Посадка молодых деревьев

Это необходимо потому, что парниковая атмосфера замедляет одревеснение, и травовидный саженец, не прошедший промежуточную стадию закаливания, быстро пересыхает в обычных условиях. Для роста деревьев необходимо, чтобы их корни развивались в соответствии с ростом ствола. Корневая система дерева занимает довольно значительный объем и пронизывает несколько почвенных горизонтов. Следовательно, почва должна быть влажной, теплой и не содержать горизонтов, непроницаемых для корней (алиосов) или же гидроморфных (глей и псевдоглей).

Для улучшения условий произрастания саженцев посадка подвергается равную силу в решении вопросов финансирования. Критики проекта полагают также, что создание космической станции было задумано с целью оправдать разработку космического корабля «Спейс шаттл», который оказался неэкономичным в качестве аппарата для запуска спутников; по планам же НАСА, «Спейс шаттл» будет доставлять людей и грузы на космическую станцию и обратно.

Ответственные работники НАСА утверждают, что решение о создании космической станции не будет препятствовать осуществлению программы запуска непилотируемых аппаратов. Они подчеркивают, что начиная с середины 60-х годов финансирование космических исследований составляет постоянную долю бюджета НАСА. Это означает, говорят они, что любое увеличение бюджета НАСА влечет за собой соответствующее увеличение средств, выделяемых на космические исследования.

Дж. Вэн Аллен из Университета шт. Айова выступает против дорогостоящих программ изучения космического пространства. Вэн Аллен — известный ученый в области исследования атмосферы на больших высотах с помощью ракет, спутников и космических зондов. Ему принадлежит открытие поясов, названных его именем. Ученый отмечает, что другие, менее «заметные» научные учреждения, например Геологическое управление США, сумели провести весьма удачные научные работы в космосе. Вэн Аллен также не согласен с утверждением НАСА о том, что затраты на разработку непилотируемых аппаратов росли пропорционально увеличению расходов на создание пилотируемых аппаратов. Он и другие ученые указывают, что в результате превышения запланированных расходов на создание «Спейс шаттл» в конце 70-х годов финансирование некоторых программ было значительно сокращено. Вэн Аллен напоминает также о том, что еще в 198! г. федеральное правительство предложило существенно сократить программу исследования Солнечной системы.

 

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