poor yields, hence there is need to identify cropping systems that have potential to reduce weed pressure while improving … crop yields. Conservation agriculture has been suggested as one of these farming systems. The implementation of CA three … key principles reduces weed pressure even when the use of herbicides is minimised. Crops included in crop rotations …

accumulated in monocropping systems (ContRK8, ContKM10) and was consistently lower in the grass-tobacco rotations.  This indicated …In this study we examined the impact on soil C, total soil N and available P of six rotations namely: long season …, Zimbabwe. Soil samples were taken from 0- to 15-cm deep, after each season.  After 9 years, tobacco-grass rotations showed …

created. The method is based on the principally new approach-spinor representation of the spatial generalized rotations. One …) coordinate system and does not require a set of different (relative) coordinate systems. It provides easy, reliable and efficient …

-spinor representation of the spatial generalized rotations. And provides easy, reliable and efficient way of solution of inverse kinematics …

poor yields, hence there is need to identify cropping systems that have potential to reduce weed pressure while improving … crop yields. Conservation agriculture has been suggested as one of these farming systems. The implementation of CA three … key principles reduces weed pressure even when the use of herbicides is minimised. Crops included in crop rotations …

accumulated in monocropping systems (ContRK8, ContKM10) and was consistently lower in the grass-tobacco rotations. This indicated …In this study we examined the impact on soil C, total soil N and available P of six rotations namely: long season …, Zimbabwe. Soil samples were taken from 0- to 15-cm deep, after each season. After 9 years, tobacco-grass rotations showed …