Research results of repeated spring barley growing for 3 successive years

Macuhova, K.

Vedecke Prace Vyskumneho Ustavu Rastlinnej Vyroby v Piestanoch 14: 109-120


Accession: 006318898

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Due to concentration and specialization of plant production, representation of cereals in sowing structure in many farms in Czechoslovakia amounts to more than 50% with multi-year repeated growing yielding high crops per hectare. Experiments on degraded black soils of a maize production area were initiated in 1971-1974 in order to study monocultural growing of spring barley. Two variants of organic manuring and 2 levels of N-nutrition at equal doses of P and K were introduced to eliminate harmful effects of repeated growing. No essential differences were found between crops of both varieties of barley on the average of 3 experimental years. The barley crop increased 4.2% due to green manuring with straw when compared with the control, and 3.4% due to stable dung.