Browsing by Author "Jose Mathew"

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Comparative yield potential of cowpea varieties in summer rice fallows under irrigated conditions
(Kerala Agricultural University, 1983) Jose Mathew; Kuruvilla Varghese; Balakumaran, K N; Thomas, A I
Concurrent growing of green manure crops in dry and wet seeded rice
(Department of Agronomy, College of Horticulture, Vellanikkara, 2008) Anitha, S; Jose Mathew
Effect of irrigation and mulching oh the growth and yield of pineapple (Ananas Comosus L.)
(Kerala Agricultural University, 1988) Kuruvilla Varughese; Pillai, G R; Jose Mathew; Santhakumari, G; Gopi, C S
A field experiment was conducted in a sandy loam soil of the Agronomic Research Station, Chalakudy, Kerala for four years from 1981 to 1985 to study the response of irrigation and mulching on tha growth and yield of pineapple. Both irrigation and mulching influenced the fruit yield significantly. The study revealed that irrigating pineapple during summer months at 0.6 IW/CPE ratio (5 cm depth of water) and mulching the crop with dry leaves @6000 kg/ha was optimum. It requires fivato six irrigations during the dry months at an interval of 22 days.
Effect of leaf area on tuber yield of irrigated tapioca
(Kerala Agricultural University, 1982) Sushama, P K; Pillai, G R; George, T P; Jose Mathew
Effect of seed hardening on establishment, growth and productivity of semi-dry rice
(Department of Agronomy, College of Horticulture, Vellanikkara, 2001) Mohanasarida, K; Jose Mathew
Efficacy of silicon and potassium in the amelioration of iron in rice culture
(Department of Agronomy, College of Horticulture, Vellanikkara, 2000) Lakshmikanthan, K; Jose Mathew
Evaluation of different methods for reducing percolation loss of water in rice fields
(Kerala Agricultural University, 1983) George, T P; Balakumaran, K N; Jose Mathew; Sushama, P K; Pillai, G R; Kuruvilla Varghese
Afield experiment was conducted in a sandy loam soil of the Agronomic Research Station, Chalakudy for five years (1974-'80 to study the efficiency of puddling with different implements (power tiller, country plough and wetland puddler), soil dressing with lateritic,loam and sub-soil compaction at 30 cm depth in reducing percolation loss in rice fields. The study showed that these methods neither effectively reduced the water loss nor influenced the grain yield.
Improving nutrient use efficiency in rice through coating of fertilizers
(Department of Agronomy, College of Horticulture, Vellenikkara, 1999) Divya, U K; Jose Mathew
Influence of a plant growth promoter in transplanted lowland rice
(Kerala Agricultural University, 1995) Jose Mathew; Rajan, K M
Influence of summer cropping and fallowing on fertilizer use efficiency and productivity of rice
(Kerala Agricultural University, 1996) Jose Mathew; Reena Mathew; Kuruvilla Varughese; Santhakumari, G; Pillai, G R
Integrated nutrient management for long duration brinjal (Solanum melongena L.)
(Department of Agronomy, College of Horticulture, Vellanikkara, 2003) Karmachandran, K M; Jose Mathew
An investigation on integrated nutrient management for long duration brinjal was conducted at College of Horticulture, Kerala Agricultural University, Thrissur during 2000-2003. The preliminary evaluation revealed the extended duration and superiority of Haritha in respect of yield components, yield and storage qualities in comparison to other ruling varieties ofbrinjal. Among the seven organic sources tested, vermicompost, poultry manure and FYM recorded increased production of fruits at more than one stage of fruiting and were comparable even to inorganic sources and package of practices recommendations. Coir pith compost recorded the poorest performance regarding dry matter production, yield and fruit quality. Majority of the organic manures especially vermicompost, FYM and poultry manure recorded enhanced content of major nutrients in plant and enhanced dry matter production and fruit quality. Poultry manure was found to record increased uptake ofN, P, K and Ca, whereas high content and uptake of-S in plants have been recorded by vermicompost. In respect of inorganic fertilizers, it was revealed that 100 per cent N (75 kg ha-I) had recorded the maximum uptake ofN, P and K and dry matter partitioning leading to increased yield in long duration brinjal. Increasing K levels in general did not enhance the content and uptake of major nutrients. But increasing K levels improved uptake at fruiting stage significantly improving fruit yield at early fruiting stage. It also marginally increased number of fruits and fruit yield at other stages of fruiting. The content and uptake of Ca, Mg and S were significantly increased at increased level ofK particularly 300 per cent (75 kg ha"). Regarding application timings of inorganic N and K, it was found that frequent application was required only during active growth stage of brinjal. Monthly application schedule significantly improved dry matter partitioning, yield and quality of fruits. Fortnightly application schedule was not advantageous in growth and yield attributes, yield, fruit quality, nutrient content, nutrient uptake and cost of cultivation. Among the three levels of substitution of nutrient doses with organic sources, 75 per cent organic substitution was superior in yield and quality of fruits which was facilitated by improved uptake of major and secondary nutrients, dry matter production and yield attributes. The increased proportion of organic manures generally decreased the content of Fe and Mn in plants. The status of available N in soil was significantly increased by the application of higher proportion of organic manures especially FYM, poultry manure and vermicompost.
