Claim · model-written summary
Graduated N doses increased the number of ears per m2 in cereals.
Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingValueQualifier
Verbatim
e7“Graduated N doses increased in cereals the numbers of ears per m2, but the mass of 1000 grains mostly decreased”
Title
F. Vrkoč; M. Vach; V. Veleta; et al. Plant Soil and Environment 2002. doi:10.17221/4228-pse
Other claims from this paper (16)
- Association N fertilization had a statistically significant impact on winter wheat yields after potatoes.
- Association Different organic fertilization had no significant impact on winter wheat yields after potatoes.
- Intervention effect N doses up to 120 kg.ha-1 after potatoes were optimal for winter wheat yields and quality.
- Intervention effect The situation was similar for winter barley: N doses up to 120 kg.ha-1 were optimal for yields and quality.
- Observation Straw yields of both cereals showed analogical results across individual years.
- Intervention effect The highest N dose to potatoes (200 kg.ha-1) gave the highest tuber yields.
- Intervention effect The highest N dose to potatoes (200 kg.ha-1) significantly lowered starch content.
- Intervention effect Graduated N doses mostly decreased the mass of 1000 grains in cereals.
- Intervention effect N content in grain and straw increased with N doses.
- Observation Soil pH decreased annually by 0.1 to 0.4 under the N doses tested.
- Observation Without organic fertilization, the N balance was equilibrated with an annual application of 120 kg N.ha-1.
- Observation With stall dung to potatoes at 70 kg N.ha-1, the N balance was equilibrated.
- Observation Without N fertilization, the P and K balance was passive on plots without organic fertilization.
- Observation A balance surplus was obtained with 15 kg P.ha-1 and 83 kg K.ha-1 per year together with organic fertilization.
- Intervention effect P and K content in soil increased annually by 1 to 3 mg.kg-1 with stall dung applied every three years.
- Observation Maximum crop growing profitability was reached with fertilizer doses that also gave an equilibrated nutrient balance.