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Effect of Keza 1 soybean interplanted in young loquat orchard
JIANG Ji-mou, ZHENG Shao-quan, LIU You-jie, XU Shu-chuan
2000, 29(04):
5-8.
Soil fertility was significantly improved when Keza 1 soybeans were interplanted in the young loquat orchard. Rapidly available phosphorus in soil increased from trace to 18.27mg/kg, total phosphorus and rapidly available potassium increased by 260.0% and 183.6%, organic matter, total potassium, total nitrogen and rapidly available nitrogen increased by about 40%, respectively. The results also showed that under-crop sowing improved the tree nutrition and promoted the tree growth. The contents of nitrogen, phosphorus, potassium, calcium and magnesium in leaves increased by 9% and above, the crown diameters, shoot number and the percentage of head sprouting increased by 27.3%, 57.7% and 86.8%, respectively. The quality of fruit also improved after under-crop sowing.
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