Vol. 91 No. 1-3 Jan - March 2004

CONTENTS

RESEARCH ARTICLES

Studies on milling outturn of paddy varieties using rubber roll sheller

- P. Rajkumar, N. Varadharaju and V.V. Sreenarayanan

1

Bio-mechanical analysis on selected agricultural hand tools

- G. Senthil kumaran, V.J.F. Kumar and C. Divaker Durairaj

5

Studies on locating moisture sensor for automatic regulation of furrow irrigation systems

- A.C. Mathew and S. Senthilvel

10

Evaluation of different filter materials used in drip irrigation systems

- K. Arunadevi and O. Padmakumari

15

Design and performance of paired row drip irrigation system on yield attributes of cotton

- I. Muthuchamy and K. Subramanian

19

Polysaccharide and its component sugars from natural soil aggregates

- V. Gomathi and K. Ramasamy

23

Marketing efficiency of major vegetables in central vegetable market of Madurai

-T. Elenchezhian and S. Kombairaju

27

Influence of integrated management of irrigation, composted coirpith and nutrients on the relative leaf water
content, transpiration rate and yield of soybean (Glycine max L. Merrill)

- N.K. Prabhakaran and A. Christopher Lourduraj

32

Productivity and economics of on-farm rainfed rabi crops in rice based cropping system under different
moisture conservation practices

- R.S. Tripathi, H.L. Sonboir, N. Pandey, Manish Kumar and D. Pandey

39

Studies on the screening of rice accessions and its yield attributes contributing to salinity tolerance

- S.K. Natarajan, M. Ganapathy, S. Thiruvarasan, V. Thirumurugan and A. Veeramani

42

Response of rainfed wheat to sowing methods and seed rate under diara land condition

- S.K.Tomar

47

Rate and timing of nitrogen and potassium fertilization on yield and quality of banana cv.poovan

- S. Meena and E. Somasundaram

52

Effect of irrigation and sulphur on growth and productivity of summer sesame (Sesamum indicum L.)

- B.K. Saren, S.Tudu and P. Nandi

56

Genetic variability, character association and path coefficient analysis in soybean

- K. Ganesamurthy and P. Seshadri

61

Genetic analysis and character association in F2 generation of rice

- Ch.S.Raju, M.V.B.Rao and A.Sudarshanam

66

Combining ability studies for yield and yield components over environments in American cotton (G. hirsutum L.)

- A. Narisi Reddy and A. Satyanarayana

70

Studies on induced chlorophyll mutation in sesame (Sesamum indicum L.)

- A. Sheeba, S.M. Ibrahim, P. Yogameenakshi and S. Babu

75

Studies on combining ability and heterosis for yield and yield components in greengram (Vigna radiata (L.)
Wilczek)

- J. Anbumalarmathi, P. Rangasamy and S. Babu

79

Correlation and path analysis of physiological characters in greengram under moisture stress in vegetative
stage

- A. Anderson Amalan Kumar

83

Genotypic variations on the efficiency of crop absorbed nitrogen in transplanted rice

- P. Janaki and T.M. Thiyagarajan

86

Effect of plant growth regulators on yield and quality of greengram (Vigna radiata L. Wilczek) under graded
levels of nitrogen

- N. Senthil Kumar and R. Jayakumar

92

Relative efficiency of Jhabua rock phosphate with super phosphate, farmyard manure and phosphobacteria
on available nutrients and heavy metals content in soil under rice

- M. Malarkodi and P. Singaram

96

Humic acid and fertilizers on nutrition of rice in an Alfisol and Inceptisol

- K. Sathya Bama, G. Selvakumari, R. Natesan and P. Singaram

100

Studies on factors affecting the dissolution of low grade rock phosphates in rice soils

- D. Selvi, S. Mahimairaja, P. Santhy and B. Rajkannan

109

Response of rainfed blackgram to phosphorus and potassium nutrition with composted coirpith

- R. Saraswathy, P. Singaram and R. Krishnasamy

113

Adoption of potato production technologies by tribal farmers

- G. Selvarani and M. Manoharan

117

Bioefficacy of imidacloprid against leafhopper on sunflower

- G. Santharam, D. Sivaveerapandian, K. Ramesh Babu and S. Kuttalam

120

Influence of composted bagassepith and treated paper mill effluent irrigation on groundnut

- C. Udayasoorian, P.C. Prabu and K. Mini

126

Identification of critical sterility temperature (CST) and thermo sensitive stage in selected TGMS lines in rice
(Oryza sativa L.)

- A. Senthil, R. Chandrababu and M.K. Kalarani

130

Effect of seed treatments and containers on the maintenance of germination and seedling vigour of COPH 2
pigeonpea hybrid and its parental seeds in storage

- K. Parameswari, K. Vanangamudi and S. Kavitha

135

Research notes

Intensive evaluation of power operated groundnut decorticator

- V.Thirupathi, R.Viswanathan and K.Thangavel

140

Response of rice (ASD 16) seedlings to inoculation of acid tolerant cyanobacterial mutants

- G. Gopalaswamy and S. Malathy

142

Influence of organic manures, biofertilizers and plant density on growth, yield and alkaloid content of
bhumyamalaki (Phyllanthus amarus Schum. and Thonn.)

- N. Chezhiyan and S. Saraswathy

144

Studies on variability in reproductive characters of watermelon (Cirtullus lanatus (Thumb) Mastum & Nakai)

- S. Shanthi Priya, N. Chezhiyan, A. Ramar and S. Saraswathy

148

Effect of organic mulches on the weed control efficiency in sugarcane

 - M. Jayachandran, G. Sudhakar and S. Giridharan

150

Identification of efficient cropping zones for important crops grown in Tamil Nadu

- N. Thavaprakash

152

Heterosis studies in soybean (Glycine max (L.) Merrill

- K. Ganesamurthy and P. Seshadri

155

Sahyadri -a promising rice hybrid of India

- J.L.Mehta, V.N.Deshpande, V.V.Dalvi, V.W.Bendale and R.L.Kunkerkar

158

Effect of foliar nutrition on grain yield of rice fallow blackgram

- S. Ramanathan, K. Natarajan and P. Stalin

160

Transformation of added P into inorganic P fraction in soils of Gujarat

- M.S. Jakasaniya and B.S. Trivedi

163

Resistance of double haploid rice lines to brown plant hopper Nilaparvata lugens (Stal)

- R.P. Soundararajan, K. Gunathilagaraj, M. Maheswaran and N. Chitra

168

Bhendi (Abelmoschus esculentus (L.) Moench) seed storability as influenced by the soil type and season

- A. Vijayakumar

171