient trial using Zn and Mo as foliar and soil application was conducted on root (wilt) disease affected palms under different stages of disease for a period of four years. The study indicated that applications were not effective either in reducing the intensity of disease or in increasing the yield of palms.
  • No Thumbnail Available
    Item
    Evaluation of available phosphorus and potassium in soil using a common extractant
    (Kerala Agricultural University, 1986) Durga Devi, K M; Jose, A I
    A laboratory evaluation and an uptake study using Neubauer seedling technique was carried out for evolving a single common extractant suitable for extracting available P and available Kso as to simplify the process of extracting these available plant nutrients in soil testing work. The study was conducted in three phases, viz., an initial study, preliminary screening and a final selection using different extractants. The triacid (0.06 N H2S04 + 0.05 N HCI + 0.05 A/ oxalic acid) with a soil solution ratio of 1 :1 0 and equilibration period of 30 min was found to give very good correlation with Bray No. 1 P and NH4OAc (std) K and this extractant can be recommended for different soils of the state.
  • No Thumbnail Available
    Item
    Quality of copra and oil of coconut as influenced by sodium chloride nutrition
    (Kerala Agricultural University, 1987) Prema, D; Jose, A I; Narayanan Nambiar, P K
  • No Thumbnail Available
    Item
    Effect of sodium chloride on growth and yield of coconut palms in a laterite soil
    (Kerala Agricultural University, 1987) Prema, D; Jose, A I; Narayanan nambiar, P K
    An investigation was carried out drawing soil and leaf samples from coconut palms of a sodium chloride trial conducted at the Regional Agricultural Research Station, Pilicode, Kasaragod, Kerala, in order to evaluate the effect of sodium chloride on growth, yield and uptake of nutrients by coconut palms grown in laterite soil. The treatments were superimposed on 24 year old palms in 1976 and samples for the study were drawn in 1986. The palms were receiving substitution of KCI by NaCI in various proportions for the last 10 years. The study revealed that there was no significant difference in yield of nuts by substitution of KCI by NaCI. However, treatments receiving 100% recommended dose of K20 and that receiving 50% substitution of K20 by Na20 appeared superior to other treatments- There was no significant difference between treatments in the case of other growth characteristics, and the nutrient uptake by the palms except K and Na. Palms receiving higher amount of K or Na retained higher amount of these elements. The available nutrient status of the soil except available K and basic chemical properties of the soil like, pH, EC and CEC remained the same. The available K content in soil increased with increased application of K to the soil.
  • No Thumbnail Available
    Item
    Effect of submergence on inorganic phosphorus fractions and available phosphorus in two acid rice soils of Kerala
    (Kerala Agricultural University, 1984) Regi P Mathew; Jose, A I
    Flooding the soil resulted in an increase in the content of available P, Fe-P, AI-P and saloid P, while the concentration of reductant sDluble P, occluded P and Ca-P showed a gradual decrease. The levels of Fe-P, AI-P, reductant soluble P, occluded P and available P were high in laterite soil compared to kari soil. The mean values of saloid P and Ca-P were relatively high in kari soil.