Flowers as green manure crop.Red Clover is a legume and suitable for all soil types. It is a somewhat coarser clover with sturdy upright stalks, large leaves and deep roots, so the soil structure can recover well. Wen tilled, red clover is a highly productive green manure crop because it yields a great deal of fresh mass. Sowing time: March-July. Sowing depth: 1-1.5 cm. Height: 50-60 cm. 150 grams is suitable for 60m2.