Soderzhanie osnovnykh ehlementov mineral' nogo pitaniya v pochve i list' yakh pri raznoj plotnosti razmeshcheniya derev' ev yabloni.
1993
Kuznetsova I.B. | Khromenko V.V.
During annual application of mineral fertilizers doses in thin apple tree plantations content of nitrogen and phosphorus in leaves was not lower than optimal value at the increase of plantation density up to 1000 trees/hec. Content of potassium in leaves was lower than optimal level content of exchange potassium in soil and depended on the crown light value more than content of nitrogen and phosphorus.
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