苹果苗木促分枝操作方法初稿2016
苹果大苗繁育圃施肥方案
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Keeping Under Cover The Ideal Look of an Orchard Floor - Fruit Growers News
Orchard ground covers Good Fruit Grower
Cover Crops for Orchards
Orchard-Floor mangenment for fruit trees
地布使用成本核算（和化学除草、人工除草相比）
Cover crops impact on soil quality and crop yield
《节水灌溉技术规范（SL207—98）》分总则、工程规划、灌溉水源、灌溉用水量、灌溉水的利用系数、工程与措施的技术要求、效益、节水灌溉面积，共8章40条和2个附录。