Integration of organic and inorganic nutrient sources in transplanted lowland rice
(Kerala Agricultural University, 1994) Jose Mathew; Bridgit, T K; Kamalam Joseph
Inter-seasonal stability of high yielding rice genotypes
(Kerala Agricultural University, 1995) Elsy, C R; Rosamma, C A; Jose Mathew
Irrigation and mulching in nendran banana
(Kerala Agricultural University, 1989) Pillai, G R; Kuruvilla Varughese; Jose Mathew; Santhakumari, G
Irrigation management on yield stabilization and annual productivity of coconut
(Kerala Agricultural University, 1996) Jose Mathew; Piilai, G R; Santhakumari, G; Kuruvilla Varughese
The impact of irrigation water management, with the treatments linked to climatic parameters, in coconut on inter-harvest yield variation and annual productivity was studied in a five-year field experiment.Yields got stabilized with adequate irrigation showing minimum fluctuation among harvests during different periods of the year.The data on per cent contribution of individual harvests, standard deviation, yield range between harvests and coefficient of variation clearly supported this argument. Based on yield trends and irrigation water consumption, irrigation at 50 mm CPE with 50 mm water was suggested as the best schedule for irrigating coconut during dry spell.
Mineralisation pattern of applied urea in rice soils
(Kerala Agricultural University, 1993) Anilakumar, K; Rajaram, K P; Johnkutty, I; Jose Mathew
A laboratory incubation study was conducted to find out the pattern of transformation and mineralisation of applied urea under submerged condition in the three major rice soils of Kerala. The hydrolysis of urea to ammonium was influenced by the soil reaction and organic matter content. The formation of oxidised N products like nitrate and nitrite was meagre due to lack of adequate oxygen to carry out the process of nitrification. This avoided the chances of N loss through denitrificalion in the waterlogged rice soils.
Nutrient requirement of rice under Koottumundakan system
(Kerala Agricultural University, 1994) Bridgit, T K; Jose Mathew; Kamalam Joseph
Optimising the irrigation water requirement of cassava
(Kerala Agricultural University, 1988) Jose Mathew; Kuruvilla Varughese; Pillai, G R; Santhakumari, G
A two year study was undertaken at the'Agronomic Research Station, Chalakudy during 1982-'83 and 1983-'84 to formulate a suitable water management schedule which optimises the irrigation water requirement of cassava planted during November- December months. Tha trial consisted of 12 irrigation treatments (unirrigated and irrigated at 75 mm and 100mm CPE, through all furrows and alternate furrows and with varying quantities of irrigation water (Recommended (50 mm) and its 3/4 and 1/2 depths) in different combinations. Two treatments having the added advantages of economy in water and labour viz., (i) All furrow irrigation with 1 /2 water (25 mm) at 100 mm CPE and (ii) Alternate furrow irrigation alternatively with 25 mm water at 75 mm CPE were identified, the first schedule approximately requires seven irrigations at an interval of 27 days whereas thjsacond schedule requires nine irrigations at an interval of 20 days.
Performance of groundnut varieties in rice fallows under irrigated conditions
(Kerala Agricultural University, 1982) Jose Mathew; Thomas, A I; Pillai, G R; Kuruvilla Varghese
Response of amorphophallus to irrigation and mulching
(Kerala Agricultural University, 1988) Jose Mathew; Kuruvilla Varghese; Pillai, G R; Santhakumari, G
A study was undertaken in the sandy loam soil of the Agronomic Research Station, Chalakudy during 1933-'84 and 1984'85 to know the response of December January planted amorphophallus to irrigation and mulching. Four irrigation (no irrigation and irrigation at 0.3, 0.6 and 0.9 IW/CPE ratios) and four mulching (no mulching and mulching with dried leaves, paddy waste end coir dust) in factorial combinations constituted the treatments. From the results of the study, it was found that amorphophallus planted in December-January has to be irrigated at 0.9 IW/CPE ratio with 50 mm wator through furrows in summer season for higher corm production. It requires about 10 irrigations at an approximate interval of 12 days in non-rainy periods. The study also revealed the importance of mulching with organic waste materials like dried leaves, paddy wasta and coir dust in boosting corm yield in irrigated amorphophallus.