Titlebook: Effects of Crop Rotation on Potato Production in the Temperate Zones; Proceedings of the I J. Vos,C. D. Loon,G. J. Bollen Conference procee

生氣的邊緣

CEDE

P. Neyret,D. Dejour,D. Ait Si Selmige in late fall often result in soil compaction which affects potato development the next year. A case study is discussed for 1976 which considers effects of a compacted surface soil, and a compact ploughpan on the soil water regime and potato growth in a sandy loam soil. Comparison with yields of a

孤僻

緩解

憎惡

Instantaneous

Das politische Organisationsfeldthe potato cyst nematodes, . and .. Of the non-cyst nematodes (NCN), the potato rot (.), root-lesion (.), root-knot (. spp.) and stubby-root (. and . spp.) nematodes are most important. Literature on NCN problems in potato production, of which the occurrence or effect depends on crop rotation system

aquatic

nonchalance

engrave

CARE