Sökning: "klorofyllmätare"

Hittade 2 uppsatser innehållade ordet klorofyllmätare.

  1. 1. Möjligheter att förutsäga kvävegödslingsbehov i höstvete med Yara N-tester

    Uppsats för yrkesexamina på avancerad nivå, SLU/Dept. of Soil and Environment

    Författare :David Larsson; [2012]
    Nyckelord :N-Tester; klorofyllmätare; kvävegödsling; höstvete; precisionsodling;

    Sammanfattning : The Yara N-Tester is a handheld chlorophyll meter which can be used in several different crops as an aid to determine if there is a need of complementary fertilization with nitrogen (N) or not. If the crop requires more N the N-Tester will recommend an amount in kg per ha. LÄS MER

  3. 2. Effect of irrigation and nitrogen treatments on yield, quality, plant nitrogen uptake and soil nitrogen status and the evaluation of sap test, SPAD chlorophyll meter and Dualex to monitor nitrogen status in broccoli

    L3-uppsats, SLU/Horticulture

    Författare :Rickard Mellgren; [2008]
    Nyckelord :broccoli; Brassica oleracea ssp italica; nitrogen; irrigation; leaching; yield; hollow stem; plant uptake; sap test; SPAD; Dualex;

    Sammanfattning : Broccoli (Brassica oleracea L. ssp. italica) is a crop benefiting greatly from nitrogen fertilization and the risk of leaching to groundwater is high. Nine N fertilizer treatments, from 0 to 225 kg N/ha and two irrigation treatments, irrigated and non-irrigated, were arranged in a split-plot design. LÄS MER