现有枣树栽培品种性状各有不足，而且退化现象严重。
The character of date tree cultivar at present has different deficiency, and degeneration is serious.
结果表明，在沙漠边缘地区，采用密植栽培、增大施肥量是实现枣树早期丰产和显著提高经济效益的有效途径。
The study results show that it is a efficient way to attain early abundant yield and to enhance economic effect by increasing quantity of fertilizer.
结果表明，在沙漠边缘地区，采用密植栽培、增大施肥量是实现枣树早期丰产和显著提高经济效益的有效途径。
The study results show that it is a efficient way to attain early abundant yield and to enhance economic effect by increasing quantity of fertilizer.
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