The watermelon plant covers a large area. Within a certain range, if the planting density increases, the yield will increase accordingly, but the weight of the watermelon will begin to decline. When the density is too high, the sugar content of the watermelon decreases, and the acidity increases. This is because excessive density causes poor ventilation and light transmission, which may affect photosynthesis. However, if the density is too small, although the weight of a single fruit increases, the total yield is not ideal. Therefore, in order to achieve high quality and high yield, it is necessary to reasonably control the planting density.
Reasonable planting density depends on the variety, cultivation method, soil fertility, pruning methods, etc. In general, for early maturing varieties and weakly growing varieties, the planting density should be greater, with about 900 plants per acre being appropriate; for medium and late maturing and strong growing varieties, the density should be smaller, with about 800 plants per acre being appropriate. . The same species, early maturing cultivation can be properly dense planting, late-maturing cultivation should be adapted to sparse planting; multi-vine pruning appropriate sparse planting, single vine pruning suitable close planting; poor soil fertility appropriate sparse, better fertility suitable close planting.
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