论文部分内容阅读
地膜西瓜生长后期由于脱肥、坐瓜早、失墒、病害、日灼等原因,往往出现早衰,应针对不同情况采取相应的措施。一、及时补肥西瓜长到鸡蛋大小时,亩追尿素40公斤、磷酸二氢钾5公斤,以水送肥。以后可根据植株长势,再追肥1次或喷叶面肥2～3次,可选用尿素与磷酸
Membrane watermelon growth late due to off fat, sitting melon early, loss of moisture, disease, sunburn and other reasons, often premature aging, should take appropriate measures for different situations. First, the timely replenishment of watermelon grow egg size, mu chase urea 40 kilograms, potassium dihydrogen phosphate 5 kilograms, with water to fat. After the plant grows according to the situation, then topdressing 1 or foliar fertilizer 2 to 3 times, you can choose urea and phosphoric acid