Fertilizer technology after the lack of strawberries

Strawberry deficiency symptoms, in different stages of growth, the performance is not the same, then how to fertilize the strawberry after the lack of it? Here to tell you about fertilization techniques after the lack of strawberries.

Strawberry

The external morphology of nitrogen deficiency changes with leaf age and nitrogen deficiency. Young or immature leaves, when nitrogen is not enough, the leaves are greener, and the leaves of vigorous growth turn from green fading to yellowing. Petiole and calyx were reddish, leaf serrated reddish, developed from the outside to the inside, and some whole leaves were bright red or orange, fruit, light taste. Phosphorus deficiency plant leaves smaller, dark green leaves, slow growth, flowers, fruits than the normal growth of strawberries to be small, occasional albino fruit.

Severe phosphorus deficiency of strawberries, some plants appear black leaves, shiny, the lower part of the leaves for the light red to purple. Leaves of potassium-deficient plants appear dark brown and dry at the edges, some develop into burns, others develop toward the center of most leaf veins, and some darken from leaves to petioles and become dry or necrotic, with dark fruit color Soft texture, light taste. Calcareous plant root hair less, slow growth, leaf coke disease occurs frequently in the reproductive process, the performance of the symptoms of leaf folds, leaves chlorotic green, pale green or yellowish leaves boundaries, diseased leaves petiole brown spots , Often syrupy drops overflow, the lower leaves turn from light green yellow and then dry.

Strawberry lack of fertilizers after fertilization

In view of the above analysis of the symptoms of strawberry deficiency, in order to improve strawberry yield and quality, the application of fertilizer, to take the following measures.

Attention should be paid to soil balance fertilizer demand of potassium is the largest, followed by nitrogen and phosphorus, the third is calcium, of course, also need to trace elements, the implementation of protected cultivation, the demand for nitrogen, phosphorus and potassium ratio of 1.7: 1: 2.2 , The implementation of open cultivation, the demand for nitrogen, phosphorus and potassium ratio of 2.9: 1: 3.9, two types of cultivation methods are reflected in high sensitivity to potash, therefore, in balanced fertilization, this should be used as a reference .

To use organic fertilizer as a base Strawberry longer growing period, high yield, high market demand for quality, the use of fertilizer, should be used to decompose the farmyard manure, barn, human excreta-based, 4000- 5000 kilograms, or cake fat 50-75 kilograms, with compound fertilizer 15 kilograms or bio-organic fertilizer 50-75 kilograms, with compound fertilizer 10-15 kilograms. Acid soil should be increased calcium, lime or plaster per acre 100 kg or so.

Fertilizer technology after the lack of strawberries

To look at the top dressing seedlings of strawberries on inorganic nutrition demanding, before the first flowering, should be chasing multiple compound fertilizer 10-15 kilograms, nitrogen deficiency and then recover about 5 kilograms of urea or human excrement 250-300 Kg, topdressing phosphate over calcium phosphate 10-15 kilograms, topdressing potassium potassium 7.5-10 kg. Another root can spray 0.2% -0.3% potassium dihydrogen phosphate solution 2-3 times.

The above is the introduction of strawberries after the introduction of fertilization technology, strawberry planting friends, you can refer to the above fertilization methods, strawberries in the absence of symptoms, timely manner for processing.