. . . . . . . . "Grass , which is sown with clover , provides rich pasture for cattle in summer and the clover is another plant which puts nitrogen into the soil ."@en . . . . . . . "Cause" . . . . "MJE" . . . . "Grass , which is sown with clover , provides rich pasture for cattle in summer and the clover is another plant which puts nitrogen into the soil ."^^ . "2001-09-18T14:29:11+02:00"^^ . "Cause" . "1975"^^ . . "Cause"^^ . "Grass , which is sown with clover , provides rich pasture for cattle in summer and the clover is another plant which puts nitrogen into the soil ."@en . "Cause" . "Core"^^ . "Core" . . . . . . . . . . .