2. Institutional Publications

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Author: search.filters.author.Balakrishna Pillai, P

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    Efficiency of complex fertiliser on rice
    (Kerala Agricultural University, 1979) Balakrishna Pillai, P; Sasidhar, V K; Vikraman Nair, R
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    Chemical weed control in rice under semi dry conditions
    (Kerala Agricultural University, 1979) Ramakishnan Nair, T; Balakrishna Pillai, P; George, C M
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    Relative efficiency of different herbicides on rice under semi dry conditions
    (Kerala Agricultural University, 1979) Balachandran Nair, G K; Balakrishna Pillai, P; Madhavan Nair, K P; Sasidhar, V K
    The findings of the present investigation reveal that amongst different weed control measures tried the application of propanil (Stam F — 34) in combination with 2, 4 — D (Feronoxone) at the rate of 0.75 and 0.5 kg. a. i/ha respectively, followed by propanil (Stam F — 34) alone at the rate of 1.5 kg. a.i/ha and Butachlor (Machete) alone at the rate of 1.5kg. a.i/ha are beneficial in controlling weeds and improving grain yields of rice.
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    Nutritional status of soils and the incidence of "bunchy top" disease of banana (var. Java)
    (Kerala Agricultural University, 1974) Balakrishna Pillai, P; Nair, C K N
    All the plants in the control contracted the disease earlier than the treated plants. The uptake of N by the plant decreased with increasing levels of Ca & Ms There was an increase in the N content of leaves after the incidence of the dsease. The present studies have indicated that the CaO-)-MgO/K2O in the plant tissue exerts some influence on the resistance of the tissue to infection by the Bunchy top virus.
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    Influence of age of seedlings, spacing & time of application of nitrogen on the yield of rice var I. R. 8
    (Kerala Agricultural University, 1977) Panikar, R S; Balakrishna Pillai, P; Chandrasekharan, P
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    Effect of N, P and K on the yield of cowpea, variety P118
    (Kerala Agricultural University, 1979) Mohan Kumar, B; Balakrishna Pillai, P
    An experiment was conducted at the Instructional Farm of the College of Horticulture, Vellanikkara to study the effect of different levels of N, P and K on the yield of cowpea variety P-118. Nitrogen at 21.6 kg/ha was found to be the optimum level for maximum grain production. Optimum level of P could not be estimated since the crop exhibited a linear response beyond the maximum level tried. Applied K did not exhibit any significant influence on the yield components indicating the adequacy or soil supplies of the nutrient.
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    Climatic water balances of Kerala
    (Kerala Agricultural University, 1982) Prasada Rao, G S L H V; Balakrishna Pillai, P
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    Effect of N, P and K on the growth and yield of chilli, variety pant C1
    (Kerala Agricultural University, 1985) Joseph, P A; Balakrishna Pillai, P
    An experiment was conducted at the Instructional Farm of the College of Horticulture, Vellanikkara to study th-j effect of different levels of N, P and K on the yield of chilli variety, Pant C1 during rainfed and irrigated seasons. The most economic levels of N, P_05 and K.,O were found to bs 92:52:39 and 90:52:26 kg/ha respectively for the rainfed and irrigated chilli crops. By spending an additional cost of Rs. 16.36 on two kg N and 4 kg K.,0 for the cultivation of chilli during the rainfed season compared to the cost of cultivation of chilli during irrigated season, an additional income of Rs. 3798 could be obtained. Cultivation of chilli variety Pant C1 is thus highly profitable during the rainfed season from May to September compared to the irrigated crop from November to February.
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    Weed control in wetland rice in the high ranges of Wynad
    (Kerala Agricultural University, 1993) Sansamma George; Aipe, K C; Susamma P George; Pillai, G R; Balakrishna Pillai, P
    A field investigation was carried out at the Regional Agricultural Research Station, Ambalavayal, Wynad, Kerala for evaluating some of the herbicides for weed control in rice and also to standardise the best time of hand weeding for rice in Wynad. Four herbicides, alone and in different combinations and also two different time of hand weeding were compared. The results indicated that use of herbicides for weed control in rice was economically advantageous for the high ranges of Wynad. Though not statistically significant, hand weeding on 30th and 60th days after transplanting (DA I) was found superior to hand weeding at 20th and 40th DAT both in terms of weed control and yield.
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    Effect of sulphur in preventing the occurrence of chlorosis in paddy seedlings
    (Kerala Agricultural University, 1974) Balakrishna Pillai, P; Singh, H G