Crop Productionand related aspects to address
Dr.D.Jawahar,Professor and Head,
Agricultural Research Station,Kovilpatti-628501
Soils are different
• Soils at a distance of one foot are different
• Black soil, Red soil, Laterite soil
• Variations in clay, silt and sand
• WHC, CEC, pH,EC
Seed availability
• Seeds with genetic purity and physical purity
• Germination• Availability at right time• Availability at right quantity• Seed production• Class of seed• Seed storage
Soil fertility
• 12.5 t/ha
• OC
• N,P,K,Ca,Mg, S, Fe,Zn,Mn,Cu
Soil conservation
• Erosion– Wind
• Conduction• Convection• Surface creep
– Water• Rill• Sheet• Gully
Weeds
• Perennial weeds
• Annual weeds
• Weed control– Manual
• Labour availability
– Chemical• Pre emergence• Post emergence
Labour availability
• Preparatory cultivation
• Sowing
• Weeding
• Plant Protection
• Harvest – Labour saving implements
Post harvest processing
• Seed storage
• Preserving seed
Profit maximisation
• Mixed cropping
• Intercropping
• Organic cultivation
• Moth bean
Moth bean/Dew gram
• TMV(Mb1)• Vigna aconitifolia• Bushy, runner type• Soil friendly• Cumbu mixture crop-24.8% protein- next to soy bean• Pod setting in Rabi• 930 kg/ha -65-70 days- uniform maturity• 6 kg/Ac – 30 X10 cm• Rs.60/kg sale price• Multipurpose –F3