National Repository of Grey Literature 58 records found  beginprevious41 - 50next  jump to record: Search took 0.00 seconds. 
Uplatnění fosforu a draslíku na výnos a kvalitu kukuřice seté
Maňásek, Josef
Over the past 20 years the approach to fertilisation of most of the crops on agricultural land has changed considerably. Complex nutrition has unfortunately gradually changed into one-sided nitrogen fertilisation; to a very limited extent also applying phosphorus and potassium. Other macro-nutrients are usually used for fertilisation only very sporadically and on a long-term basis only more deepening the deficit of nutrients in the soil and decreasing the soil reaction (pH).
The nitrogen in nutrition and fertilization of selected potato variety
SVOBODA, Lukáš
This thesis deals with a reactions of potato variety Princess at different levels of fertilization. The aim was to compare the effect of alone nitrogen and its combination with phosphorus and potassium on tuber yield and its composition, dry matter content and starch.
The methodics of plant nutrition and fertilization by potassium
Kunzová, Eva
The methodics inform about situation in plant nutrition and fertilization by potassium on arable soil in Czech Republic. Methodics is found on utilize analytical procedure for determination of content available potassium (Mehlich 3), whose it is possible subsequently use for calculation optimal fertilization.
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