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Item Performance of groundnut varieties in rice fallows under irrigated conditions(Kerala Agricultural University, 1982) Jose Mathew; Thomas, A I; Pillai, G R; Kuruvilla VargheseItem Studies on the comparative effect of pitcher irrigation and pot watering in cucumber(Kerala Agricultural University, 1982) Balakumaran, K N; Jose Mathew; Pillai, G R; Kuruvilla VargheseItem Response of amorphophallus to irrigation and mulching(Kerala Agricultural University, 1988) Jose Mathew; Kuruvilla Varghese; Pillai, G R; Santhakumari, GA 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.Item 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 IItem 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 VargheseAfield 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.Item Response of winter rice to different water regimes and nitrogen levels(Kerala Agricultural University, 1990) Jose Mathew; Kuruvilla Varghese; Pillai, G R; Santhakumari, GA sutudy was conducted at the Agrnomic Research Station, Chalakudy for three consecutive winter (second crop) seasons from 1983-84 to 1985-86 to study the effect of different water regimes and nitrogen levels on the growhth and yield of short duration rice variety Triveni. Four water regimes (continuous submergence of 5±2 cm and 7